Lighting Systems
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Lighting Systems Component Views
- Lighting Systems Connectors
- Ambient Light Sensor (CJ3)
- Backup Lamp - Left (Z88)
- Backup Lamp - Right (Z88)
- Cargo Lamp
- Center High Mounted Stop Lamp (CHMSL)
- Cornering Lamp - Left (Z88/W49)
- Cornering Lamp - Right (Z88/W49)
- Courtesy/Reading Lamp - Center
- Courtesy/Reading Lamp - Front
- Fog Lamp - LF (Except W49 w/T96)
- Fog Lamp - LF (W49 w/T96)
- Fog Lamp - RF (Except W49 w/T96)
- Fog Lamp - RF (W49 w/T96)
- Headlamp - High Beam - Left
- Headlamp - High Beam - Right
- Headlamp Leveling Actuator - Left (TR6)
- Headlamp Leveling Actuator - Right (TR6)
- Headlamp - Low Beam - Left
- Headlamp - Low Beam - Right
- Headlamp Switch C1
- Headlamp Switch C2
- License Lamp - Left
- License Lamp - Right
- Liftglass Ajar Switch
- Marker Lamp - LF (X88)
- Marker Lamp - LF (Z88/Z89/W49)
- Marker Lamp - RF (X88)
- Marker Lamp - RF (Z88/Z89/W49)
- Park Lamp - LF (W49)
- Park Lamp - RF (W49)
- Park/Turn Signal Lamp - LF (X88)
- Park/Turn Signal Lamp - LF (Z88/Z89)
- Park/Turn Signal Lamp - RF (X88)
- Park/Turn Signal Lamp - RF (Z88/Z89)
- Stop Lamp Switch
- Tail Lamp Circuit Board - Left (w/T84)
- Tail Lamp Circuit Board - Left (w/o T84)
- Tail Lamp Circuit Board - Right (w/T85)
- Tail Lamp Circuit Board - Right (w/o T85)
- Trailer Connector (UY7)
- Turn Signal/Hazard Flasher Module
- Turn Signal Lamp - LF (W49)
- Turn Signal Lamp - RF (W49)
- Turn Signal/Multifunction Switch C1
- Turn Signal/Multifunction Switch C2
- Turn Signal/Multifunction Switch C3
- Turn Signal/Multifunction Switch C4 (K34)
- Vanity Mirror Lamp - Left (DH2)
- Vanity Mirror Lamp - Right (DH2)
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B0951
- DTC B1480
- DTC B2527
- DTC B2530
- DTC B2540
- DTC B2550
- DTC B2575
- DTC B2580
- DTC B2585
- DTC B2610
- DTC B2615
- DTC B2620
- DTC B2625
- DTC B2645
- DTC B3801
- DTC B3802
- Symptoms - Lighting Systems
- Backup Lamps Always On
- Backup Lamps Inoperative
- Clearance Lamps Inoperative
- Cornering Lamps Always On
- Cornering Lamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps (DRL) Defeat Inoperative
- Daytime Running Lamps (DRL) Inoperative
- Daytime Running Lamps (DRL) On with Park Brake Applied
- Fog Lamp Indicator Inoperative
- Fog Lamps Always On
- Fog Lamps Inoperative
- Rear Fog Lamps Always On
- Rear Fog Lamps Inoperative
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamp Switch On Indicator Always On
- Headlamp Switch On Indicator Inoperative
- Headlamps Always On - Low or High Beam (Standard)
- Headlamps Inoperative - High Beams
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - Flash to Pass
- Headlight Leveling Inoperative
- High Beam Indicator Always On
- High Beam Indicator Inoperative
- Interior Backlighting Does Not Dim
- Interior Backlighting Inoperative
- License Lamps Inoperative
- Marker Lamps Inoperative
- Memory/Heated Seat Switch Backlighting Inoperative
- Park Lamps Inoperative
- Stop Lamps Always On
- Stop Lamps Inoperative
- Tail Lamps Inoperative
- Tail, Marker and License Lamps Always On
- Tail, Marker and License Lamps Inoperative
- Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative
- Vanity Mirror Lamp(s) Inoperative
- Repair Instructions
- Stop Lamp Switch Replacement
- Headlamp Housing Panel Replacement (Envoy, Rainier)
- Headlamp Housing Panel Replacement (TrailBlazer)
- Headlamp Switch Replacement
- Ambient Light Sensor Replacement
- Hazard and Turn Signal Flasher Replacement
- Dome and Reading Lamp Bulb Replacement
- Vanity Mirror Lamp Bulb Replacement
- Headlamp Replacement (Envoy)
- Headlamp Replacement (Rainier)
- Headlamp Replacement (TrailBlazer)
- Headlamp Bulb Replacement (Envoy, Rainier)
- Headlamp Bulb Replacement (TrailBlazer)
- Headlamp Aiming
- Front Fog Lamp Replacement (Envoy, TrailBlazer)
- Front Fog Lamp Replacement (Rainier)
- Front Fog Lamp Replacement (TrailBlazer SS)
- Front Fog Lamp Bulb Replacement
- Fog Lamp Aiming
- Park/Turn Signal/Side Marker Lamp Bulb Replacement (Envoy)
- Park/Turn Signal/Side Marker Lamp Bulb Replacement (Rainier)
- Park/Turn Signal/Side Marker Lamp Bulb Replacement (TrailBlazer)
- Cornering Lamp Replacement
- Cornering Lamp Bulb Replacement (Envoy)
- Cornering Lamp Bulb Replacement (Rainier)
- Clearance Lamp Replacement
- High Mounted Stop Lamp Replacement (Envoy, TrailBlazer, Rainier)
- Backup Lamp Replacement (GMC)
- Backup Lamp Bulb Replacement (GMC)
- Rear License Lamp Replacement
- Tail Lamp Replacement (Isuzu)
- Tail Lamp Replacement (TrailBlazer)
- Tail Lamp Bulb Replacement
- Tail Lamp Circuit Board Replacement
- Description and Operation