GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Saturn
🢒
2008
🢒
AURA
🢒
Engine
🢒
Engine Electrical
🢒 Power Distribution Schematics
Figure
1:
B+ Bus
Master Electrical Component List
Control Module References
Underhood Fuse Block IBCM1, Body Control Module (BCM) Airbag (BATT), Cluster/Theft, HVAC CTRL (BATT), IGN Sensor and Radio Fuses
Figure
2:
Underhood Fuse Block IBCM 1, Body Control Module (BCM) AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block RBEC1 and Rear Fuse Block AUX PWR 32, BCK/UP Lamps, Cig/AUX, HTD Mir, HTD Seat, RKE/XM/DVD/UGD RR Defog, and S/Roof Fuses
B+ Bus
Figure
3:
Underhood Fuse Block RBEC 1 and Rear Fuse Block, BCK/UP LAMPS, CIG/AUX, HTD MIR, HTD SEAT, RKE/XM/DVD/UGD RR DEFOG and S/ROOF Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block RUN RLY, RBEC2, Body Control Module (BCM), HVAC BLOWER, HVAC CTRL (IGN) Rear Fuse Block, DRV ST, EMISSION 2, FUEL PUMP, PARK LAMPS and TRUNK Fuses
Underhood Fuse Block IBCM1, Body Control Module (BCM) Airbag (BATT), Cluster/Theft, HVAC CTRL (BATT), IGN Sensor and Radio Fuses
Figure
4:
Underhood Fuse Block RUN RLY, RBEC2, Body Control Module (BCM), HVAC BLOWER, HVAC CTRL (IGN) Rear Fuse Block, DRV ST, EMISSION 2, FUEL PUMP, PARK LAMPS and TRUNK Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block DRL, HI/BEAM and LO/BEAM Relays, ABS, DRL, EPS, IBCM 1, IBCM 2, LT HI BEAM, LT Low BEAM, RT HI BEAM, RT LOW BEAM, PCM and TCM Fuses
Underhood Fuse Block RBEC1 and Rear Fuse Block AUX PWR 32, BCK/UP Lamps, Cig/AUX, HTD Mir, HTD Seat, RKE/XM/DVD/UGD RR Defog, and S/Roof Fuses
Figure
5:
Underhood Fuse Block DRL, HI/BEAM and LO/BEAM Relays, ABS, DRL, EPS, IBCM1, IBCM2, LT HI BEAM, LT LOW BEAM, RT HI BEAM, RT LOW BEAM, PCM and TCM Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block RUN/Crank Relay, ABS, IGN 1, INJ, PCM IGN 1 and TRANS Fuses
Underhood Fuse Block RUN RLY, RBEC2, Body Control Module (BCM), HVAC BLOWER, HVAC CTRL (IGN) Rear Fuse Block, DRV ST, EMISSION 2, FUEL PUMP, PARK LAMPS and TRUNK Fuses
Figure
6:
Underhood Fuse Block RUN/CRANK Relay, ABS, IGN 1, PCM IGN 1 and TRANS Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1 and ETC Fuses
Underhood Fuse Block DRL, HI/BEAM and LO/BEAM Relays, ABS, DRL, EPS, IBCM 1, IBCM 2, LT HI BEAM, LT Low BEAM, RT HI BEAM, RT LOW BEAM, PCM and TCM Fuses
Figure
7:
Underhood Fuse Block A/C CLUTCH and PWR/TRN Relays, A/C CLU, EMISSION 1 and ETC Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block IBCM 2, BATTERY SENSE, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT, and WIPER SW Fuses
Underhood Fuse Block RUN/Crank Relay, ABS, IGN 1, INJ, PCM IGN 1 and TRANS Fuses
Figure
8:
Underhood Fuse Block IBCM 2, BATTERY SENSE, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT and WIPER SW Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block IBCM (Run/Crank) Fuse, Body Control Module (BCM) Air Bag (IGN), EPS and Run/Crank Fuses
Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1 and ETC Fuses
Figure
9:
Underhood Fuse Block IBCM (RUN/CRANK) Fuse, Body Control Module (BCM) AIR BAG (IGN), EPS and RUN/CRANK Fuses
Master Electrical Component List
Control Module References
Body Control Module (BCM), Interior Lights, OnStar, Pedal and Power Mirrors Fuses
Underhood Fuse Block IBCM 2, BATTERY SENSE, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT, and WIPER SW Fuses
Figure
10:
Body Control Module (BCM), Interior Lights, Onstar, Pedal and Power Mirrors Fuses
Master Electrical Component List
Control Module References
Underhood Fuse Block IBCM (Run/Crank) Fuse, Body Control Module (BCM) Air Bag (IGN), EPS and Run/Crank Fuses