Schematic and Routing Diagrams

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Headlights/Daytime Running Lights (DRL) Schematics (Headlamp Switch, Ambient Light Sensor & BCM)

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Fig 2: Headlights/Daytime Running Lights (DRL) Schematics (DRL & Headlamp Power Relays)

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Fig 3: Headlights/Daytime Running Lights (DRL) Schematics (Headlamp Grounding Relay & BCM)

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Fig 4: Headlights/Daytime Running Lights (DRL) Schematics (Flash-To-Pass Switch, DRL Relay (ZR2) & BCM)

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Fig 5: Fog Lights Schematics (Front)

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Fig 6: Fog Lights Schematics (Rear Export)

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Fig 7: Headlight Leveling Schematics

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Fig 8: Exterior Lights Schematics (Center High Mounted Stop Lamp)

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Fig 9: Exterior Lights Schematics (Multifunction Switch & Turn Signal Lamp Flasher)

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Fig 10: Exterior Lights Schematics (Instrument Cluster Turn Signal Indicators)

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Fig 11: Exterior Lights Schematics (Turn Signal Fuses)

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Fig 12: Exterior Lights Schematics (Park/Turn Signal Lamps, Market Lamps & Turn Signal Fuses, Front)

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Fig 13: Exterior Lights Schematics (Park Lamp Control)

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Fig 14: Exterior Lights Schematics (Park/Turn Signal Lamp, Marker & License Lamps, Rear - Pickup)

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Fig 15: Exterior Lights Schematics (Park & License Lamps, Rear - Utility)

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Fig 16: Exterior Lights Schematics (Tail, Stop & License Lamps - Export)

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Fig 17: Exterior Lights Schematics (Backup Lamps - Utility)

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Fig 18: Exterior Lights Schematics (Backup Lamps - Pickup)

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Fig 19: Interior Lights Schematics (Headlamp Switched Interior Lamps)

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Fig 20: Interior Lights Schematics (CTSY LP Fuse & Courtesy Lamp Relay)

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Fig 21: Interior Lights Schematics (Inadvertent Power Relay & Front Door Jamb Switches)

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Fig 22: Interior Lights Schematics (Rear Door Jamb & Liftglass Ajar Jamb Switches)

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Fig 23: Interior Lights Schematics (Inside Rearview Mirror Or Driver Information Center)

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Fig 24: Interior Lights Schematics (Driver Information Center (Utility W/O Sunroof))

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Fig 25: Interior Lights Schematics (Driver Information Display Module (Utility W/ Sunroof))

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Fig 26: Interior Lights Dimming Schematics (Headlamp Switch)

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Fig 27: Interior Lights Dimming Schematics (ILLUM Fuse 12)

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Fig 28: Interior Lights Dimming Schematics (Steering Wheel Controls)

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Fig 29: Interior Lights Dimming Schematics (LED Dimming Signal)

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Fig 30: Interior Lights Dimming Schematics (Instrument Panel Cluster, BCM & Automatic Transmission Indicators)

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