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

Park Brake Control Module Power and IP Indicators


Object Number: 651163  Size: FS
Master Electrical Component List
Park Brake System Description and Operation
Park Brake Pump Motor Power and Grounds
IGN SW Circuit Breakers (2 of 4)
Headlamps, Park Brake Control Ground Circuits
DR LK/WDO, DR LK, WDO PRK BRK AUX BATT, AUX IGN, Circuit Breakers
Park Brake Pump Motor Power and Grounds
Figure 2:

Park Brake Pump Motor Power and Grounds


Object Number: 651165  Size: FS
Master Electrical Component List
Park Brake System Description and Operation
Park Brake Control Module Power and IP Indicators
Park Brake Control Module Power and IP Indicators
S219
Park Brake, Trans/Trlr, Trlr, PWDWDO/LKS, ABS Fuses
S402, S409, S411, S413, S414
CHAS, Axle, Circuit Breakers
G11 (L18), G101 (LG5)
CHAS, Axle, Circuit Breakers