Headlights/Daytime Running Lights (DRL) Schematics
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Fog Lights Schematics
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Headlight Leveling Schematics
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Exterior Lights Schematics
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Interior Lights Schematics
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Interior Lights Dimming Schematics
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Scheme 1
| Callout | Component Name |
|---|---|
| 1 | Headlamp - High Beam - Right |
| 2 | Daytime Running Lamp (DRL) - Right |
| 3 | Exterior Illumination Lamp |
| 4 | Headlamp - High Beam - Left |
| 5 | Headlamp - Low Beam - Left |
| 6 | Marker Lamp - LF |
| 7 | Park/Turn Signal Lamp - LF |
| 8 | Daytime Running Lamp (DRL) - Left |
| 9 | Fog Lamp - LF |
| 10 | Fog Lamp - RF |
| 11 | Marker Lamp - RF |
| 12 | Park/Turn Signal Lamp - RF |
| 13 | Headlamp - Low Beam - Right |
Scheme 2
| Callout | Component Name |
|---|---|
| 1 | Roof Marker Lamp and Harness - Right |
| 2 | Roof Marker Lamp and Harness - Left |
| 3 | Clearance Lamps and Harness |
Scheme 3
| Callout | Component Name |
|---|---|
| 1 | Brake/Clutch Harness |
| 2 | Fuse Block - Underhood |
| 3 | Emergency Vehicle Roof Lamp Relay |
| 4 | C160 |
| 5 | C119 |
| 6 | C161 |
| 7 | Chassis Harness |
Scheme 4
| Callout | Component Name |
|---|---|
| 1 | Frame |
| 2 | Junction Block-Rear Lamps |
| 3 | Junction Block Mounting Bracket |
Scheme 5
| Callout | Component Name |
|---|---|
| 1 | Instrument Panel Bracket |
| 2 | I/P Harness |
| 3 | Ambient Light Sensor Connector |
| 4 | Ambient Light Sensor (CJ3) or Sunload Sensor (CJ2) |
| 5 | Instrument Panel Defroster Deflector |
Scheme 6
| Callout | Component Name |
|---|---|
| 1 | Hazard Button |
| 2 | Multifunction Lever |
| 3 | Cruise Control Switches |
| 4 | Tilt Steering Actuator |
| 5 | Inflatable Restraint Harness |
| 6 | C201 Inline Connector |
Scheme 7
| Callout | Component Name |
|---|---|
| 1 | Vacuum Booster |
| 2 | Brake Pedal |
| 3 | Stop Lamp Switch |
| 4 | Accelerator Pedal |
| 5 | Stop Lamp Switch Retainer |
| 6 | Dash Panel |
Scheme 8
| Callout | Component Name |
|---|---|
| 1 | Vanity Mirror Lamp - Left Connector |
| 2 | Left Sunshade |
| 3 | Right Sunshade |
| 4 | Vanity Mirror Lamp - Right Connector |
| 5 | Vanity Mirror Lamp - Right |
| 6 | Inside Rearview Mirror |
| 7 | Vanity Mirror Lamp - Left |
Scheme 9
| Callout | Component Name |
|---|---|
| 1 | Cellular Microphone |
| 2 | Courtesy/Reading Lamps - Front |
| 3 | C355 |
| 4 | Cellular Microphone Connector |
| 5 | Overhead Console |
Scheme 10
| Callout | Component Name |
|---|---|
| 1 | Automatic Transfer Case (ATC) Electrical Connector |
| 2 | Automatic Transfer Case (ATC) Electrical Connector |
| 3 | Automatic Transfer Case (ATC) Select Switch |
| 4 | Cargo/Fog Lamp Switch |
| 5 | Headlamp and Panel Dimmer Switch |
| 6 | Instrument Panel |
| 7 | Headlamp and Panel Dimmer Switch Electrical Connector |
| 8 | Cargo/Fog Lamp Switch Electrical Connector |
Scheme 11
| Callout | Component Name |
|---|---|
| 1 | Fog Lamp Switch (Export) |
| 2 | Roof Beacon Switch (5X7, 5Y0, 5G4, or TRW) |
| 2 | Roof Beacon Switch (5X7, 5Y0, 5G4, or TRW) |
| 3 | Accessory Switch Housing |
| 3 | Accessory Switch Housing |
| 4 | Instrument Panel |
Scheme 12
| Callout | Component Name |
|---|---|
| 1 | Vehicle Speed Sensor |
| 2 | NV 3500 Transmission |
| 3 | Oxygen Sensor Downstream Connector |
| 4 | Backup Lamp Switch |
| 5 | Oxygen Sensor Upstream Connector |
Scheme 13
| Callout | Component Name |
|---|---|
| 1 | Door Courtesy Lamp Electrical Connector |
| 2 | Door Courtesy Lamp |
| 3 | Driver Door |
Scheme 14
| Callout | Component Name |
|---|---|
| 1 | LR Fender |
| 2 | Clearance Lamp - LR |
| 3 | Clearance Lamp - LF |
Scheme 15
| Callout | Component Name |
|---|---|
| 1 | Right Rear Fender |
| 2 | Clearance Lamp - Right Front |
| 3 | Clearance Lamp - Right Rear |
Scheme 16
| Callout | Component Name |
|---|---|
| 1 | Tail/Stop Lamp - Left |
| 2 | Cargo Lamp |
| 3 | Center High Mounted Stop Lamp (CHMSL) |
| 4 | Cargo Lamp |
| 5 | Tail/Stop Lamp - Right |
| 6 | Turn Signal Lamp - RR |
| 7 | Backup Lamp - Right |
| 8 | Marker Lamp - RR |
| 9 | License Lamp - Right |
| 10 | License Lamp - Left |
| 11 | Marker Lamp - LR |
| 12 | Backup Lamp - Left |
| 13 | Turn Signal Lamp - LR |
Scheme 17
| Callout | Component Name |
|---|---|
| 1 | Frame |
| 2 | License Lamp Electrical Connector |
| 3 | License Lamp |
Scheme 18
| Callout | Component Name |
|---|---|
| 1 | Marker Lamp - Tail Gate |
| 2 | Tail Gate |
Scheme 19
| Callout | Component Name |
|---|---|
| 1 | Trailer Wiring Connector |
| 2 | Trailer Wiring Receptacle |
| 3 | Frame |
| 4 | Trailer Hitch Receiver |
Ambient Light Sensor Terminal Identification (CJ3) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A WHT 278 Ambient Light Sensor Signal B BLK 279 Ambient Light Sensor Low Reference
Backup Alarm Terminal Identification (8S3) Connector Part Information 15300027 2-Way F Metri-Pack 280 Series Sealed (BLK) Pin Wire Color Circuit No. Function A LT GRN 1624 Trailer Backup Lamp Supply Voltage B BLK 1650 Ground
Backup Lamp Terminal Identification - Left (Chevy) Connector Part Information 12160393 2-Way Lamp Socket Wedge Base W3 Right Angle (LT GRY) Pin Wire Color Circuit No. Function A LT GRN 24 Backup Lamp Supply Voltage B - - Not Available G BLK 1750 Ground BLK 1750 Ground
Backup Lamp Terminal Identification - Left (GMC) Connector Part Information 12160393 2-Way Lamp Socket Wedge Base W3 Right Angle (LT GRY) Pin Wire Color Circuit No. Function A LT GRN 24 Backup Lamp Supply Voltage B - - Not Available G BLK 1750 Ground
Backup Lamp Terminal Identification - Right (Chevy) Connector Part Information 12160393 2-Way Lamp Socket Wedge Base W3 Right Angle (LT GRY) Pin Wire Color Circuit No. Function A LT GRN 24 Backup Lamp Supply Voltage B - - Not Available G BLK 1750 Ground BLK 1750 Ground
Backup Lamp Terminal Identification - Right (GMC) Connector Part Information 12160393 2-Way Lamp Socket Wedge Base W3 Right Angle (LT GRY) Pin Wire Color Circuit No. Function A LT GRN 24 Backup Lamp Supply Voltage B - - Not Available G BLK 1750 Ground
Backup Lamp Terminal Identification - Switch (Manual Trans) Connector Part Information 12103584 2-Way M Weather Pack (BLK) Pin Wire Color Circuit No. Function A PNK 839 Ignition 1 Voltage B GRY 1524 Backup Lamp Supply Voltage
Cargo Lamp/Center High Mounted Stop Lamp (CHMSL) Terminal Identification Connector Part Information 12047785 4-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A ORN 1732 Inadvertent Power Supply Voltage B DK BLU/WHT 149 Cargo Lamp Low Control C LT BLU 1620 Trailer CHMSL Supply Voltage D BLK 1050 Ground
Clearance Lamp Terminal Identification - LF (NYS or E63) Connector Part Information 12052641 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 2509 Left Rear Park Lamps Supply Voltage B BLK 1750 Ground
Clearance Lamp Terminal Identification - LR (NYS or E63) Connector Part Information 12052641 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 2509 Left Rear Park Lamps Supply Voltage B BLK 1750 Ground
Clearance Lamp Terminal Identification - RF (NYS or E63) Connector Part Information 12052641 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN/WHT 2609 Right Rear Park Lamps Supply Voltage B BLK 1750 Ground
Clearance Lamp Terminal Identification - RR (NYS or E63) Connector Part Information 12052641 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN/WHT 2609 Right Rear Park Lamps Supply Voltage B BLK 1750 Ground
Clearance Lamps Terminal Identification - Roof (U01) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 2409 Interior Park Lamps Supply Voltage B BLK 1050 Ground
Courtesy/Reading Lamp Terminal Identification - Rear (Crew Cab w/YE9) Connector Part Information 12047781 3-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A GRY/BLK 690 Courtesy Lamp Supply Voltage B BLK 1050 Ground C ORN 1732 Inadvertent Power Supply Voltage
Daytime Running Lamp (DRL) Terminal Identification - Left (Domestic) Connector Part Information 15354859 2-Way F Lamp Socket BB W-3 (WHT) Pin Wire Color Circuit No. Function A DK BLU 545 DRL Supply Voltage G BLK 150 Ground
Daytime Running Lamp (DRL) Terminal Identification - Left (Export) Connector Part Information 15354865 3-Way F Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A DK BLU 545 DRL Supply Voltage B BRN 2309 Front Park Lamps Supply Voltage G BLK 150 Ground
Daytime Running Lamp (DRL) Terminal Identification - Right (Domestic) Connector Part Information 15354859 2-Way F Lamp Socket BB W-3 (WHT) Pin Wire Color Circuit No. Function A DK BLU 545 DRL Supply Voltage G BLK 150 Ground
Daytime Running Lamp (DRL) Terminal Identification - Right (Export) Connector Part Information 15354865 3-Way F Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A DK BLU 545 DRL Supply Voltage B BRN 2309 Front Park Lamps Supply Voltage G BLK 150 Ground
Dome Lamp Terminal Identification - Rear (Except Crew Cab w/YE9) Connector Part Information 12047781 3-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A GRY/BLK 690 Courtesy Lamps Supply Voltage B BLK 1050 Ground C - - Not Used
Door Courtesy Lamp Terminal Identification - Front Passenger (YE9) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A WHT 156 Courtesy Lamp Low Control B LT BLU 661 Right Door Courtesy Lamp Ground
Door Courtesy Lamp Terminal Identification - LF (YE9) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A DK BLU/WHT 149 Left Door Courtesy Lamp Supply Voltage B LT BLU 660 Left Door Courtesy Lamp Ground
Door Latch Assembly (Door Jamb Switch) Terminal Identification - Driver - C2 Connector Part Information 15366025 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BLK) Pin Wire Color Circuit No. Function A - - Not Available B GRY/BLK 745 Left Front Door Ajar Switch Signal C - - Not Available D BLK 1050 Ground (w/o YE9) BRN 1183 Left Front Door Switch Low Reference (YE9)
Door Latch Assembly (Door Jamb Switch) Terminal Identification - Front Passenger - C2 Connector Part Information 15366027 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BLK) Pin Wire Color Circuit No. Function A DK GRN 1178 Right Front Door Switch Low Reference (w/YE9) BLK 1050 Ground (w/o YE9) B - - Not Available C BLK/WHT 746 Right Front Door Ajar Switch Signal D - - Not Available
Door Latch Assembly (Door Jamb Switch) Terminal Identification - LR - C2 (Crew Cab Only) Connector Part Information 15366025 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BLK) Pin Wire Color Circuit No. Function A - - Not Available B LT BLU/BLK 747 Left Rear Door Ajar Switch Signal C - - Not Available D BLK 1150 Ground
Door Latch Assembly (Door Jamb Switch) Terminal Identification - RR - C2 (Crew Cab Only) Connector Part Information 15366025 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BLK) Pin Wire Color Circuit No. Function A - - Not Available B LT GRN/BLK 748 Right Rear Door Ajar Switch Signal C - - Not Available D BLK 1250 Ground
Fog Lamp Terminal Identification - LF Connector Part Information 12059183 2-Way F Metri-Pack 280 Series Sealed (BLK) Pin Wire Color Circuit No. Function A PPL 34 Fog Lamps Supply Voltage B BLK 150 Ground
Fog Lamp Terminal Identification - LR (T79) Connector Part Information 12160395 3-Way F Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A PPL 122 Off Road Lamps Supply Voltage B - - Not Used G BLK 2250 Ground
Fog Lamp Terminal Identification - RF Connector Part Information 12059183 2-Way F Metri-Pack 280 Series Sealed (BLK) Pin Wire Color Circuit No. Function A PPL 34 Fog Lamps Supply Voltage B BLK 150 Ground
Fog Lamp Terminal Identification - RR (T79) Connector Part Information 12160395 3-Way F Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A PPL 122 Off Road Lamps Supply Voltage B - - Not Used G BLK 2250 Ground
Fog Lamp Switch Rear Terminal Identification (T79) Connector Part Information 15336500 6-Way F Metri-Pack 150.2 Series (GRN) Pin Wire Color Circuit No. Function A - - Not Used B YEL 1977 Rear Fog Lamp Relay and Indicator Control C LT BLU 187 Rear Fog Lamp Switch Signal D BLK/WHT 1851 Ground E PPL/WHT 1382 LED Dimming Supply F BRN/WHT 230 Instrument Panel Lamps Dimming Control
Headlamp - High Beam Terminal Identification - Left (Domestic) Connector Part Information 12059183 2-Way F Metri-Pack 280 Series Sealed (BLK) Pin Wire Color Circuit No. Function A DK GRN/WHT 711 Left Headlamp High Beam Supply Voltage B BLK 550 Ground
Headlamp - High Beam Terminal Identification - Left (Export) Connector Part Information 12059181 2-Way F Metri-Pack 280 Series Sealed (GRY) Pin Wire Color Circuit No. Function A DK GRN/WHT 711 Left Headlamp High Beam Supply Voltage B BLK 550 Ground
Headlamp - High Beam Terminal Identification - Right (Domestic) Connector Part Information 12059183 2-Way F Metri-Pack 280 Series Sealed (BLK) Pin Wire Color Circuit No. Function A LT GRN/BLK 311 Right Headlamp High Beam Supply Voltage B BLK 150 Ground
Headlamp - High Beam Terminal Identification - Right (Export) Connector Part Information 12059181 2-Way F Metri-Pack 280 Series Sealed (GRY) Pin Wire Color Circuit No. Function A LT GRN/BLK 311 Right Headlamp High Beam Supply Voltage B BLK 150 Ground
Headlamp - Low Beam Terminal Identification - Left Connector Part Information 12059181 2-Way F Metri-Pack 280 Series Sealed (GRY) Pin Wire Color Circuit No. Function A YEL 712 Left Headlamp Low Beam Supply Voltage B BLK 550 Ground
Headlamp - Low Beam Terminal Identification - Right Connector Part Information 12059181 2-Way F Metri-Pack 280 Series Sealed (GRY) Pin Wire Color Circuit No. Function A TAN/WHT 312 Right Headlamp Low Beam Supply Voltage B BLK 150 Ground
Headlamp Leveling Actuator Terminal Identification - Left (Export) Connector Part Information 12124971 3-Way F Sealed (BLK) Pin Wire Color Circuit No. Function 1 BLK 150 Ground 2 DK GRN 189 Headlamp Leveling Motor Supply Voltage 3 PNK 639 Ignition 1 Voltage
Headlamp Leveling Actuator Terminal Identification - Right (Export) Connector Part Information 12124971 3-Way F Sealed (BLK) Pin Wire Color Circuit No. Function 1 BLK 150 Ground 2 DK GRN 189 Headlamp Leveling Motor Supply Voltage 3 PNK 639 Ignition 1 Voltage
Headlamp Leveling Switch Terminal Identification (Export) Connector Part Information 12047886 8-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A PNK 639 Ignition 1 Voltage B DK GRN 189 Headlamp Leveling Motor Supply Voltage C BLK 150 Ground D BRN/WHT 230 Instrument Panel Lamps Dimming Control E-H - - Not Used
Headlamp Switch Terminal Identification Connector Part Information 15393872 14-Way F (GRN) Pin Wire Color Circuit No. Function 1 PPL 328 Interior Lamp Defeat Switch Signal 2 GRY/BLK 308 Park Lamp Switch On Signal 3 BLK/WHT 1851 Ground 4 WHT 103 Headlamp Switch Headlamps On Signal 5 DK GRN 588 DRL Switch Signal 6 BLK 1050 Ground 7 PNK 1348 Headlamp ON Indicator Control 8 PPL 359 DRL OFF Indicator Control 9 PPL/WHT 1382 LED Dimming Supply 10 DK BLU/WHT 1495 Courtesy Lamp ON Signal 11 ORN/BLK 2090 Dimming Input 12 GRY/BLK 2226 Dimming Return 13 GRY 1056 5-Volt Reference 14 BRN/WHT 230 Instrument Panel Lamps Dimming Control
Junction Block Terminal Identification - Rear Lamps - C1 Connector Part Information 15305595 8-Way F Global Tech 280 Series (BLU) Pin Wire Color Circuit No. Function A LT BLU 2114 Left Turn Signal Lamps Supply Voltage B LT BLU 1320 CHMSL Supply Voltage C LT GRN 24 Backup Lamp Supply Voltage D BRN/WHT 2609 Right Rear Park Lamps Supply Voltage E BLK 1550 Ground (30 Series Except Chassis Cab) 1650 Ground (30 Series Chassis Cab) 1750 10/20 Series F - - Not Used G BRN 2509 Left Rear Park Lamps Supply Voltage H DK BLU 2115 Right Turn Signal Lamps Supply Voltage
Junction Block Terminal Identification - Rear Lamps - C2 Connector Part Information 15305596 7-Way F Global Tech 280 Series (GRY) Pin Wire Color Circuit No. Function A BLK 1750 Ground B BLK 1750 Ground (Z88) C BLK 1750 Ground (Z88) D LT BLU 1320 CHMSL Supply Voltage E BRN 2509 Left Rear Park Lamps Supply Voltage F DK GRN 24 Backup Lamp Supply Voltage G - - Unavailable H LT BLU 2114 Left Turn Signal Lamps Supply Voltage
Junction Block Terminal Identification - Rear Lamps - C3 Connector Part Information 15305599 8-Way F Global Tech 280 Series (BRN) Pin Wire Color Circuit No. Function A BRN/WHT 2609 Right Rear Park Lamps Supply Voltage B - - Not Used C BLK 1750 Ground D BLK 1750 Ground E BLK 1750 Ground F - - Not Used G BRN 2509 Left Rear Park Lamps Supply Voltage H BLK 1750 Ground
Junction Block Terminal Identification - Rear Lamps - C4 Connector Part Information 15305597 7-Way F Global Tech 280 Series (BLK) Pin Wire Color Circuit No. Function A LT BLU 1320 CHMSL Supply Voltage B BRN 2609 Right Rear Park Lamps Supply Voltage C BLK 1750 Ground D BLK 1750 Ground (Z88) E DK GRN 24 Backup Lamp Supply Voltage F DK BLU 2115 Right Turn Signal Lamps Supply Voltage G - - Unavailable H BLK 1750 Ground (Z88)
License Lamp Terminal Identification - Left Connector Part Information 12110053 Bulb Type W-2, Axial (WHT) Pin Wire Color Circuit No. Function A BRN 2509 Left Rear Park Lamps Supply Voltage B BLK 1750 Ground
License Lamp Terminal Identification - Right Connector Part Information 12110053 Bulb Type W-2, Axial (WHT) Pin Wire Color Circuit No. Function A BRN/WHT 2609 Right Rear Park Lamps Supply Voltage (w/o NYS) 2509 Left Rear Park Lamps Supply Voltage (w/NYS) B BLK 1750 Ground
Marker Lamp Terminal Identification - LF (Domestic) Connector Part Information 12110053 Bulb Type W-2, Axial (GRY) Pin Wire Color Circuit No. Function A LT BLU 2114 Left Turn Signal Lamps Supply Voltage B BRN 2309 Front Park Lamps Supply Voltage
Marker Lamp Terminal Identification - LF (Export) Connector Part Information 12110053 Bulb Type W-2, Axial Pin Wire Color Circuit No. Function A BLK 150 Ground B BRN 2309 Front Park Lamps Supply Voltage
Marker Lamp Terminal Identification - LR (X88) Connector Part Information 12110053 Bulb Type W-2, Axial (GRY) Pin Wire Color Circuit No. Function A BRN - Left Rear Park Lamps Supply Voltage BRN - Left Rear Park Lamps Supply Voltage B DK BLU - Left Turn Signal Lamps Supply Voltage DK BLU - Left Turn Signal Lamps Supply Voltage
Marker Lamp Terminal Identification - RF (Domestic) Connector Part Information 12110053 Bulb Type W-2, Axial (LT GRY) Pin Wire Color Circuit No. Function A DK BLU 2115 Right Turn Signal Lamps Supply Voltage B BRN 2309 Front Park Lamps Supply Voltage
Marker Lamp Terminal Identification - RF (Export) Connector Part Information 12110053 Bulb Type W-2, Axial Pin Wire Color Circuit No. Function A BLK 150 Ground B BRN 2309 Front Park Lamps Supply Voltage
Marker Lamp Terminal Identification - RR (X88) Connector Part Information 12110053 Bulb Type W-2, Axial (GRY) Pin Wire Color Circuit No. Function A BRN - Right Rear Park Lamps Supply Voltage BRN - Right Rear Park Lamps Supply Voltage B DK BLU - Right Turn Signal Lamps Supply Voltage DK BLU - Right Turn Signal Lamps Supply Voltage
Marker Lamp Terminal Identification - Tailgate (NYS or E63) Connector Part Information 12010973 2-Way M Weather Pack (BLK) Pin Wire Color Circuit No. Function A BRN 2609 Right Rear Park Lamps Supply Voltage B BLK 1750 Ground
Multifunction Accessory Switch Terminal Identification Connector Part Information 15393435 10-Way F Micro 64 (BLK) Pin Wire Color Circuit No. Function A PPL/WHT 1382 LED Dimming Supply (w/T96) B DK GRN/WHT 1317 Fog Lamp Relay Control (w/T96) C ORN 192 Front Fog Lamp Switch Signal (w/T96) D BLK/WHT 1851 Ground E BRN/WHT 230 Instrument Panel Lamps Dimming Control F DK BLU/WHT 149 Cargo Lamp Low Control G-K - - Not Used
Park/Turn Signal Lamp Terminal Identification - LF Connector Part Information 15324084 Bulb Type W-3, Right Angle (BRN) Pin Wire Color Circuit No. Function A LT BLU 2114 Left Turn Signal Lamps Supply Voltage B BRN 2309 Front Park Lamps Supply Voltage G BLK 150 Ground
Park/Turn Signal Lamp Terminal Identification - RF Connector Part Information 15324084 Bulb Type W-3, Right Angle (BRN) Pin Wire Color Circuit No. Function A DK BLU 2115 Right Turn Signal Lamps Supply Voltage B BRN 2309 Front Park Lamps Supply Voltage G BLK 150 Ground
Repeater Lamp Terminal Identification - LF (Export) Connector Part Information 12162000 2-Way M Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT BLU 2114 Left Turn Signal Lamps Supply Voltage B BLK 150 Ground
Repeater Lamp Terminal Identification - RF (Export) Connector Part Information 12162000 2-Way M Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A DK BLU 2115 Right Turn Signal Lamps Supply Voltage B BLK 150 Ground
Roof Beacon Relay Terminal Identification (5X7, 5G4, TRW, or 5Y0) Connector Part Information 12110541 6-Way F Metri-Pack 280 Series Flexlock (BLK) Pin Wire Color Circuit No. Function A1 BLK 2650 Ground A2 BRN 27 Hazard Flasher Signal B1-B2 - - Not Used C1 ORN 2340 Battery Positive Voltage C2 WHT 111 Hazard Switch Signal
Roof Beacon Switch Terminal Identification (5X7, 5G4, TRW, or 5Y0) Connector Part Information 12177195 6-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A - - Not Used B BLK 1050 Ground C WHT 111 Hazard Switch Signal D PPL/WHT 1382 LED Dimming Signal E BRN/WHT 230 Instrument Panel Lamp Supply Voltage F ORN 4540 Battery Positive Voltage
Roof Marker Lamp Terminal Identification - Left (U01) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 2409 Interior Park Lamps Supply Voltage B BLK 1050 Ground
Roof Marker Lamp Terminal Identification - Right (U01) Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 2409 Interior Park Lamps Supply Voltage B BLK 1050 Ground
Stop Lamp Switch Terminal Identification Connector Part Information 12040551 6-Way F Metri-Pack 480 Series (BLK) Pin Wire Color Circuit No. Function A WHT 17 Stop Lamp Switch Signal (w/o JF4) DK GRN/WHT 1135 A/T Shift Lock Control Solenoid Supply Voltage (w/JF4) B ORN 1540 Battery Positive Voltage (w/o JF4) LT GRN/BLK 584 A/T Shift Lock Control Switch Supply Voltage (w/JF4) C BRN 441 Ignition 3 Voltage D PPL 420 TCC Brake Switch Signal E LT GRN/BLK 584 A/T Shift Lock Control Switch Supply Voltage (w/o JF4) ORN 1540 Battery Positive Voltage (w/JF4) F DK GRN/WHT 1135 A/T Shift Lock Control Solenoid Supply Voltage (w/o JF4) WHT 17 Stop Lamp Switch Signal (w/JF4)
Sunload Sensor Terminal Identification (CJ2) Connector Part Information 12064760 4-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT BLU/BLK 590 Driver Sunload Sensor Signal B GRY 1548 Passenger Sunload Sensor Signal C BLK 279 Ambient Light Sensor Low Reference D WHT 278 Ambient Light Sensor Signal
Tail/Stop Lamp Terminal Identification - Left (Chevy) Connector Part Information 12160395 3-Way Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A LT BLU 1320 Stop Lamp Supply Voltage B BRN 2509 Left Rear Park Lamps Supply Voltage G BLK 1750 Ground
Tail/Stop Lamp Terminal Identification - Left (GMC) Connector Part Information 12160395 3-Way Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A LT BLU 1320 Stop Lamp Supply Voltage B BRN 2509 Left Rear Park Lamps Supply Voltage G BLK 1750 Ground
Tail/Stop Lamp Terminal Identification - Right (Chevy) Connector Part Information 12160395 3-Way Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A LT BLU 1320 Stop Lamp Supply Voltage B BRN/WHT 2509 Right Rear Park Lamps Supply Voltage G BLK 1750 Ground
Tail/Stop Lamp Terminal Identification - Right (GMC) Connector Part Information 12160395 3-Way Lamp Socket Wedge Base W3 Right Angle (GRY) Pin Wire Color Circuit No. Function A LT BLU 1320 Stop Lamp Supply Voltage B BRN/WHT 2609 Right Rear Park Lamps Supply Voltage G BLK 1750 Ground
Turn Signal Terminal Identification - LR (Chevy) Connector Part Information 12160394 2-Way Lamp Socket Wedge Base W3 Right Angle (WHT) Pin Wire Color Circuit No. Function A LT BLU 2114 Left Turn Signal Lamps Supply Voltage B - - Unavailable G BLK 1750 Ground BLK 1750 Ground
Turn Signal Terminal Identification - LR (GMC) Connector Part Information 12160394 2-Way Lamp Socket Wedge Base W3 Right Angle (WHT) Pin Wire Color Circuit No. Function A LT BLU 2114 Left Turn Signal Lamps Supply Voltage B - - Not Used G BLK 1750 Ground
Turn Signal Terminal Identification - RR (Chevy) Connector Part Information 12160394 2-Way Lamp Socket Wedge Base W3 Right Angle (NAT) Pin Wire Color Circuit No. Function A LT BLU 2114 Right Turn Signal Lamps Supply Voltage B - - Unavailable G BLK 1750 Ground BLK 1750 Ground
Turn Signal Terminal Identification - RR (GMC) Connector Part Information 12160394 2-Way Lamp Socket Wedge Base W3 Right Angle (WHT) Pin Wire Color Circuit No. Function A LT BLU 2115 Right Turn Signal Lamps Supply Voltage B - - Unavailable G BLK 1750 Ground
Turn Signal Multifunction Switch Terminal Identification - C1 Connector Part Information 12064862 8-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT GRN 1427 Right Turn Signal Switch Signal B PNK 639 Ignition 1 Voltage C DK GRN 1428 Left Turn Signal Switch Signal D-F - - Not Used G BLK/YEL 28 Horn Relay Control H WHT 111 Hazard Switch Signal
Turn Signal Multifunction Switch Terminal Identification - C2 Connector Part Information 12059800 5-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A TAN 1851 Ground B YEL 307 Headlamp Switch Flash to Pass Signal C LT GRN/BLK 11 Headlamp Dimmer Switch Signal D-E - - Not Used
Turn Signal Multifunction Switch Terminal Identification - C3 Connector Part Information 15339058 7-Way F Metri-Pack 150 Series (GRY) Pin Wire Color Circuit No. Function G - - Not Used H PNK 94 Windshield Wiper Switch Signal 1 J GRY 478 Windshield Wiper Switch Supply Voltage K DK BLU/WHT 477 Windshield Wiper Switch High Signal L-N - - Not Used
Turn Signal Multifunction Switch Terminal Identification - C4 (K34) Connector Part Information 12047786 4-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 341 Ignition 3 Voltage B GRY/WHT 397 Cruise Control On Switch Signal C GRY/BLK 87 Cruise Control Resume/Accel Switch Signal D DK BLU 84 Cruise Control Set/Coast Switch Signal
Trailer Connector Terminal Identification - Heavy Duty Connector Part Information 15354653 7-Way F Metri-Pack 280 Series Sealed (BLK) Pin Wire Color Circuit No. Function A LT GRN 1624 Trailer Backup Lamps Supply Voltage B BLK 1550 Ground (30 Series Except Chassis Cab) 1650 Ground (30 Series Chassis Cab) 1750 Ground (10/20 Series) C DK BLU 47 Trailer Auxiliary Supply Voltage D DK GRN 1619 Trailer Right Rear Turn/Stop Lamp Supply Voltage E RED 742 Battery Positive Voltage F BRN 2109 Trailer Park Lamps Supply Voltage G YEL 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage
Vanity Mirror Lamp Terminal Identification - Left (Y91) Connector Part Information 12047663 2-Way M Metri-Pack 150 Series Sealed (BLK) Pin Wire Color Circuit No. Function A ORN 1732 Inadvertent Power Supply Voltage B BLK 1050 Ground
Vanity Mirror Lamp Terminal Identification - Right (Y91) Connector Part Information 12047663 2-Way M Metri-Pack 150 Series Sealed (BLK) Pin Wire Color Circuit No. Function A ORN 1732 Inadvertent Power Supply Voltage B BLK 1050 Ground
Begin the system diagnosis with the Diagnostic System Check - Lighting Systems . The Diagnostic System Check will provide the following information
- The identification of the control module(s) which command the system.
- The ability of the control module(s) to communicate through the serial data circuit.
- The identification of any stored diagnostic trouble codes (DTCs) and their status.
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.