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Electrical Center Identification Views

Fig 1: Fuse Block - Underhood Label - Coupe (with LSA)
GM2539324Courtesy of GENERAL MOTORS CORP.
Fig 2: Fuse Block - Underhood Label - Sedan (without LSA)
GM2329477Courtesy of GENERAL MOTORS CORP.
Fig 3: Fuse Block - Underhood Label - Sedan (with LSA)
GM2329478Courtesy of GENERAL MOTORS CORP.
Fig 4: Fuse Block - Underhood Label - Wagon
GM2329479Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND

Fuse And Relay Description Rating Circuits
A/C CLTCH Fuse 10A A/C CMPRSR CLTCH Relay
ABS Fuse 30A Electronic Brake Control Module (EBCM)
ABS MTR Fuse 50A Electronic Brake Control Module (EBCM)
AFS Fuse 15A Headlamp Module
AIRBAG IGN Fuse 10A Inflatable Restraint Sensing and Diagnostic Module, Instrument Panel Cluster (IPC)
AWD Fuse (except LSA) 15A Transfer Case Shift Control Module
BCM 1 Fuse 10A Body Control Module (BCM)
BCM 2 Fuse 15A Body Control Module (BCM)
BCM 3 Fuse 10A Body Control Module (BCM)
BCM 4 Fuse 10A Body Control Module (BCM)
BCM 5 Fuse 10A Body Control Module (BCM)
BCM 6 Fuse (except LSA) 15A Body Control Module (BCM)
BCM 7 Fuse (except LSA) 10A Body Control Module (BCM)
BCM 6, BCM 7 Fuse (LSA) 10A Body Control Module (BCM)
BLWR Fuse 40A Blower Motor Control Processor
BRK VAC PUMP Fuse (except LSA) 20A Brake Booster Pump Relay
DISPLY Fuse 10A Instrument Panel Cluster (IPC)
DRL LT Fuse (LSA) 7.5A Daytime Running Lamp (DRL) Left, Daytime Running Lamp (DRL) Right
DRL RT Fuse 7.5A Daytime Running Lamp (DRL) Left, Daytime Running Lamp (DRL) Right
DRL/ENG PUMP Fuse (except LSA) 10A RT DRL (T4F) Relay, AFTER BOIL Relay
DRL WSW Fuse 10A DRL WSW Relay
ECM Fuse 10A Engine Control Module (ECM)
ECM/TCM IGN Fuse 15A Engine Control Module (ECM), Automatic Transmission, Transfer Case Shift Control Module, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
EMIS 1 Fuse 15A Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, Evaporative Emission (EVAP) Canister Purge Solenoid Valve, Intake Manifold Tuning (IMT) Solenoid Valve, Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Intake, Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Intake, Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Exhaust, Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Exhaust
EMIS 2 Fuse 15A Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2, Vehicle Speed Sensor (VSS)
EPB Fuse (LSA) - Electric Parking Brake Module
EVEN COILS Fuse 15A Fuel Injector 2, 4, 6, Ignition Coil 2, 4, 6
FAN 1 Fuse 30A FAN 1 Relay
FAN 2 Fuse 30A FAN 2 Relay
FRT FOG Fuse 15A Fog Lamp - Left Front, Fog Lamp - Right Front
HDM WASH Fuse 20A HEAD LAMP WASH Relay
HORN Fuse 15A HORN Relay
INCLR Fuse (LSA) 10A Charge Air Cooler Coolant Pump
LO BEAM DRL Fuse (except LSA) 15A/7.5A Daytime Running Lamp (DRL) - Left, Daytime Running Lamp (DRL) - Right
LT HI BEAM Fuse 10A Headlamp - Left High Beam, Headlamp - Left High Beam Solenoid
LT LO BEAM Fuse (except LSA) 10A Headlamp - Left Low Beam
LT LO BEAM Fuse 15A/20A Headlamp Ballast - Left (without T4F)
LTR Fuse 20A Cigar Lighter
MISC IGN Fuse 10A Tire Pressure Module
MRTD Fuse (LSA) - Electronic Suspension Control (ESC) Module
NAV MTR Fuse 10A Radio/HVAC Display
ODD COILS Fuse 15A Fuel Injector 1, 3, 5, Ignition Coil 1, 3, 5
PED PROT Fuse 10A Pedestrian Impact Detection Module
PTM Fuse (LSA) 15A Not Used
PWR MODING Fuse 2A Ignition Switch, Theft Deterrent Control Module
REAR DEFOG Fuse 50A REAR DEFOG Relay
RT HI BEAM Fuse 10A Headlamp - Right High Beam, Headlamp - Right High Beam Solenoid
RT LO BEAM Fuse (except LSA) 10A Headlamp - Right Low Beam (without T4F)
RT LO BEAM Fuse 20A Headlamp Ballast - Right
SPARE Fuse - Not Used
SPARE Fuse - Not Used
SPARE Fuse - Not Used
SPARE Fuse - Not Used
SPARE Fuse - Not Used
S/ROOF Fuse (LSA) 30A Sunroof Control Module, Sunroof Shade Module
STR/WHL/ILLUM Fuse 2A Inflatable Restraint Steering Wheel Module Coil
STRTR Fuse 40A STRTR Relay
T/C Fuse (LSA) 20A Not Used
TCM BATT Fuse 15A Automatic Transmission
TRANS OIL RLY Fuse (except LSA) 10A Not Used
TRANS PUMP Fuse (except LSA) 20A Not Used
WPR Fuse 30A WPR HI Relay, WPR Relay
WSW PUMP Fuse 10A WSW PUMP Relay
WSW/HTR Fuse 60A Windshield Washer Solvent Heater (XA7)
A/C CMPRSR CLTCH Relay - A/C Compressor Clutch
DRL (without T4F) LO BEAM (T4F) Relay - LT LO BEAM Fuse, RT LO BEAM Fuse
ENG PUMP Relay (except LSA) - LLT Engine
FAN 1 Relay - Engine Cooling Fan - Right
FAN 2 Relay - Engine Cooling Fan - Left
FAN S/P Relay - Engine Cooling Fan - Right
FOG LAMP Relay - FRT FOG Fuse
HEAD LAMP WASH Relay - Headlamp Washer Fluid Pump (CE4)
HI BEAM Relay - LT HI BEAM Fuse, RT HI BEAM Fuse
HORN Relay - Horn Assembly
IGN 1 Relay - MISC IGN Fuse, TRANS Fuse, IGN Fuse
LO BEAM (without T4F) LT DRL (T4F) Relay - LO BEAM DRL Fuse, LT LO BEAM Fuse, RT LO BEAM Fuse
PWR/TRN Powertrain Relay - EMIS 1, EMIS 2 Fuse, ECM Fuse, EVEN COILS Fuse, ODD COILS Fuse
REAR DEFOG Relay - Rear Window Defogger
RT DRL (T4F) Relay - DRL RT Fuse
SPARE Relay - Not Used
STARTER Relay - Starter Motor
WPR Wiper Relay - WPR HI Relay
WPR HI Wiper Relay - Windshield Wiper Motor
WSW PUMP Relay (except LSA) - Windshield Washer Fluid Pump
Fig 5: Fuse Block - Underhood Top View
GM2254802Courtesy of GENERAL MOTORS CORP.
Fig 6: Fuse Block - Underhood Bottom View
GM1822197Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuse Block - Underhood X1
GM1827035Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X1

Pin Wire Circuit Function
1 3 GY 532 Cooling Fan Motor Supply Voltage
2 - - Not Used
3 3 GY 532 Cooling Fan Motor Supply Voltage (LF1 or LLT)
4 3 GY 532 Cooling Fan Motor Supply Voltage (LF1 or LLT)
3 BK 250 Ground (LSA)
5 0.35 L-BU 5986 Serial Data Communication Enable (T4F or TR7)
6 0.5 OG 2140 Battery Positive Voltage (TR7 with T4F)
7 0.8 D-GN 1329 Horn Fuse Supply Voltage
8 0.35 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage/Right Turn Signal Indicator Lamp Supply Voltage
0.35 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage/Right Turn Signal Indicator Lamp Supply Voltage (T90)
9 0.35 D-BU 5364 Left DRL/Turn Supply Voltage (T4F without T94 or TB8))
0.5 GY 589 DRL Resistor Supply Voltage (without T4F)
10 0.35 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage/Left Turn Signal Indicator Lamp Supply Voltage
0.35 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage/Left Turn Signal Indicator Lamp Supply Voltage (T90)
11-13 - - Not Used
14 0.5 TN/WH 312 Right Headlamp Low Beam Supply Voltage (without T4F)
15 0.5 PU 34 Fog Lamps Supply Voltage 2 (T3U)
16 0.35 D-GN 5365 Right DRL/Turn Supply Voltage (T4F without T94 or TB8))
17 0.5 YE 712 Left Headlamp Low Beam Supply Voltage (without T4F)
18 0.35 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
19 - - Not Used
20 0.35 D-GN/WH 711 Left Headlamp High Beam Supply Voltage (T4F)
21 1 TN/WH 312 Right Headlamp Low Beam Supply Voltage (T4F)
22 1 YE 712 Left Headlamp Low Beam Supply Voltage (T4F)
0.5 GY 589 DRL Resistor Supply Voltage (without T4F and LSA)
23 0.5 PU 34 Fog Lamps Supply Voltage 2 (T3U)
24 - - Not Used
25 0.5 BK 250 Ground
26-28 - - Not Used
29 3 WH 504 Cooling Fan Low Reference (LSA)
3 YE 5358 Auxiliary Cooling Fan Motor Supply Voltage (LF1 or LLT)
30-31 - - Not Used
32 3 L-BU 409 Cooling Fan Motor Supply Voltage
Connector Part Information 
  • Harness Type: Forward Lamp
  • OEM Connector: 7283-9458-30
  • Service Connector: 19153183
  • Description: 32-Way F YESC Kaizen Series (BK)
Terminal Part Information 
  • Pins: 1, 3, 4, 29, 32
  • Terminated Lead: 13575835
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: A/B
  • Pins: 5, 6, 8, 9, 10, 14, 15-18, 20, 22 (without T4F), 23, 25
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: E/C
  • Pins: 7, 21, 22 (T4F)
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: E/A
Fig 8: Fuse Block - Underhood X2
GM1827034Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X2

Pin Wire Circuit Function
1-4 - - Not Used
5 3 RD/BK 242 Electric Parking Brake Supply Voltage
6 - - Not Used
7 3 RD/BK 642 Battery Positive Voltage
8 5 PU 293 Rear Defog Element Supply Voltage
9 3 RD/WH 5340 Battery Positive Voltage (F55)
10-12 - - Not Used
13 0.5 OG 228 Windshield Washer Pump Control
14 1 D-GN 1301 Retained Accessory Power Fuse Supply Voltage
15 0.5 PK 1739 Battery Positive Voltage
16 0.5 PK 339 Battery Positive Voltage
0.5 PK 339 Battery Positive Voltage (MX7)
17 0.50 PU 1197 Headlamp Washer Pump Control (CE4)
18 0.35 PK 539 Ignition 1 Voltage (WXS)
19 0.35 PK 639 Run/Crank Ignition 1 Voltage (U2R or U2S or U2T without UVC, or UAV or U2X or U2Y
20 0.35 D-BU 5985 Accessory Wakeup Serial Data
21-22 - - Not Used
23 0.35 PK 539 Ignition 1 Voltage (UA2 or KB6)
24 0.35 RD/WH 1940 Battery Positive Voltage
25 - - Not Used
26 0.35 D-GN 801 Retained Accessory Power Fuse Supply Voltage
27 0.35 D-BU 545 DRL Supply Voltage (T4F without T94 or TB8)
0.35 D-GN 319 Right Rear Trailer Stop/Turn Lamp Supply Voltage (V2S)
28 1 YE 5187 Right Trailer Turn Signal Lamp (V2S)
29 0.35 PU 544 Headlamp Low Beam Supply Voltage (T4F without T94 or TB8)
0.35 PK/WH 1970 Headlamp Low Beam Relay Control (without T4F)
0.35 YE 318 Left Rear Trailer Stop/Turn Lamp Control (V2S)
30 0.35 OG 2268 Windshield Washer Relay Control
31 0.8 RD/WH 1840 Battery Positive Voltage
32 0.35 L-BU 5986 Serial Data Communication Enable
33 - - Not Used
34 0.35 TN 860 Front Windshield Wiper Switch High Signal
35-37 - - Not Used
38 0.35 WH 2282 Headlamp Washer Relay Control (CE4)
39 1 OG 5186 Left Trailer Turn Signal Lamp (V2S)
40 0.35 RD/WH 540 Battery Positive Voltage
41 0.35 WH 193 Rear Defog Relay Control
42 - - Not Used
43 0.35 WH 17 Stop Lamp Supply Voltage
44 0.35 PK 139 Ignition 1 Voltage
45 0.35 D-GN/WH 1317 Fog Lamp Relay Control (T3U)
46 1 BK 650 Ground (LSA)
47 0.35 YE 6817 LED Backlight Dimming Control
48 0.35 GY 91 Windshield Wiper Switch Signal 2
49-51 - - Not Used
52 0.35 TN/WH 1969 Headlamp Relay Control
53 - - Not Used
54 0.8 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
55-56 - - Not Used
57 0.35 RD/WH 540 Battery Positive Voltage
0.35 RD/WH 540 Battery Positive Voltage
58 0.8 RD/WH 1140 Battery Positive Voltage
59 0.35 PK 639 Run/Crank Ignition 1 Voltage (UVC or LHD with K14)
60-61 - - Not Used
62 0.35 PU/WH 7005 LED Dimming Signal
63-64 - - Not Used
65 0.35 D-BU 5985 Accessory Wakeup Serial Data (MX7)
66 - - Not Used
67 0.35 PU 544 Headlamp Low Beam Supply Voltage (without T4F)
0.35 PK/WH 1970 Headlamp Relay Control (T4F)
68 0.8 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
69 - - Not Used
70 0.35 TN 28 Horn Relay Control
71 - - Not Used
72 0.8 RD/WH 1540 Battery Positive Voltage
73 3 RD/WH 3240 Battery Positive Voltage (LSA with C3U or CBF)
74 2 PU 92 Windshield Wiper Motor High Speed
75 0.5 RD/WH 2740 Battery Positive Voltage (B3T)
76 0.8 RD/WH 1340 Battery Positive Voltage
77 - - Not Used
78 0.8 RD/WH 1240 Battery Positive Voltage
79-80 - - Not Used
81 0.5 RD/WH 2240 Battery Positive Voltage
82 0.8 RD/WH 1440 Battery Positive Voltage
83 2 D-GN 95 Windshield Washer Switch Signal
84 1 RD/WH 2640 Battery Positive Voltage (MX7)
Connector Part Information 
  • Harness Type: I/P
  • OEM Connector: 7283-9464-3W
  • Service Connector: 19153184
  • Description: 84-Way F YESC Kaizen Series (BK)
Terminal Part Information 
  • Pins: 5, 7, 9, 8
  • Terminated Lead: 13575835
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4122-02/10
  • Pins 5, 7, 9 - Core/Insulation Crimp: A/B
  • Pins 8 - Core/Insulation Crimp: D/G
  • Pins: 13, 14, 81, 84
  • Terminated Lead: 13575838
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: Pins 13, 81 - J-35616-4A (PU)
  • Diagnostic Test Probe: Pins 14, 84 - J-35616-35 (VT)
  • Terminal/Tray: 7116-4110-02/9
  • Core/Insulation Crimp:Pins 13, 81 - E/C

    Core/Insulation Crimp: Pins 14, 84 - C/A

  • Pins: 15-20, 23, 24, 26-32, 34, 38-41, 43-48, 52,54, 57-59, 62, 65, 67, 68, 70
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: Pins 15-20, 24, 26, 27, 29, 30, 32, 34, 38, 40, 41, 43, 44, 45, 47, 48, 52, 59, 62, 65, 67, 70 - E/C
  • Core/Insulation Crimp: Pins 23, 28, 31, 39, 46, 54, 57, 58, 68 - E/A
  • Pins: 72, 73, 82, 84
  • Terminated Lead: 13575838
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4111-02/9
  • Core/Insulation Crimp: E/A
  • Pins: 74, 83
  • Terminated Lead: 13575839
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: C/D
  • Pins: 75, 76, 78, 80
  • Terminated Lead: 13575833
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4120-02/9
  • Core/Insulation Crimp: Pins 75 - E/A
  • Core/Insulation Crimp: Pins 76, 78, 80 - E/B
Fig 9: Fuse Block - Underhood X3
GM1827033Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X3

Pin Wire Circuit Function
1 0.35 L-BU 5986 Serial Data Wakeup
2 - - Not Used
3 0.5 D-BU 473 High Speed Cooling Fan Relay Control
4 - - Not Used
5 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control
6 - - Not Used
7 0.8 RD/WH 440 Battery Positive Voltage (MYA or MYB or MYD)
8 5 RD/BK 42 Battery Positive Voltage
9 3 PU 6 Starter Solenoid Crank Voltage
10-12 - - Not Used
13 0.5 PK 339 Ignition 1 Voltage
0.5 PK 339 Ignition 1 Voltage (MYA or MYB or MYD)
14-19 - - Not Used
20 2 RD/WH 240 Battery Positive Voltage
21-22 - - Not Used
23 1 PK/BK 5293 Powertrain Main Relay Fused Supply
24 0.5 PK 339 Run/Crank Ignition 1 Voltage (LLT)
25 0.5 YE 447 Starter Relay Coil Control
26 0.5 D-BU 5985 Accessory Wakeup Serial Data
27 - - Not Used
28 0.8 PK/BK 5294 Battery Positive Voltage (LSA or LLT with MV7)
0.5 PK/BK 5294 Battery Positive Voltage (LSA or LLT with MYB)
29 1 BK 650 Ground (LSA)
30 0.5 GY 5295 Ignition 1 Voltage (MV7)
0.5 GY 5295 Ignition 1 Voltage (LF1 or LLT)
31 - - Not Used
32 0.5 RD/WH 5540 Battery Positive Voltage (LSA)
33 0.5 D-GN 59 A/C Compressor Clutch Supply Voltage
34 0.5 WH 17 Stop Lamp Supply Voltage
35 - - Not Used
36 1 PK/BK 5291 Ignition 1 Voltage (LF1 or LLT)
1 PK/BK 5290 Ignition 1 Voltage (LSA)
37 - - Not Used
38 0.35 D-BU 5985 Accessory Wakeup Serial Data (without MN6)
39 - - Not Used
40 0.5 PK/BK 5294 Battery Positive Voltage
41 0.5 D-GN 335 Low Speed Cooling Fan Relay Control
42 0.5 BN 5069 Main Relay Control
43-45 - - Not Used
46 1 BK 1150 Ground (LF1 or LLT)
650 Ground (LSA)
47 1 PK/BK 5292 Ignition 1 Voltage
48 - - Not Used
49 0.35 L-BU 5986 Serial Data Communication Enable (MG9)
50 - - Not Used
51 1 PK/BK 5290 Ignition 1 Voltage (LF1 or LLT)
51 1 PK/BK 5291 Ignition 1 Voltage (LSA)
52-53 - - Not Used
54 1 RD/WH 3640 Battery Positive Voltage (LF1 or LLT)
Fuse Block - Underhood X4 (To Starter/Generator)

Pin Wire Circuit Function
+ 50 RD 1 Battery Positive Voltage
19 RD 1 Battery Positive Voltage
Fuse Block - Underhood X4 (To Battery)

Pin Wire Circuit Function
+ 40 RD 1 Battery Positive Voltage
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 7283-9457-3W
  • Service Connector: 19153182
  • Description: 54-Way F YESC Kaizen Series (BK)
Terminal Part Information 
  • Pins: 1, 3, 5, 7, 13,23-26, 28-30, 32, 33, 34, 36, 38, 40-42, 45-47, 49, 51 (LSA)
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: Pins 1, 3, 5, 13, 24, 25, 26, 30, 32, 33, 34, 38, 41, 42, 45, 49 - E/C
  • Core/Insulation Crimp: Pins 7, 23, 28, 29, 36, 40 (LSA), 46, 47, 51 (LSA) - E/A
  • Pins: 8
  • Terminated Lead: 13575835
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: Pins 8 - D/G
  • Core/Insulation Crimp: Pins 9 - A/B
  • Pins: 20
  • Terminated Lead: 13575839
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: C/D
  • Pins: 40 (without LSA)
  • Terminated Lead: 13575829
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: Not Available
  • Pins: 51 (without LSA)
  • Terminated Lead: 13578892
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: C/A
  • Pins: 54
  • Terminated Lead: 13578927
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-22 (RD)
  • Terminal/Tray: 7116-3250/10
  • Core/Insulation Crimp: G/3
Terminal Part Information 
  • Harness Type: Engine Harness
  • Terminal: 7003611702
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal
Terminal Part Information 
  • Harness Type: Body Harness
  • Terminal: 7003-6115-02
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal
Fig 10: Fuse Block - Underhood Label - Coupe (with LSA)
GM2539324Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuse Block - Rear Label (LSA)
GM2201613Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - REAR FUSE AND RELAY IDENTIFICATION LEGEND

Refer to FUSE BLOCK - REAR FUSE AND RELAY IDENTIFICATION LEGEND 
Fig 12: Fuse Block - Rear Label (Except LSA)
GM1985894Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - REAR FUSE AND RELAY IDENTIFICATION LEGEND

Fuse And Relay Description Rating Circuits
LF/FRT/PWR/SEAT Circuit Breaker 25A Memory Seat Module (MSM), Seat Adjuster Switch - Driver
PWR/CLMN Circuit Breaker 25A Memory Seat Module (MSM)
PWR/WNDW Circuit Breaker 25A Window Motor - Driver, Window Motor - Passenger
RT/FRT/PWR/SEAT Circuit Breaker 25A Seat Adjuster Switch - Passenger, Seat Lumbar Adjuster Switch - Passenger
AIRBAG Fuse 10A Inflatable Restraint Sensing and Diagnostic Module, Inflatable Restraint Front Passenger Presence System (PPS) Sensor
AMP Fuse 30A Audio Amplifier
AUX/OUTLET Fuse 20A Accessory Power Outlet - Center Console, Accessory Power Outlet - Rear
CNSTR/VENT Fuse 10A Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
DR/LCK Fuse 15A LCK Relay, SPARE Relay, UNLCK Relay
ECM Fuse 15A Engine Control Module (ECM)
FUEL/PUMP Fuse 20A FUEL/PUMP Relay
FSCM Fuse (LSA) 30A Fuel Pump Flow Control Module
LT/POS/LP Fuse 10A Marker Lamp - Left Front, Park Lamp - Left Front, Tail Lamp - Left, Park Lamp Relay
LT/REAR/WNDW Fuse 15A Window Switch - Left Rear
MSM Fuse 10A Memory Seat Module (MSM), Rear Object Sensor Control Module
ONSTAR Fuse 10A Vehicle Communication Interface Module (VCIM), Television Antenna Module
PDM Fuse 15A Door Lock/Window Switch - Passenger
RDO Fuse 15A Radio, Radio/HVAC Control, Radio/HVAC Display
RDO/SPKR Fuse 15A Speaker - Rear Subwoofer
REAR/FOG Fuse 10A REARFOG Relay
REAR/WNDW Fuse 15A Window Switch - Right Rear
RKE/PASS-KEY/MDL Fuse 10A Remote Control Door Lock Receiver (RCDLR), Tire Pressure Module
RT/POS/LP Fuse 10A RT/POS/LP Relay
RT/POS/LP Fuse 10A Marker Lamp - Right Front, Park Lamp - Right Front, License Lamp - Left, License Lamp - Right
RVC/SNSR Fuse 10A Body Control Module (BCM)
S/ROOF Fuse (except LSA) 30A Sunroof Control Module, Sunroof Shade Module
SPARE Fuse - Not Used
SPARE Fuse - Not Used
STOP/LP Fuse 10A STOP/LP Relay
THEFT/UGDO Fuse 10A Theft Deterrent Alarm Siren, Intrusion Sensor, Garage Door Opener (GDO) (UG1), Vehicle Inclination Sensor (UA2), Theft Deterrent Alarm
TRUNK/RELSE Fuse 15A TRUNK/RELSE Relay
FUEL/DR/RELSE Relay - Fuel Door Release Actuator (N08)
FUEL/PUMP Relay - Fuel Pump
LCK Relay - Theft Deterrent Alarm
LT/POS/LP Relay - LT/POS/LP Fuse, RT/POS/LP Fuse
REARFOG Relay - Fog Lamp - Left Rear, Fog Lamp - Right Rear
RT/POS/LP Relay - Marker Lamp - Right Front, Park Lamp - Right Front, License Lamp - Left, License Lamp - Right
STOP/LP Relay - Tail Lamp - Left, Tail Lamp - Right
TRUNK/RELSE Relay - Rear Compartment Lid Latch
UNLCK Relay - Door Latch - Left Rear, Door Latch - Right Rear
Fig 13: Fuse Block - Rear Label
GM2637123Courtesy of GENERAL MOTORS COMPANY
FUSE BLOCK - REAR FUSE AND RELAY IDENTIFICATION LEGEND

No. Fuse And Relay Description Rating Circuits
1 DRV PWR SEAT Circuit Breaker 25A Memory Seat Module (MSM), Seat Adjuster Switch - Driver
2 PASS PWR SEAT Circuit Breaker 25A Seat Adjuster Switch - Passenger, Seat Lumbar Adjuster Switch - Passenger
3 PWR/WNDW Circuit Breaker 25A Window Motor - Driver, Window Motor - Passenger
4 PWR/CLMN Circuit Breaker 25A Memory Seat Module (MSM)
5 STOP/LP Relay - Tail Lamp - Left, Tail Lamp - Right
6 LCK Relay - Auxiliary Body Control Module (UA2), Door Latch - Left Rear, Door Latch - Right Rear
7 UNLCK Relay - Door Latch - Left Rear, Door Latch - Right Rear
8 FUEL/DR/RELSE Relay - Fuel Door Release Actuator (N08)
9 RT/POS/LP Relay (T90) - RT/TRL/POS/LP Fuse (V2S), MRKR/LP Relay, Marker Lamp - Right Front, Park Lamp - Right Front, Tail Lamp - Right
10 CONSOLE APO Relay - Accessory Power Outlet - Center Console Compartment
11 TRUNK/RELEASE Relay - Rear Compartment Lid Latch
12 MRKR/LP Relay (T90) - License Lamp - Left, License Lamp - Right
13 LT/POS/LP Relay - LT/POS/LP Fuse, RT/POS/LP Fuse (V2S/-T90), MRKR/LP Relay (T90)
14 RT/POS/LP Fuse (V2S/-T90) 10A Marker Lamp - Right Front, Park Lamp - Right Front, Tail Lamp - Right
15 LT/POS/LP Fuse 10A Marker Lamp - Left Front, Park Lamp - Left Front, Tail Lamp - Left, License Lamp - Left (-T90), License Lamp - Right (-T90)
16 DR/LCK Fuse 15A FUEL/DR/RELSE Relay, LCK Relay, UNLCK Relay, Door Lock/Window Switch - Driver
17 CONSOLE APO Fuse 20A CONSOLE APO Relay
18 REAR FOG/XBCM Fuse 15A Rear Fog Lamp Relay (T79), Auxiliary Body Control Module
19 TRUNK RELEASE Fuse (Coupe/Sedan) 15A TRUNK/RELEASE Relay
REAR WIPER Fuse (Wagon) Rear Wiper Motor
20 EASY ENTRY Fuse (Coupe) 2A Rear Seat Easy Entry Switch - Driver, Rear Seat Easy Entry Switch - Passenger
WASH PUMP Fuse (Wagon) 10A Windshield Washer Pump Relay, Rear Window Washer Pump Relay
21 S/ROOF Fuse (LFW/LFX) 30A Sunroof Control Module, Sunroof Shade Module
FSCM Fuse (LSA) Fuel Pump Flow Control Module
22 RT/POS/LP Fuse (T90) 10A RT/POS/LP Relay
23 RVC Fuse 2A Body Control Module (BCM)
24 RDO Fuse 15A Radio, Radio/HVAC Control, Radio/HVAC Display
25 AIRBAG Fuse 10A Inflatable Restraint Sensing and Diagnostic Module, Inflatable Restraint Front Passenger Presence System (PPS) Sensor
26 RKE/PASS-KEY/MDL Fuse 10A Remote Control Door Lock Receiver (RCDLR)
27 RDO/SPKR Fuse 15A Speaker - Rear Subwoofer
28 ONSTAR Fuse 10A Vehicle Communication Interface Module (VCIM), Television Antenna Module
29 ECM Fuse 15A Engine Control Module (ECM)
30 CNSTR/VENT Fuse 10A Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
31 DIFF PUMP Fuse (LSA) 20A Differential Cooler Pump Relay 1
FSCM Fuse (LFW/LFX) Fuel Pump Flow Control Module
32 LT/REAR/WNDW Circuit Breaker 15A Window Switch - Left Rear
33 STOP/LP Fuse 10A STOP/LP Relay
34 THEFT/UGDO Fuse 10A Theft Deterrent Alarm Siren, Intrusion Sensor, Garage Door Opener (GDO) (UG1), Vehicle Inclination Sensor (UA2), Theft Deterrent Alarm
35 MSM/RPA/LGM Fuse 7.5A Memory Seat Module (MSM), Rear Object Sensor Control Module, Liftgate Module (Wagon)
36 PDM Fuse 15A Door Lock/Window Switch - Passenger
37 REAR/WNDW Circuit Breaker 15A Window Switch - Right Rear
38 AUX/OUTLET Fuse (Wagon) 20A Accessory Power Outlet - Center Console, Accessory Power Outlet - Rear
SBZA Fuse (Coupe with UFT) 10A Side Object Sensor - Left, Side Object Sensor - Right
39 AMP Fuse 30A Audio Amplifier
Fig 14: Fuse Block - Rear Top View
GM1986129Courtesy of GENERAL MOTORS CORP.
Fig 15: Fuse Block - Rear Bottom View
GM1986131Courtesy of GENERAL MOTORS CORP.
Fig 16: Fuse Block - Rear X1 Connector End View
GM1856803Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X1

Pin Wire Circuit Function
1 - - Not Used
2 3 RD/BK 1042 Battery Positive Voltage
3 3 RD/WH 3240 Battery Positive Voltage (LP1 or LY7 or LLT)
3 RD/WH 2840 Battery Positive Voltage (LSA)
4 - - Not Used
5 5 RD 1 Battery Positive Voltage
6 5 RD 1 Battery Positive Voltage
7 - - Not Used
8 2 RD/WH 4340 Battery Positive Voltage
9 2 RD/WH 4340 Battery Positive Voltage
10 - - Not Used
11 0.5 BN/WH 309 Park Lamp Supply Voltage (T90)
0.8 BN/WH 309 Park Lamp Supply Voltage (V2S)
12 1 GY 295 Door Lock Actuator Lock Control (Coupe with N08 without UTT, Sedan or Wagon without N08)
1 GY 295 Door Lock Actuator Lock Control (Sedan or Wagon without N08 or UTT)
2 GY 5911 Door Lock Actuator Lock Control 2 (UTT)
13 1 RD/WH 4240 Battery Positive Voltage
14-16 - - Not Used
17 0.35 RD/WH 140 Battery Positive Voltage
18 - - Not Used
19 0.8 RD/WH 5040 Battery Positive Voltage (Wagon)
20 0.5 L-BU 1320 CHMSL Supply Voltage (T90)
21 0.8 L-BU 20 Stop Lamp Supply Voltage (V2S)
22 0.35 YE 1977 Rear Fog Lamp Relay Control (Coupe with T79)
0.35 TN 6188 Trunk Motor Release Control (Sedan)
23 0.35 RD/WH 4540 Battery Positive Voltage (UTR or UTT or UTU or UTV or V2S)
24 - - Not Used
25 1 RD/WH 5140 Battery Positive Voltage (Coupe or Wagon)
26 1 RD/WH 1040 Battery Positive Voltage
27 1 RD/WH 1701 Battery Positive Voltage
28 1 BK 1050 Ground
29 1 RD/WH 4440 Battery Positive Voltage (UQS)
30 - - Not Used
31 1 RD/WH 3340 VCIM Power Supply (UE1)
32 - - Not Used
33 0.5 RD/WH 5040 Battery Positive Voltage (Coupe or Wagon)
34 0.5 L-BU 1320 CHMSL Supply Voltage (T90)
35 0.35 L-BU 20 Stop Lamp Supply Voltage (T90)
0.35 L-BU 20 Stop Lamp Supply Voltage (T90)
36 0.35 WH 93 Fuel Door Release Relay Control (N08)
37 0.35 RD/WH 4540 Battery Positive Voltage (UTU)
38 - - Not Used
39 0.5 BN 2209 Rear Park Lamp Supply Voltage (T90)
40-44 - - Not Used
45 1 RD/WH 3040 Battery Positive Voltage (V2S)
46 0.5 BN/WH 309 Right Park Lamp Supply Voltage (T90)
47 - - Not Used
48 0.35 WH 1080 Park Lamp Relay Control (T90)
49 0.35 RD/WH 3140 Battery Positive Voltage (A45 or Coupe)
50 0.35 D-BU 45 Park Lamp Relay Control
51 0.35 RD/WH 4540 Battery Positive Voltage (U2R or U2S or U2T with UVC, UG1 or UTV)
52 2.0 RD/WH 2840 Fuel Pump Flow Control Module Supply Voltage (LF1/LLT)
1.0 RD/WH 2840 Fuel Pump Flow Control Module Supply Voltage (LSA)
53 1 PK 79 Fuel Door Release Solenoid Supply Voltage (N08)
54 1 TN 294 Door Lock Actuator Unlock Control (Sedan or Wagon with UTT)
55 0.5 RD/WH 3040 Battery Positive Voltage (Coupe with T79)
56-59 - - Not Used
60 0.35 BN/WH 309 Right Park Lamp Supply Voltage (T90)
0.5 BN/WH 309 Right Park Lamp Supply Voltage (T90)
61 0.35 D-GN 801 Retained Accessory Power Fuse Supply Voltage
0.35 D-GN 801 Retained Accessory Power Fuse Supply Voltage (Sedan with C3U)
62 0.5 OG 122 Rear Fog Lamp Supply Voltage (Coupe with T79)
0.5 TN/WH 56 Trunk Release Motor Supply Voltage (Sedan)
63 0.35 RD/WH 3140 Battery Positive Voltage (UD7)
64 0.35 BN/WH 309 Right Park Lamp Supply Voltage (without T90)
0.5 BN/WH 309 Right Park Lamp Supply Voltage (without T90)
0.8 BN 2509 Left Rear Park Lamp Supply Voltage (Wagon with V2S)
65 0.35 RD/WH 4540 Battery Positive Voltage (UTR)
66-68 - - Not Used
69 0.35 BK 1050 Ground (Wagon with T90 or Coupe or Sedan)
0.35 BK 1050 Ground (Coupe)
70-75 - - Not Used
76 5 RD 1 Battery Positive Voltage
77 3 RD/WH 3840 Battery Positive Voltage
78 3 RD/WH 3940 Battery Positive Voltage (AH8)
79 2 RD/WH 3740 Battery Positive Voltage (A45 with N38)
80-84 - - Not Used
Connector Part Information 
  • Harness Type: Body
  • OEM Connector: 7283-9456-3W
  • Service Connector: 19153188
  • Description: 84-Way F YESC Kaizen Series (BK)
Terminal Part Information 
  • Pins: 2, 3, 12 (UTT)
  • Terminated Lead: SEALED: 13578925 UNSEALED: 13575832
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: C/D
  • Pins: 5, 6, 76-78
  • Terminated Lead: 13575835
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: Pins 5, 6, 76 - D/G
  • Core/Insulation Crimp: Pins 77, 78 - A/B
  • Pins: 8, 9, 79
  • Terminated Lead: 13578928
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4121-02/10
  • Core/Insulation Crimp: C/B
  • Pins: 11
  • Terminated Lead: 13575839
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: Not Available
  • Pins: 12 (without UTT)
  • Terminated Lead: 13575832
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: Not Available
  • Pins: 13
  • Terminated Lead: 13575838
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4111-02/9
  • Core/Insulation Crimp: C/A
  • Pins: 17- 20, 22, 23, 25, 27-29, 31, 33, 34, 36, 37, 39, 42, 46, 48-55, 60-65, 69
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: Pins 17, 20, 22, 23, 27, 33, 34, 36, 37, 39, 46, 48-51, 55, 61, 62, 63, 65, 69 - E/C
  • Core/Insulation Crimp: Pins 18, 19, 25, 28, 29, 31, 42, 52-54, 60, 64 - E/A
  • Pins: 26, 29, 52
  • Terminated Lead: 13578892
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: C/A
Fig 17: Fuse Block - Rear X2 Connector End View
GM1483276Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X2

Pin Wire Circuit Function
1 - - Not Used
2 0.5 RD/WH 2940 Battery Positive Voltage
3-5 - - Not Used
6 0.8 RD/WH 4040 Battery Positive Voltage
7 - - Not Used
8 0.35 RD/WH 1740 Battery Positive Voltage
9 - - Not Used
10 1 RD/WH 4640 Battery Positive Voltage (Sedan or Wagon)
11-13 - - Not Used
14 0.35 RD/WH 3440 Battery Positive Voltage (ATG or ATH or BTM)
15 2 RD/WH 1640 Battery Positive Voltage (Wagon)
16 0.35 RD/WH 1740 Battery Positive Voltage
Connector Part Information 
  • Harness Type: Body
  • OEM Connector: 7283-6456-90
  • Service Connector: 88952778
  • Description: 16-Way F Kaizen YESC Series (BU)
Terminal Part Information 
  • Pins: 2, 8, 14, 16
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: E/C
  • Pins: 6, 10
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: E/A
  • Pins: 15
  • Terminated Lead: 13578892
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: C/A
Fig 18: Fuse Block - Rear X4 Connector End View
GM1856789Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X4

Pin Wire Circuit Function
1 0.5 PU 709 Left Park Lamp Supply Voltage (without T90)
0.8 PU 709 Left Park Lamp Supply Voltage (V3S)
2 - - Not Used
3 1 RD/WH 4740 Battery Positive Voltage (Sedan or Wagon)
4 - - Not Used
5 0.35 L-GN 1391 Left Front Door Lock Relay Control (Sedan or Wagon with UTT or N08)
6 - - Not Used
7 0.35 PU 709 Left Park Lamp Supply Voltage
0.5 PU 709 Left Park Lamp Supply Voltage
8 - - Not Used
9 0.35 L-BU 5921 Driver Door Unlock Relay Control (Sedan or Wagon with UTT)
10 - - Not Used
11 1 RD/WH 340 Battery Positive Voltage
12 - - Not Used
Connector Part Information 
  • Harness Type: Body
  • OEM Connector: 7283-3442-40
  • Service Connector: 89046712
  • Description: 12-Way F YESC Kaizen Series (L-GY)
Terminal Part Information 
  • Pins: 1
  • Terminated Lead: 13575829
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: E/A
  • Pins: 3, 5, 7, 9, 11
  • Terminated Lead: 13575850
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: E/A
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