GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1985
🢒
Evaluator
🢒
Body
🢒
Wiring Systems
🢒 Power Distribution Schematics
Figure
1:
B+ Bussing
Master Electrical Component List
Power Distribution (Underhood Fuse Block - RBEC Batt 1 Fuse and Feeds)
Figure
2:
Underhood Fuse Block -- RBEC Fuse, Rear Fuse Block -- Cigar/Aux Power, Sunroof, RKE/XM/DVD/UGD, Stop Lp, Rear Defog, HTD Mirror, AUX PWR, HTD Seat Fuses
Master Electrical Component List
Power Distribution (Underhood Fuse Block-Run Relay, and RBEC Batt 2)
Power Distribution (B+ Bussing)
Power Distribution (B+ Bussing)
Figure
3:
Underhood Fuse Block -- Run Relay, RBEC Batt 2 Fuses, Rear Fuse Block -- Driver Pwr Seat, Fuel Pump, Park Lamps, Trunk Release, ERLS Fuses
Master Electrical Component List
Power Distribution (PCM BATT, ABS, EPS, ICBM Batt1, ICBM Batt2 Fuses)
Power Distribution (Underhood Fuse Block - RBEC Batt 1 Fuse and Feeds)
Power Distribution (B+ Bussing)
Figure
4:
PCM Batt, ABS, EPS, ICBM Batt1, ICBM Batt2 Fuses
Master Electrical Component List
Power Distribution (Headlamp Fuses)
Power Distribution (Underhood Fuse Block-Run Relay, and RBEC Batt 2)
Power Distribution (B+ Bussing)
Figure
5:
Low Beam Lt, Low Beam Rt, High Beam Lt, High Beam Rt Fuses
Master Electrical Component List
Power Distribution (Run Crank Relay Feeds)
Power Distribution (PCM BATT, ABS, EPS, ICBM Batt1, ICBM Batt2 Fuses)
Power Distribution (B+ Bussing)
Figure
6:
Run/Crank ICBM, Transmission, Injectors, ABS, PCM IGN, IGN Fuses
Master Electrical Component List
Power Distribution (AIR, A/C Clutch, ECT IGN, ERLS#1 Fuses)
Power Distribution (Headlamp Fuses)
Power Distribution (B+ Bussing)
Figure
7:
AIR, A/C Clutch, ECT IGN, ERLS#1 Fuses
Master Electrical Component List
Power Distribution (Underhood Junction Block - ICBM Batt2 Fuse feeds)
Power Distribution (Run Crank Relay Feeds)
Power Distribution (B+ Bussing)
Figure
8:
Underhood Junction Block -- ICBM Batt2, BCM -- PWR Windows, Wiper Sw, Sunroof/HTD Seat Fuses
Master Electrical Component List
Power Distribution (Run Relay and Run/Crank Relay Feeds)
Power Distribution (AIR, A/C Clutch, ECT IGN, ERLS#1 Fuses)
Power Distribution (B+ Bussing)
Power Distribution (Int Lights, PWR Mirror, Pedal, OnStar Fuses)
Figure
9:
Underhood Junction Block -- Run Relay, Run/Crank IBCM, HVAC Blower, HVAC Head/ECC, EPS, AIR BAG IGN, Run/Crank ELEC Fuses
Master Electrical Component List
Power Distribution (Int Lights, PWR Mirror, Pedal, OnStar Fuses)
Power Distribution (Underhood Junction Block - ICBM Batt2 Fuse feeds)
Power Distribution (B+ Bussing)
Figure
10:
Interrior lights, Pwr Mirror, Pedal, OnStar Fuses
Master Electrical Component List
Power Distribution (Underhood Junction Block - ICBM Batt Fuse feeds)
Power Distribution (Run Relay and Run/Crank Relay Feeds)
Power Distribution (Underhood Junction Block - ICBM Batt2 Fuse feeds)
Figure
11:
Underhood Junction Block -- IBCM Batt 1, BCM -- Radio/RFA, Ignition Sensor, HVAC BATT, Cluster/Theft, Air Bag Batt Fuses
Master Electrical Component List
Power Distribution (Int Lights, PWR Mirror, Pedal, OnStar Fuses)
Power Distribution (B+ Bussing)