GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Savana
🢒 Power, Ground, Serial Data, Antenna and Front Speaker Outputs
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Power, Ground, Serial Data, Antenna and Front Speaker Outputs for GMC Truck Savana 2004
Power, Ground, Serial Data, Antenna and Front Speaker Outputs
Master Electrical Component List
Radio/Audio System Description and Operation
Rear Speaker Outputs - UK6
B+ Bus - Underhood Fuse Block
TBC, TBC 2, TBC 3, TBC 4, RADIO BAT, RR DEF/HTD MIR, FLASHER and RFA Fuses, PWR SEAT Circuit Breaker
Data Link Connector (DLC)
OnStar Schematics
G303 and G304
