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Electrical Center Identification Views

Fig 1: Fuse Block - Underhood Label
GM2044083Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND

Fuse And Relay Description Rating Circuits
A/C CMPRSR Fuse 10A A/C Compressor Clutch
ABS MTR1 Fuse 60A Electronic Brake Control Module (EBCM)
ABS MTR2 Fuse 60A Electronic Brake Control Module (EBCM)
AIRBAG/DISPLAY Fuse 10A Instrument Panel Cluster (IPC), HVAC Control Module, Inflatable Restraint Passenger Air Bag On/Off Indicator, and Inflatable Restraint Sensing and Diagnostic Module (SDM)
AUX PWR Fuse 25A Accessory Power Outlet - I/P 1 and Accessory Power Outlet - I/P 2
BATT 1 Fuse 60A CNSTR, XM, AMP, AUX Fuses, and Trunk Relay
BATT 2 Fuse 60A HTD/SEAT, AIRBAG, PWR/MIR, S/ROOF, DR/LCK Fuses, PWR/SEAT Circuit Breaker, and RAP Relay
BATT 3 Fuse 40A Rear Window Defogger Grid
BATT 4 Fuse 30A Blower Motor Control Module
BCM Fuse 10A Body Control Module (BCM), Ignition Switch, and Theft Deterrent Module (TDM)
CHMSL/BCK-UP Fuse 10A Body Control Module (BCM)
DISPLAY Fuse 10A Data Link Connector (DLC), Remote Control Door Lock Receiver (RCDLR), Instrument Panel Cluster (IPC), and HVAC Control Module
DRL 1 Fuse 15A DRL 2 Fuse
DRL 2 Fuse 15A LT LO BEAM Fuse, RT LO BEAM Fuse
ECM IGN Fuse 10A Engine Control Module (ECM)
ECM/TCM Fuse 15A Engine Control Module (ECM) and Transmission Control Module (TCM)
EMISSIONS 1 Fuse 15A Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2, and Evaporative Emission (EVAP) Canister Purge Solenoid Valve
EMISSIONS 2 Fuse 15 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) Assembly (LZG), Secondary Air Injection (AIR) Pump Relay (NU3), Secondary Air Injection (AIR) Solenoid Relay (NU3), A/C CMPRSR Relay, FAN 1 Relay, FAN 2 Relay, and FAN 3 Relay
ETC/ECM Fuse 15A Engine Control Module (ECM)
FAN1 Fuse 30A FAN 1 Relay
FAN2 Fuse 30A FAN 3 Relay
FOG LAMPS Fuse 15A Fog Lamp - Left Front and Fog Lamp - Right Front
FUEL/PUMP Fuse 15A Fuel Pump and Sender Assembly
HDLP MDL Fuse 15A C122 or Emergency Vehicle Headlamp Flasher (6J7)
HORN Fuse 15A Horn Assembly
HTD MIR Fuse 10A Outside Rearview Mirror - Driver and Outside Rearview Mirror - Passenger
INJ 1 Fuse 20A Fuel Injectors 1-6
INJ 2 Fuse 20A Ignition Control Module
INT LIGHTS Fuse 10A Body Control Module (BCM)
INT LTS/PNL DIM Fuse 15A Body Control Module (BCM)
LT HI BEAM FUSE 10A Headlamp - High Beam - Left or Emergency Vehicle Headlamp Flasher (6J7)
LT LO BEAM Fuse 10A Headlamp - Low Beam - Left
LT PARK Fuse 10A Marker lamp - LF, Park/Turn Signal Lamp - Left Front, Tail Lamp - Left, and Tail/Stop and Turn Signal - Left
LT SPOT Fuse (9C1, 9C3) 15A Spot Lamp - Left (7x6, 7X7)
LT T/SIG Fuse 15A Body Control Module (BCM)
PWR DROP/CRNK Fuse 10A Blunt Cut Wire (9C1, 9C3)
RADIO Fuse 20A Radio
RT HI BEAM Fuse 10A Headlamp - High Beam - Right or Emergency Vehicle Headlamp Flasher (6J7)
RT LO BEAM Fuse 10A Headlamp - Low Beam - Right
RT PARK Fuse 10A Marker Lamp - RF, Park/Turn Signal Lamp - RF, Tail Lamp - Right, and Tail/Stop and Turn Signal - Right
RT SPOT Fuse (9C1, 9C3) 15A Spot Lamp - Right (7X7)
RT T/SIG Fuse 15A Body Control Module (BCM)
RVC SEN Fuse 10A Body Control Module (BCM)
Spare Fuse 2A Not Used
Spare Fuse 10A Not Used
Spare Fuse 15A Not Used
Spare Fuse 20A Not Used
Spare Fuse 25A Not Used
STRG WHL Fuse 2A Steering Wheel Controls - Left and Steering Wheel Controls - Right
STRTR Fuse 40A Starter
TRANS Fuse 10A 1-2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, Torque Converter Clutch (TCC) Solenoid Valve, and Transmission Control Module (TCM)
WPR Fuse 25A WIPER PCB Relay
WSW Fuse 15A Windshield Washer Fluid Pump
A/C CMPRSR Relay - A/C CMPRSR Fuse
FAN 1 Relay - Engine Cooling Fan - Left
FAN 2 Relay - Engine Cooling Fan - Right
FAN 3 Relay - Engine Cooling Fan - Right
FUEL/PUMP Relay - FUEL/PUMP Fuse
PWR/TRN Powertrain Relay - ETC/ECM, INJ 1, INJ 2, EMISSIONS 1, and EMISSIONS 2 Fuses
REAR DEFOG Relay - BATT 3 and HTD MIR Fuses
STARTER Relay - STRTR Fuse
Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
DRL PCB Relay - DRL 1 Fuse
FOG LP PCB Relay - FOG LAMPS Fuse
HIGH BEAM PCB Relay - LT HI BEAM and RT HI BEAM Fuses
HORN PCB Relay - HORN Fuse
IGN MAIN PCB Relay - AIRBAG/DISPLAY, ECM IGN, PWR DROP/CRNK, and TRANS Fuses
LOW BEAM PCB Relay - DRL 2, LT LO BEAM, and RT LO BEAM Fuses
PARK LP PCB Relay - LT PARK and RT PARK Fuses
WIPER PCB Relay - WIPER HIGH PCB Relay
WIPER HIGH PCB Relay - Windshield Wiper Motor
WS WASH PCB Relay - WSW Fuse
Fig 2: Fuse Block - Underhood - Top View
GM1670573Courtesy of GENERAL MOTORS CORP.
Fig 3: Fuse Block - Underhood - Bottom View
GM1962892Courtesy of GENERAL MOTORS CORP.
Fig 4: Fuse Block - Underhood X1
GM1581655Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X1

Pin Wire Circuit Function
A1 0.35 D-GN/WH 465 Fuel Pump Relay Control
A2-A4 - - Not Used
A5 0.5 PK/BK 5293 Ignition 1 Voltage
A6 0.35 BN 5069 PWR/TRN Relay Control
A7 - - Not Used
A8 0.5 PK/BK 5294 Ignition 1 Voltage
B1 0.5 PK/BK 5290 Ignition 1 Voltage
B2 0.8 PK/BK 5291 Ignition 1 Voltage
B3 0.5 PK/BK 5293 Ignition 1 Voltage
0.5 PK/BK 5293 Ignition 1 Voltage
B4 0.8 PK/BK 5292 Ignition 1 Voltage
B5 0.8 PK/BK 5294 Ignition 1 Voltage (LZG)
0.5 PK/BK 5294 Ignition 1 Voltage (NU3)
C1 0.35 D-GN/WH 459 A/C Compressor Clutch Relay Control
C2 0.35 BK/WH 451 Ground
C3-C6 - - Not Used
C7 0.35 D-BU 473 High Speed Cooling Fan Relay Control
C8 - - Not Used
D1 0.5 D-GN 59 A/C Compressor Clutch Supply Voltage
D2 0.5 RD/WH 2140 Battery Positive Voltage (NU3)
D3-D5 - - Not Used
E1 5 RD/BK 1342 Battery Positive Voltage (JL9)
E2 5 RD/BK 742 Battery Positive Voltage (NU3)
F1 3 PU 6 Starter Solenoid Crank Voltage
F2 5 RD/BK 1442 Battery Positive Voltage (without JL4)
5 RD/BK 1442 Battery Positive Voltage (JL4)
G1 - - Not Used
G2 0.5 RD/WH 540 Battery Positive Voltage
0.5 RD/WH 540 Battery Positive Voltage
G3-G5 - - Not Used
H1 0.35 WH 1310 EVAP Canister Vent Solenoid Control
H2-H6 - - Not Used
H7 0.35 D-GN 335 Low Speed Cooling Fan Relay Control
H8 - - Not Used
J1 0.35 YE 447 Starter Relay Coil Control
J2 0.35 PK 1339 Ignition 1 Voltage
0.35 PK 1339 Ignition 1 Voltage
J3 0.35 PK 439 Ignition 1 Voltage
J4-J5 - - Not Used
K1-K8 - - Not Used
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 15477822
  • Service Connector: 19115189
  • Description: 56-Way F GT 150 280 Metri-Pack 800 Series (BK)
Terminal Part Information 
  • Pins: A1, A5, A6, A8, C1, C2, C7, H1, H7
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Pins: B1, D1, D2, J1, J3
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pins: B2, B4
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Pins: B3, B5, G2
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pins: E1, E2, F1, F2
  • Terminated Lead: 13575718
  • Release Tool: J-38125-558
  • Diagnostic Test Probe: J-35616-44 (YE)
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Pin: J2
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
Fig 5: Fuse Block - Underhood X2
GM1581657Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X2

Pin Wire Circuit Function
A1 0.35 GY 91 Wiper Relay Control
A2-A4 - - Not Used
A5 0.35 PK/WH 1970 Headlamp Low Beam Relay Control
A6 - - Not Used
B1 1 BK 150 Ground
B2 0.5 RD/WH 2740 Battery Positive Voltage (9C1, 9C3)
B3 0.5 RD/WH 2640 Battery Positive Voltage (9C1, 9C3)
C1 0.35 TN 860 Wiper High Speed Relay Control
C2 0.5 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
C3-C4 - - Not Used
C5 0.5 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
C6 0.35 TN/WH 1969 Headlamp High Beam Relay Control
D1 1 PU 92 Windshield Wiper Motor High Speed Control
D2 1 RD/WH 2540 Battery Positive Voltage (without Floor Console)
E1 1 D-GN 95 Windshield Wiper Motor Low Speed Control
E2 1 RD/WH 2540 Battery Positive Voltage (without Floor Console)
E3 5 RD/BK 642 Battery Positive Voltage
F1 3 PU 293 Rear Defog Element Supply Voltage
F2-F3 - - Not Used
G1 0.35 RD/WH 2440 Battery Positive Voltage
G2 1 RD/WH 2040 Battery Positive Voltage
H1-H2 - - Not Used
H3 0.35 WH 193 Rear Defog Relay Control
H4 0.5 OG 267 Heated Mirror Element Supply Voltage (DK2)
H5 0.35 D-GN/WH 1317 Fog Lamp Relay Control (T96)
H6 0.35 OG 2268 Windshield Washer Relay Control
J1 GY 901 Not Used
J2 0.8 RD/WH 440 Battery Positive Voltage
J3 0.8 RD/WH 340 Battery Positive Voltage
K1 - - Not Used
K2 0.35 WH 1080 Park Lamp Relay Control
K3 0.35 TN 28 Horn Relay Control
K4 0.35 D-GN/RD 6820 Exterior Lamp Flasher Signal (9C1, 9C3)
K5 0.8 PU 709 Left Park Lamp Supply Voltage
K6 0.8 BN/WH 309 Right Park Lamp Supply Voltage
Connector Part Information 
  • Harness Type: Instrument Panel
  • OEM Connector: 13528107
  • Service Connector: 88988655
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (GY)
Terminal Part Information 
  • Pins: A1, A5, C1, C2, C5, C6, H3, H5, H6, K2, K3
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Pins: B1, D1, D2, E1, E2, G2, J2, J3
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Pin: E3
  • Terminated Lead: 13575718
  • Release Tool: J-38125-558
  • Diagnostic Test Probe: J-35616-44 (YE)
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Pin: F1
  • Terminated Lead: 13575718
  • Release Tool: J-38125-558
  • Diagnostic Test Probe: J-35616-44 (YE)
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Pin: G1
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pin: J1
  • Terminated Lead: 13575754
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Pins: K5, K6
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
Fig 6: Fuse Block - Underhood X3
GM1581659Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X3

Pin Wire Circuit Function
A1 - - Not Used
A2 0.8 YE 712 Left Headlamp Low Beam Supply Voltage
A3 0.5 TN/WH 312 Right Headlamp Low Beam Supply Voltage
A4 - - Not Used
A5 0.5 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
A6 0.5 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
B1 0.8 RD/WH 2940 Battery Positive Voltage (9C1, 9C3)
B2 0.5 GY 589 DRL Resistor Supply Voltage
B3 - - Not Used
C1 0.5 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
C2-C4 - - Not Used
C5 0.5 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
C6 - - Not Used
D1 3 L-BU 409 Cooling Fan - Right Supply Voltage
D2 - - Not Used
E1 3 GY 532 Cooling Fan - Left Low Reference
E2 3 BK 250 Ground
E3 - - Not Used
F1 - - Not Used
F2 3 WH 504 Cooling Fan - Left Supply Voltage
F3 - - Not Used
G1 0.5 PU 34 Front Fog Lamp Supply Voltage (T96)
0.5 PU 34 Front Fog Lamp Supply Voltage (T96)
G2 - - Not Used
H1 - - Not Used
H2 0.8 OG 228 Windshield Washer Pump Control
H3-H6 - - Not Used
J1 0.5 GY 589 DRL Resistor Supply Voltage
J2 0.5 BN/WH 309 Right Park Lamp Supply Voltage
J3 0.8 D-GN 29 Horn Control
K1 0.5 PU 709 Left Park Lamp Supply Voltage
K2 - - Not Used
K3 0.35 D-GN/RD 6820 Exterior Lamp Flasher Signal (9C1, 9C3)
K4-K6 - - Not Used
Connector Part Information 
  • Harness Type: Forward Lamp
  • OEM Connector: 13528106
  • Service Connector: Pending
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (BK)
Terminal Part Information 
  • Pins: A2, H2
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Pins: A3, A5, A6, C1, C5, K1, K3
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Pins: B1, J3
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Pins: B2, J2, J3
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pins: D1, E1, E2, F2
  • Terminated Lead: 13575756
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Pin: G1
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
Fig 7: Fuse Block - Underhood X4
GM1581620Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X4

Pin Wire Circuit Function
A1-A3 - - Not Used
A4 0.8 RD/WH 1240 Battery Positive Voltage
A5-A6 - - Not Used
B1 0.35 RD/WH 1040 Battery Positive Voltage
0.5 RD/WH 1040 Battery Positive Voltage
B2 0.5 RD/WH 1240 Battery Positive Voltage
B3 0.35 RD/WH 1840 Battery Positive Voltage
C1-C6 - - Not Used
D1 0.8 RD/WH 240 Battery Positive Voltage
D2 0.8 RD/WH 1640 Battery Positive Voltage
E1 - - Not Used
E2 2 GY 120 Fuel Pump Supply Voltage
E3 5 RD/BK 242 Battery Positive Voltage
F1 3 RD/BK 442 Battery Positive Voltage
F2 - - Not Used
F3 0.5 RD/WH 2340 Battery Positive Voltage
G1 0.35 PU/WH 1382 LED Dimming Supply
G2 - - Not Used
H1 0.35 YE 5199 Run/Crank Relay Coil Control
H2 0.35 PU 544 DRL PCB Relay Control
H3 - - Not Used
H4 0.35 PU/WH 7005 LED Dimming Supply
H5 - - Not Used
H6 0.35 WH 1310 EVAP Canister Vent Solenoid Control
J1-J3 - - Not Used
K1 0.5 PK 739 Ignition 1 Voltage (9C1, 9C3)
K2-K3 - - Not Used
K4 0.35 PK 1139 Ignition 1 Voltage
K5-K6 - - Not Used
Connector Part Information 
  • Harness Type: Instrument Panel
  • OEM Connector: 13528108
  • Service Connector: 88988654
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (L-GY)
Terminal Part Information 
  • Pin: A4
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Pin: B1
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pins: B2, B3, F3, G1
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pins: D1, D2
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Pin: E2
  • Terminated Lead: 13575754
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Pin: E3
  • Terminated Lead: 13575718
  • Release Tool: J-38125-558
  • Diagnostic Test Probe: J-35616-44 (YE)
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Pin: F1
  • Terminated Lead: 13575718
  • Release Tool: J-38125-558
  • Diagnostic Test Probe: J-35616-44 (YE)
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Pins: H1, H2, H4, H6, K4
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
Fig 8: Fuse Block - I/P - Label
GM1867897Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - I/P - FUSE AND RELAY IDENTIFICATION LEGEND

Fuse And Relay Description Rating Circuits
AIRBAG Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Front Passenger Presence System (PPS) Module
AMP Fuse 25A Audio Amplifier
AUX Fuse 20A Accessory Power Outlet - Center Seat, Accessory Power Outlet - Center Console 1, Accessory Power Outlet - Center Console 2, Accessory Power Outlet - Center Console Compartment
CNSTR Fuse 10A Evaporative Emission (EVAP) Canister Vent Solenoid
DR/LCK Fuse 25A DOOR UNLOCK PCB Relay - Driver, DOOR UNLOCK PCB Relay, and DOOR LOCK PCB Relay
HTD/SEAT Fuse 20A Heated Seat Control Module (KA1), Emergency Vehicle Rear Compartment Lid Lamps Relay (T53)
PWR/MIR Fuse 2A Outside Rearview Mirror Switch
RAP Fuse 10A Automatic Transmission Shift Lock Control Solenoid (with Floor Shifter), Inside Rearview Mirror (DD6), Sunroof Motor (CF5)
S/ROOF Fuse 20A Sunroof Motor (CF5)
TRUNK Fuse 10A Rear Compartment Lid Release Actuator
PWR/SEAT Circuit Breaker 25A Seat Adjuster Switch - Driver, Seat Adjuster Switch - Passenger
PWR/WNDW Circuit Breaker 25A Window Switch - Driver, and Window Switch - Passenger
Trunk Relay - Trunk Fuse
XM Fuse 10A Digital Radio Receiver (U2K)
Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
DOOR LOCK PCB Relay - Door Locks
DOOR UNLOCK PCB Relay - Door Lock - Passenger, Door Lock - Left Rear, Door Lock - Right Rear
DOOR UNLOCK PCB Relay - Driver - Door Lock - Driver
RAP Relay - RAP Fuse
Fig 9: Fuse Block - I/P Top View
GM1670576Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuse Block - I/P X1
GM1667403Courtesy of GENERAL MOTORS CORP.
Fuse Block - I/P X1

Pin Wire Circuit Function
A1-A2 - - Not Used
A3 0.35 TN 707 RAP Relay Coil Supply Voltage
A4 0.35 L-BU 1344 Trunk Release Relay Control
A5 0.5 TN/WH 56 Trunk Release Motor Control
A6 0.5 RD/WH 2840 Battery Positive Voltage
B1 0.5 YE 643 Accessory Voltage (DD6, CF5)
0.5 YE 643 Accessory Voltage (Floor Shifter without DD6)
0.35 YE 643 Accessory Voltage (Floor Shifter with DD6)
0.5 YE 643 Accessory Voltage (9C1, 9C3)
B2 3 YE 143 Accessory Voltage
B3 3 YE/BK 143 Accessory Voltage
C1 - - Not Used
C2 0.5 RD/WH 3540 Battery Positive Voltage (U2K)
C3 0.35 RD/WH 1340 Battery Positive Voltage
C4 0.5 RD/WH 1340 Battery Positive Voltage
C5-C6 - - Not Used
D1 3 RD/WH 1140 Battery Positive Voltage (AG1, AH5)
D2 2 RD/WH 640 Battery Positive Voltage (UQ3, U87)
E1 3 RD/WH 1140 Battery Positive Voltage (AG2)
E2 1 RD/WH 1940 Battery Positive Voltage
E3 - - Not Used
F1 - - Not Used
F2 0.8 RD/WH 1440 Battery Positive Voltage (9C1, 9C3)
F3 2 RD/WH 3440 Battery Positive Voltage (CF5)
G1 1 RD/WH 1440 Battery Positive Voltage (KA1)
G2 1 GY 295 Door Lock Actuator Lock Control
H1 0.5 RD/WH 840 Battery Positive Voltage
H2-H6 - - Not Used
J1 1 BK 750 Ground
J2 1 TN 294 Door Lock Actuator Unlock Control
J3 1 TN 694 Driver Door Lock Actuator Unlock Control
K1-K3 - - Not Used
K4 0.35 L-GN 1391 Door Lock Relay Control
K5 0.35 L-BU 5921 Door Unlock Relay Control
K6 0.35 YE 356 Driver Door Unlock Relay Control
Connector Part Information 
  • Harness Type: Body
  • OEM Connector: 13552254
  • Service Connector: Pending
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (BK)
Terminal Part Information 
  • Pins: A3-A6, C2-C4, H1, K4-K6
  • Terminated Lead: 13575735
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Pin: B1
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Pins: B2, B3, D1, D2, E1, F3
  • Terminated Lead: 13575756
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Pins: E2, F2, G1, G2, J1-J3
  • Terminated Lead: 13575753
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
Fig 11: Fuse Block - I/P X2
GM647933Courtesy of GENERAL MOTORS CORP.
Fuse Block - I/P X2

Pin Wire Circuit Function
A 5 RD/BK 242 Battery Positive Voltage
B 5 RD/BK 642 Battery Positive Voltage
Connector Part Information 
  • Harness Type: Instrument Panel
  • OEM Connector: 13540474
  • Service Connector: 15306393
  • Description: 2-Way F (BK)
Terminal Part Information 
  • Terminated Lead: Pending
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)
Fig 12: Fuse Holder - Digital Video Disc (DVD) Control Module Connector End View
GM1743144Courtesy of GENERAL MOTORS CORP.
Fuse Holder - Digital Video Disc (DVD) Control Module

Pin Wire Circuit Function
1 0.5 RD 739 Battery Positive Voltage
2 0.5 RD 739 Battery Positive Voltage
Connector Part Information 
  • Harness Type: SPO Accessory power
  • OEM Connector: Not Available
  • Service Connector: 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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