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

Ground, Power, and RAP Relay


Object Number: 815371  Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Data Link, Door Locks, and Door Lock Switches
Junction Block-Underhood (Top) Bussing
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
A/C RLY (CMPR), AIR PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
G201 (1 of 2)
G201 (1 of 2)
G201 (1 of 2)
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
Figure 2:

Data Link, Door Locks, and Door Lock Switches


Object Number: 789083  Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Ground, Power, and RAP Relay
DLC Schematics
G203 (1 of 3)
G203 (2 of 3)