GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Cell 102: Underhood Bussed Electrical Center, DRL Lights


Object Number: 297940  Size: FS
Lighting Systems Components
Headlights/Daytime Running Lights (DRL) Circuit Description
Cell 102: Snowplow Option
Handling ESD Sensitive Parts Notice
Cell 10: Underhood Bussed Electrical Center, Secondary Air Injection Pump Relay
Cell 10: A/C Compressor Relay, Auxiliary Power Outlet
Cell 14: RH Fog Lamp, RH Park/Turn Lamp
Cell 14: RH Fog Lamp, RH Park/Turn Lamp
Figure 2:

Cell 102: Snowplow Option


Object Number: 297946  Size: FS
Lighting Systems Components
Headlights/Daytime Running Lights (DRL) Circuit Description
Cell 102: Underhood Bussed Electrical Center, DRL Lights
Handling ESD Sensitive Parts Notice
Cell 10: Underhood Bussed Electrical Center, Secondary Air Injection Pump Relay
Cell 10: A/C Compressor Relay, Auxiliary Power Outlet
Cell 14: RH Fog Lamp, RH Park/Turn Lamp
Cell 14: RH Fog Lamp, RH Park/Turn Lamp