Interior Lights Dimming Schematics. GMC Truck Envoy - 4WD 2001

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Interior Lights Dimming Schematics

Figure 1:	Headlamp Switch Master Electrical Component List Interior Lighting Systems Description and Operation ILLUM Fuse 12 AUX PWR, RDO BATT and HDLP SW Fuses B+ Bus Bar Headlamp Grounding Relay and BCM (Except Envoy) Headlamp Switch and BCM (Envoy/Diamond Edition 1SK) Headlamp Switch, Ambient Light Sensor and BCM Headlamp Switch, Ambient Light Sensor and BCM G203 and G204 (Pickup) Headlamp Switch, Ambient Light Sensor and BCM Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup) ILLUM Fuse 12 G203 and G204 (Pickup)
Figure 2:	ILLUM Fuse 12 Master Electrical Component List Interior Lighting Systems Description and Operation Steering Wheel Controls Headlamp Switch Steering Wheel Controls Headlamp Switch Instrument Panel Cluster, BCM, and Automatic Transmission Indicators Steering Wheel Controls Instrument Panel Cluster, BCM, and Automatic Transmission Indicators G203 and G204 (Pickup) G203 and G204 (Pickup) G203 and G204 (Pickup) Headlight Leveling Schematics (Export) G203 and G204 (Pickup)
Figure 3:	Steering Wheel Controls Master Electrical Component List Interior Lighting Systems Description and Operation Instrument Panel Cluster, BCM, and Automatic Transmission Indicators ILLUM Fuse 12 ILLUM Fuse 12 ILLUM Fuse 12 G200, G201 and G207 (Utility) G200, G201 and G207 (Utility)
Figure 4:	Instrument Panel Cluster, BCM, and Automatic Transmission Indicators Master Electrical Component List Interior Lighting Systems Description and Operation Steering Wheel Controls ILLUM Fuse 12 ILLUM Fuse 12 ILLUM Fuse 12 ILLUM Fuse 12 G203 and G204 (Pickup) Automatic Transmission Preference Switch G200, G201 and G207 (Utility) G200, G201 and G207 (Utility) G200, G201 and G207 (Utility) G203 and G204 (Pickup)