GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Tahoe - 2WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlights Twilight Sentinel/Daytime Running Lights (DRL) Schematics

Headlights Twilight Sentinel/Daytime Running Lights (DRL) Schematics Luxury

Figure 1:

Cell 101: DRL Module, DRL Relay, Headlamps
Object Number: 366358 Size: FS
Lighting Systems Components
Twilight Sentinel Circuit Description
Cell 101: Headlamp and Panel Dimmer Switch, Headlamp Control Module
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 101: Headlamp and Panel Dimmer Switch, Headlamp Control Module
Cell 10: GAUGES Fuse
Cell 101: Headlamp and Panel Dimmer Switch, Headlamp Control Module
Cell 103: Fog Lamp Switch, Relay and Lamps
Cell 10: LIGHTING and BATTERY Fuses
Cell 10: IGN A Fuse and Ignition Switch
Indicator Lamps
Indicator Lamps
Cell 103: Fog Lamp Switch, Relay and Lamps
Ignition Switch, DRL Module, G105 and G200
Cell 14: G200 (1 of 4)
Cell 14: G112
Cell 14: G113
Cell 101: Headlamp and Panel Dimmer Switch, Headlamp Control Module
Figure 2:

Cell 101: Headlamp and Panel Dimmer Switch, Headlamp Control Module
Object Number: 366359 Size: FS
Handling ESD Sensitive Parts Notice
Cell 101: DRL Module, DRL Relay, Headlamps
Twilight Sentinel Circuit Description
Lighting Systems Components
Cell 10: LIGHTING and BATTERY Fuses
Fuses, Headlamp and Panel Dimmer Switch and Window Switches
Cell 101: DRL Module, DRL Relay, Headlamps
Fuses, Headlamp and Panel Dimmer Switch and Window Switches
Cell 14: G202 (2 of 4)
Cell 101: DRL Module, DRL Relay, Headlamps
Cell 10: LIGHTING and BATTERY Fuses
Cell 101: DRL Module, DRL Relay, Headlamps
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice