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Electrical Center Identification Views

Fig 1: Fuse Block - Underhood Label
GM1906371Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD LABEL FUSE AND RELAY IDENTIFICATION LEGEND

No. Fuse And Relay Description Rating Circuits
1 ECM/CRNK Fuse 15A Engine Control Module (ECM) (LD8), Throttle Actuator Control (TAC) Module, STRTR Relay 30 (LZ9/LGD)
2 FUEL INJ ODD Fuse 15A Fuel Injector 1, 3, 5, 7, Ignition Coil/Module 1, 3, 5, 7 (LD8), Fuel Injector 1, 2, 3, 4, 5, 6 (LZ9/LGD)
3 FUEL INJ EVEN Fuse 15A Fuel Injector 2, 4, 6, 8, Ignition Coil/Module 2, 4, 6, 8 (LD8), Ignition Control Module (ICM) (LZ9/LGD)
4 A/C CLTCH Fuse 10A A/C CLTCH Relay 34
5 AIR SOL Fuse 15A AIR SOL Relay 35
6 OXY SNSR Fuse 15A Heated Oxygen Sensor (HO2S) 2, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
7 EMIS DEV Fuse 15A Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (LD8), Evaporative Emission (EVAP) Canister Purge Solenoid Valve, Heated Oxygen Sensor 1 (HO2S) (LZ9/LGD)
8 TRANS/IGN 1 Fuse 10A Transmission Control Module (TCM), Automatic Transmission
9 ECM/PCM Fuse 10A Engine Control Module (ECM)
10 HVAC/IPC IGN1 Fuse 10A HVAC Control Module, Instrument Panel Cluster (IPC), Recirculation Actuator (C67)
11 AIRBAG Fuse 10A Inflatable Restraint I/P Module Indicator, Inflatable Restraint Sensing and Diagnostic Module (SDM)
12 HORN Fuse 15A Horn Assembly
13 WPR Fuse 25A WPR PCB Relay, WPR HI PCB Relay
14 FOG LP Fuse 10A Fog Lamp - Left Front, Fog Lamp - Right Front
15 RT HI BEAM Fuse 10A Headlamp Assembly - Right Front
16 LT HI BEAM Fuse 10A Headlamp Assembly - Left Front
17 LT LO BEAM Fuse 20A Headlamp Assembly - Left Front
18 RT LO BEAM Fuse 20A Headlamp Assembly - Right Front
19 WSW MTR Fuse 15A Windshield Washer Fluid Pump
20 LF CRN LAMP Fuse 10A Cornering Lamp - Left Front
21 RF CRN LAMP Fuse 10A Cornering Lamp - Right Front
22 AIR PUMP Fuse 50A AIR PUMP Relay 37
23 ABS Fuse 50A Electronic Brake Control Module (EBCM)
24 STRTR Fuse 40A Starter Motor
25 ABS MTR Fuse 60A Electronic Brake Control Module (EBCM)
26 FAN 2 Fuse 30A FAN 2 Relay 31
27 FAN 1 Fuse 30A FAN 1 Relay 33
28 WSW/HTR Fuse 60A Windshield Washer Solvent Heater
29 PWR/TRN Powertrain Relay - ECM/CRNK Fuse 1, FUEL INJ ODD Fuse 2, FUEL INJ EVEN Fuse 3, OXY SNSR Fuse 6, EMIS DEV Fuse 7
30 STARTER Relay - STRTR Fuse 24
31 FAN 2 Relay - Cooling Fan - Right
32 FAN 3 Relay - Cooling Fan - Right
33 FAN 1 Relay - Cooling Fan - Left
34 A/C CLTCH Relay - A/C Compressor Clutch
35 AIR SOL Relay - Secondary Air Injection (AIR) Check Valve
36 IGN Relay - TRANS/IGN 1 Fuse 8, ECM/PCM Fuse 9, HVAC/IPC IGN1 Fuse 10, AIRBAG Fuse 11
37 AIR PUMP Relay - Secondary Air Injection (AIR) Pump
Printed Circuit Board (PCB) Relays - Not Serviceable
- HORN PCB Relay - HORN Fuse 12
- TRN/SIG PCB Relay - LF CRN LAMP Fuse 20
- TRN/SIG PCB Relay - RF CRN LAMP Fuse 21
- FOG LAMP PCB Relay - FOG LP Fuse 14
- HIGH/BEAM PCB Relay - LT HIGH BEAM Fuse 16, RT HIGH BEAM Fuse 15
- LO/BEAM PCB Relay - LT LO BEAM Fuse 17, RT LO BEAM Fuse 18
- WSH PCB Relay - WSW MTR Fuse 19
- WPR PCB Wiper Relay - Windshield Wiper Motor
- WPR HI PCB Wiper Relay - Windshield Wiper Motor
Fig 2: Fuse Block - Underhood Top View
GM1906391Courtesy of GENERAL MOTORS CORP.
Fig 3: Fuse Block - Underhood Bottom View
GM1906402Courtesy of GENERAL MOTORS CORP.
Fig 4: Fuse Block - Underhood X1
GM1876012Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X1

Pin Wire Circuit Function
A1-A6 - - Not Used
B1 3 GY 532 Cooling Fan Motor Supply Voltage
B2 3 L-BU 409 Cooling Fan Motor Supply Voltage
B3 3 WH 504 Cooling Fan Low Reference
C1-C4 - - Not Used
C5 0.5 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
C6 0.5 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
D1 3 BK 250 Ground
D2 0.8 D-GN 29 Horn Control
E1-E3 - - Not Used
F1 - - Not Used
F2 0.5 PU 34 Front Fog Lamp Supply Voltage (T96)
F3 1 BK/WH 250 Ground
G1 - - Not Used
G2 0.5 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
H1-H3 - - Not Used
H4 0.5 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
H5-H6 - - Not Used
J1 3 YE 712 Left Headlamp Low Beam Supply Voltage
J2 3 TN/WH 312 Right Headlamp Low Beam Supply Voltage
J3 0.5 OG 228 Windshield Washer Pump Control
K1-K4 - - Not Used
K5 0.5 OG 57 Left Cornering Lamp Supply Voltage
K6 0.5 TN 58 Right Cornering Lamp Supply Voltage
Connector Part Information 
  • Harness: Forward Lamp
  • OEM: 13528108
  • Service: 88988654
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (L-GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 5: Fuse Block - Underhood X2
GM1876011Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X2

Pin Wire Circuit Function
A1 0.5 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
A2 0.35 OG/YE 5727 High Speed GMLAN Serial Data Wake Up
A3 0.35 PK 1439 Ignition 1 Voltage
A4-A6 - - Not Used
B1 0.5 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
B2 0.35 PK 339 Ignition 1 Voltage
B3 0.35 PK/RD 239 Ignition 1 Voltage
0.5 PK 239 Ignition 1 Voltage
C1 0.35 TN/D-GN 860 Front Windshield Wiper Switch High Signal
C2 0.35 GY 91 Windshield Wiper Switch Signal 2
C3-C5 - - Not Used
C6 0.5 WH 17 Stop Lamp Switch Signal
D1 1 PU 92 Windshield Wiper Motor High Speed Control
D2 - - Not Used
E1 1 D-GN 95 Windshield Washer Switch Signal
E2 1 BK 150 Ground
E3 5 RD/GY 640 Battery Positive Voltage
F1-F3 - - Not Used
H1 - - Not Used
H2 0.35 D-BU 6561 Right Cornering Lamp Relay Control (TUH)
H3 0.35 TN/WH 1969 Headlamp High Beam Relay Control
H4-H6 - - Not Used
J1-J3 - - Not Used
K1 0.35 BN 6560 Left Cornering Lamp Relay Control (TUH)
K2 0.35 OG/GY 227 Windshield Washer Relay Control
K3 0.35 PK/WH 1970 Headlamp Low Beam Relay Control
K4 0.35 TN 28 Horn Relay Control
K5 0.35 D-GN/WH 1317 Fog Lamp Relay Control (T96)
K6 - - Not Used
Connector Part Information 
  • Harness: Body
  • OEM: 13528107
  • Service: 88988655
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 6: Fuse Block - Underhood X3
GM1581655Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X3

Pin Wire Circuit Function
A1-A4 - - Not Used
A5 0.35 BK/WH 1551 Ground
A6 0.5 OG/YE 5727 High Speed GMLAN Serial Data Wake Up
A7 0.5 D-GN (LD8) 335 Low Speed Cooling Fan Relay Control
0.5 TN/OG (LZ9/LGD)
A8 0.5 OG (LD8) 473 High Speed Cooling Fan Relay Control
0.5 L-BU (LZ9/LGD)
B1 - - Not Used
B2 0.5 PK 439 Ignition 1 Voltage
B3-B5 - - Not Used
C1-C5 - - Not Used
C6 0.35 BK/WH 1551 Ground (LD8)
0.5 YE 447 Starter Relay Coil Control (LZ9/LGD)
C7 0.5 YE 447 Starter Relay Coil Control (LD8)
0.75 PK/BK 5290 Ignition 1 Voltage (LZ9/LGD)
C8 - - Not Used
D1 0.5 WH 17 Stop Lamp Switch Signal
0.5 WH 17 Stop Lamp Switch Signal
D2 0.5 PK 539 Ignition 1 Voltage
D3-D5 - - Not Used
E1 5 RD 1542 Battery Positive Voltage
E2 5 PU 6 Starter Solenoid Crank Voltage
F1 5 RD/BK 1442 Battery Positive Voltage
F2 5 OG 78 AIR Pump Supply Voltage (NU6)
G1 5 BK 1150 Ground (NU6)
G2 - - Not Used
G3 0.8 PK/BK 5293 Powertrain Main Relay Fused Supply
G4 - - Not Used (LD8)
0.8 PK/BK 5293 Powertrain Main Relay Fused Supply (LZ9/LGD)
G5 0.35 PK/BK 5294 Engine Main Relay Fused Control
0.8 PK/BK 5294 Engine Main Relay Fused Control
H1 0.5 OG/WH (LD8) 5069 Main Relay Control
0.5 BN (LZ9/LGD)
H2 - - Not Used
H3 0.5 WH/BK 436 AIR Pump Relay Control (NU6)
H4-H8 - - Not Used
J1 0.5 PK/BK 415 Air Injection Reaction Solenoid Supply Voltage (NU6)
J2 0.5 D-GN 59 A/C Compressor Clutch Supply Voltage
J3 0.8 PK/BK 5292 Ignition 1 Voltage
J4 0.8 PK/GY (LD8) 5291 Ignition 1 Voltage
0.8 PK (LZ9/LGD)
J5 0.75 PK (LD8) 5290 Ignition 1 Voltage
0.75 PK/BK (LZ9/LGD)
K1 0.5 PU 421 Air Injection Reaction Solenoid Relay Coil Control (NU6)
K2 0.5 D-GN/WH 459 A/C Compressor Clutch Relay Control
K3-K8 - - Not Used
Fuse Block - Underhood X4 (To Starter/Generator)

Terminal Part Information 
  • Harness: Engine Harness
  • Terminal: 7003611702
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal
Fuse Block - Underhood X4 (To Starter/Generator)

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

Terminal Part Information 
  • Harness: Body Harness
  • Terminal: 7003-6115-02
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal
Fuse Block - Underhood X4 (To Battery)

Pin Wire Circuit Function
+ 40 RD 1 Battery Positive Voltage
Connector Part Information 
  • Harness: Engine
  • OEM: 15477822
  • Service: 19115189
  • Description: 56-Way F GT 150 280 Metri-Pack 800 Series (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 7: Fuse Block - Rear Label
GM1911730Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - REAR FUSE AND RELAY IDENTIFICATION LEGEND

No. Fuse And Relay Description Rating Circuits
1 F/PMP Fuse 20A Fuel Pump and Sender Assembly
2 PARK LP-LT Fuse 10A Tail Lamp Assembly - Left, Headlamp Assembly - Left Front, Tail Lamp Assembly - Left Auxiliary
3 RUN3 Fuse 5A Not Used
4 PARK LP-RT (D) Fuse 10A Tail Lamp Assembly - Right, Tail Lamp Assembly - Right Auxiliary, Headlamp Assembly - Right Front, License Lamps
5 ECM/TCM Fuse 15A Engine Control Module (ECM), Transmission Control Module (TCM)
6 MDL-MEM Fuse 10A Memory Seat Module (MSM) (A45)
7 PARK LP-RT Fuse 10A Not Used
8 STG ILLUM Fuse 2A Steering Wheel Control Switch Illumination
9 MDL-FRT Fuse 30A Climate Control Seat Module - Front
10 RUN2 Fuse 10A Climate Control Seat Module - Front (KB6), Floor Shifter Assembly
11 MDL-RR Fuse 20A Not Used
12 MDL-RPA Fuse 10A Object Alarm Module (UD7) Side Object Detection - Left (UFT), Side Object Detection - Right (UFT)
13 PASSKEY Fuse 10A Theft Deterrent Module (TDM), Data Link Connector (DLC), Instrument Panel Cluster (IPC), HVAC Control Module
14 UNLOCK/LOCK Fuse 20A UNLOCK Relay 62, LOCK Relay 63
15 MDL-RTD Fuse 25A Electronic Suspension Control Module (F55)
16 DRL Fuse 15A DRL Headlamps
17 SUN ROOF Fuse 25A Sunroof Control Module (CF5)
18 BCM (DIM) Fuse 10A Body Control Module (BCM)
19 BCM Fuse 10A Body Control Module (BCM)
20 RUN1 Fuse 7.5A Heated Steering Wheel Control Module (NR7)
21 SW-IGN Fuse 5A Ignition Switch
22 DDM Fuse 15A Driver Door Module (DDM)
23 SWS-RR Fuse 20A Not Used
24 COMP RELAY Fuse 10A LEVEL COMP Relay 53, Automatic Level Control (ALC) Compressor, Automatic Level Control Module (FE1/F55)
25 BCM (LTTN) Fuse 15A Body Control Module (BCM)
26 LTR-CIG Fuse 20A Cigar Lighter, Auxiliary Power Outlet - Console (A51)
27 NAV Fuse 10A Not Used
28 RAP1 Fuse 10A Floor Shifter Assembly (A51), Park Switch (A51)
29 PDM Fuse 15A Front Passenger Door Module (FPDM)
30 SDM Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Passenger Presence System (PPS) Module
31 APOs Fuse 20A Auxiliary Power Outlet - Front
32 BCM (INADV) Fuse 10A Body Control Module (BCM)
33 RAP2 Fuse 10A Inside Rearview Mirror, Sunroof Control Module (CF5)
34 SOL CAN Fuse 10A Evaporative Emission (EVAP) Valve Canister Vent Solenoid
35 BCM (CTSY) Fuse 10A Body Control Module (BCM)
36 BCM (RTTN) Fuse 15A Body Control Module (BCM)
37 TRK REL Fuse 10A Rear Compartment Lid Latch
38 AMP-RDO Fuse 30A Amplifier (UQA)
39 BCM (CHMSL) Fuse 10A Body Control Module (BCM)
40 BCM Fuse 10A Body Control Module (BCM)
41 STOP LP Fuse 10A Not Used
42 MDL-ONSTAR Fuse 10A Vehicle Communication Interface Module (VCIM) (UE1)
43 MDLS-BODY Fuse 10A Lane Departure Warning Camera (UFL), Garage Door Opener Transmitter, Remote Control Door Lock Receiver (RCDLR)
44 RADIO Fuse 15A Radio, Digital Radio Receiver (U2K)
45 DR UNLATCH Fuse 10A Not Used
46 RR DEFOG Fuse 40A RR DEFOG Relay 52
47 LEVEL COMP Fuse 40A LEVEL COMP Relay 53
48 MTR Fuse 40A Blower Motor Control Module (CJ2)
49 BLOWER Fuse 40A Blower Motor Control Module (C67)
50 RESISTOR 121 Ω Data Link Communication
51 BLOWER Relay - Not Used
52 RR DEFOG Relay - Rear Window Defogger
53 LEVEL COMP Relay - Automatic Level Control (ALC) Compressor (FE1/F55)
54 RF SEAT Circuit Breaker 25A Seat Adjuster Switch - Passenger, Lumbar Adjuster Switch - Passenger (AE8/AG2)
55 PWR SEAT Circuit Breaker 25A Seat Adjuster Switch - Driver, Memory Seat Module (MSM) (AG1/AE8/A45)
56 PWR WDO Circuit Breaker 25A Driver Door Module (DDM), Front Passenger Door Module (FPDM), Window Switch - Left Rear Door, Window Switch - Right Rear Door
57 PWR T/T Circuit Breaker 25A Memory Seat Module (MSM) (A45/N38)
58 PARK LP-LT Relay - PARK LP-LT, PARK LP-RT Fuses
59 FUEL PUMP Relay - F/PMP Fuse 1
60 LIC LP Relay - Not Used
61 PARK LP-RT Relay - Not Used
62 UNLOCK Relay - Door Latch Assembly - Left Rear, Door Latch Assembly - Right Rear
63 LOCK Relay - Door Latch Assembly - Left Rear, Door Latch Assembly - Right Rear
64 RUN Relay - RUN1, RUN2 Fuses
65 DRL Relay - DRL Fuse
66 DR UNLATCH Relay - Not Used
67 TRK REL Relay - TRK REL Fuse
68 STOP LP Relay - Not Used
69 OVERHEAD LP Relay - Not Used
70 RAP-HC Relay - RAP1, RAP2, SUN ROOF Fuses
Fig 8: Fuse Block - Rear Top View
GM1911732Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuse Block - Rear Bottom View
GM1911733Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuse Block - Rear X1
GM280787Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X1

Pin Wire Circuit Function
A1-A2 - - Not Used
A3 0.35 BN 741 Ignition 3 Voltage (KB6)
0.35 BN 741 Ignition 3 Voltage
A4-A7 - - Not Used
A8 1 BK 750 Ground
A9 0.35 L-BU/BK 6692 Left Rear Door Lock Motor Unlock Control
A10 - - Not Used
A11 3 RD/PK 1140 Battery Positive Voltage
A12 - - Not Used
B1-B5 - - Not Used
B6 0.35 L-BU/WH 6693 Right Rear Door Lock Motor Unlock Control
B7 0.8 TN 294 Door Lock Actuator Unlock Control
0.8 TN 294 Door Lock Actuator Unlock Control
B8 - - Not Used
B9 0.8 GY 295 Door Lock Actuator Lock Control
0.8 GY 295 Door Lock Actuator Lock Control
B10-B11 - - Not Used
B12 3 YE/GY 1440 Battery Positive Voltage (KB6)
C1-C2 - - Not Used
C3 0.5 BN/WH 309 Right Park Lamp Supply Voltage
0.5 BN/WH 309 Right Park Lamp Supply Voltage
C4-C12 - - Not Used
D1 0.35 D-GN/WH 465 Fuel Pump Relay Control - Primary
D2-D3 - - Not Used
D4 0.5 RD/WH 4640 Battery Positive Voltage
D5 0.5 OG/BN 1640 Battery Positive Voltage
D8-D12 - - Not Used
E1 - - Not Used
E2 0.5 PU 709 Left Park Lamp Supply Voltage
E3-E4 - - Not Used
E5 0.35 D-BU 45 Park Lamp Relay Control
E6 - - Not Used
E7 0.35 YE 1491 Backlight Lamp Control
E8-E11 - - Not Used
E12 3 BN/WH 4240 Battery Positive Voltage
F1 1 GY 120 Fuel Pump Supply Voltage
F2-F6 - - Not Used
F7 0.35 GY/BK 1381 LCD Dimming Signal
F8-F12 - - Not Used
Connector Part Information 
  • Harness: Body
  • OEM: 15492650
  • Service: 19178126
  • Description: 68-Way F Metri-Pack 280 Series, Flexlock (L-GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 11: Fuse Block - Rear X2
GM806652Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X2

Pin Wire Circuit Function
A1 0.5 PK/RD 2440 Battery Positive Voltage
0.5 PK/RD 2440 Battery Positive Voltage
A2-A3 - - Not Used
A4 0.8 PK/D-GN 2740 Battery Positive Voltage
A5-A10 - - Not Used
A11 2 RD/WH 140 Battery Positive Voltage
A12 0.5 TN/RD 3540 Battery Positive Voltage
B1 0.8 RD/WH 1740 Battery Positive Voltage
0.8 RD/WH 1740 Battery Positive Voltage
B2-B6 - - Not Used
B7 0.35 YE/BN 143 Accessory Voltage
B8 0.35 L-BU 1344 Trunk Release Relay Control
B9-B10 - - Not Used
B11 0.8 TN/PK 5040 Battery Positive Voltage
B12 - - Not Used
C1-C2 - - Not Used
C3 0.35 L-GN/BN 5486 Run Relay Coil Control
C4 0.8 D-GN/PU 1940 Battery Positive Voltage
C5-C9 - - Not Used
C10 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
C11 - - Not Used
C12 0.35 PU 544 DRL Relay Control
D1-D3 - - Not Used
D4 0.5 PK/PU 2940 Battery Positive Voltage
D5 - - Not Used
D6-D7 - - Not Available
D8 0.5 RD/WH 3340 Battery Positive Voltage
0.5 RD/WH 3340 Battery Positive Voltage (F55)
D9 0.8 RD/YE 340 Battery Positive Voltage
D10 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
D11-D12 - - Not Used
E1 0.5 PK/YE 2640 Battery Positive Voltage
E2 0.35 PK/GY 3040 Battery Positive Voltage
E3-E10 - - Not Used
E11 2 TN/GY 4440 Battery Positive Voltage
E12 0.5 PK/D-BU 3140 Battery Positive Voltage
F1-F2 - - Not Used
F3 1 BN 41 Ignition 3 Voltage
F4 0.35 RD/WH 4540 Battery Positive Voltage (UD7)
0.35 RD/WH 4540 Battery Positive Voltage (UFT)
F5 0.5 OG/PK 1840 Battery Positive Voltage
0.5 OG/PK 1840 Battery Positive Voltage
F6 0.8 YE 643 Accessory Voltage
0.8 YE 643 Accessory Voltage
F7-F8 - - Not Used
F9 2 TN/PU 4340 Battery Positive Voltage (F55)
F10 0.8 TN/WH 312 Right Headlamp Low Beam Supply Voltage
F11-F12 - - Not Used
Connector Part Information 
  • Harness: Body
  • OEM: 15492663
  • Service: 19178127
  • Description: 68-Way F Metri-Pack 280 Series (GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 12: Fuse Block - Rear X3
GM280784Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X3

Pin Wire Circuit Function
A1 - - Not Used
A2 1 D-GN/TN 2040 Battery Positive Voltage
0.5 D-GN/TN 2040 Battery Positive Voltage (U2K)
A3-A4 - - Not Used
A5 0.5 BK 750 Ground
A6-A9 - - Not Used
A10 3 D-GN 322 Electronic Level Control Compressor Motor Supply Voltage
A11 0.35 YE 321 Automatic Level Control Relay Control (without F55)
A12 - - Not Used
B1 0.35 RD/D-GN 1040 Battery Positive Voltage
B2-B12 - - Not Used
C1 - - Not Used
C2 0.35 PK/BN 2340 Battery Positive Voltage
C3 - - Not Used
C4 0.35 WH 193 Rear Defog Relay Control
C5 - - Not Used
C6-C7 - - Not Available
C8 0.35 TN/OG 3640 Battery Positive Voltage
C9 - - Not Used
C10 0.5 RD/WH 3340 Battery Positive Voltage
C11-C12 - - Not Used
D1-D8 - - Not Used
D9 0.8 RD/D-GN 440 Battery Positive Voltage
D10-D12 - - Not Used
E1-E5 - - Not Used
E6 0.35 BK/TN 707 RAP Relay Coil Supply Voltage
E7 - - Not Used
E8 3 TN/YE 3740 Battery Positive Voltage
E9 - - Not Used
E10 0.5 TN/WH 56 Trunk Release Motor Supply Voltage
E11 5 TN/D-BU 3440 Battery Positive Voltage (UQA)
E12 0.8 RD/WH 1240 Battery Positive Voltage
F1-F9 - - Not Used
F10 0.35 RD/WH 2840 Battery Positive Voltage
F11-F12 - - Not Used
Connector Part Information 
  • Harness: Body
  • OEM: 15492651
  • Service: 19150315
  • Description: 68-Way F Metri-Pack 280 Series, Flexlock (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 13: Fuse Block - Rear X4
GM280788Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X4

Pin Wire Circuit Function
A - - Not Used
B 5 PK/OG 2540 Battery Positive Voltage
Connector Part Information 
  • Harness: Body
  • OEM: 12146038
  • Service: 15305886
  • Description: 2-Way F Maxi Fuse (GY)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 14: Fuse Block - Rear X5
GM258677Courtesy of GENERAL MOTORS CORP.
Fuse Block - Rear X5

Pin Wire Circuit Function
A 5 PU 293 Rear Defog Element Supply Voltage
B - - Not Used
Fuse Block - Rear X6 (To Battery)

Terminal Part Information 
  • Harness: Body Harness
  • Terminal: 7003-6115-02
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal
Fuse Block - Rear X6 (To Battery)

Pin Wire Circuit Function
+ 40 RD 1 Battery Positive Voltage
Connector Part Information 
  • Harness: Body
  • OEM: 12146037
  • Service: 15305928
  • Description: 2-Way F 800 Maxi Fuse (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Fig 15: Fuse Holder - Digital Video Disc (DVD) Control Module
GM1743144Courtesy of GENERAL MOTORS CORP.
Fuse Holder - Digital Video Disc (DVD) Control Module

Pin Wire Circuit Function
1 0.5 YE 739 Battery Positive Voltage
2 0.5 YE 739 Battery Positive Voltage
Connector Part Information 
  • Harness: SPO Accessory power
  • OEM: Not Available
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Fuse Holder (BK)
Terminal Part Information 
  • Terminal/Tray: Service by Harness - See Part Catalog
  • Core/Insulation Crimp: Not Available
  • Release Tool/Test Probe: Not Available
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