GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series (Crew) C6/C7/C8
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Accessories
🢒
Entertainment
🢒 Radio/Audio System Schematics
Figure
1:
Radio
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers
CHMSL, PWR POST, and RADIO/CHIME FuseS/Circuit Breakers
CHMSL, PWR POST, and RADIO/CHIME FuseS/Circuit Breakers
Interior Dimming Lamps System
G103 - 1 of 2, G105, and G106
Splice Pack SP203 (L18/LB7/LG4/LLY)
Figure
2:
Speakers
Master Electrical Component List
Radio/Audio System Description and Operation
Radio