GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
TopKick C-Series Commercial (Cutaway) C4/C5
🢒
Brakes
🢒
Hydraulic Brakes
🢒 Brake Warning System Schematics
Figure
1:
Hydraulic
Master Electrical Component List
Brake Warning System Description and Operation
Brake Booster Pump
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
Power and Indicators
Splice Pack SP203 (L18/LB7/LG4/LLY)
G101 - 1 of 2
G203 - 2 of 4
Figure
2:
Brake Booster Pump
Master Electrical Component List
Brake Warning System Description and Operation
Module Power, Ground, Serial Data, and MIL
Ignition Switch - OFF/RUN/START, RUN/START and START Bus Bars
BATT/HAZ, HAZARD, PWR ACCY, STOP, and TRLR TRN/HAZ Fuses/Circuit Breakers
GAUGES, L-RR TRUCK, R-RR TRUCK, and SIR Fuses/Circuit Breakers
BRAKE ISO Fuse/Circuit Breaker
Driver Information Center (DIC)
Stop Lamp Switch
G200, G202, and G203 - 1 of 4
