Power Distribution Schematics. Buick LaCrosse 2005

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2005 🢒 LaCrosse 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Power Distribution Schematics

Figure 1:	Fuse Block - Underhood B+ Bus Master Electrical Component List Control Module References Ignition Switch
Figure 2:	Ignition Switch Master Electrical Component List Control Module References Fuse Block - Underhood BATT MAIN 1 Fuse, Fuse Block - I/P PK LAMPS, DISPLAYS, CHMSL/BKUP, INT LIGHT, RFA/MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, and CANISTER Fuses and PK LP Relay Fuse Block - Underhood B+ Bus
Figure 3:	BATT MAIN 1, CHMSL/BKUP, CLSTR, CNSTR, HVAC, INT/ILLUM, ONSTAR/ALDL, PRK/LAMP, RDO/AMP, RFA/MOD Fuses Master Electrical Component List Control Module References Fuse Block - Underhood BATT MAIN 2 Fuse, Fuse Block - I/P HTD SEAT, PWR MIRS, TURN/HAZ, DR LK/TRUNK, PRKSW, and SUN ROOF Fuses, PWR SEAT and PWR WDO Circuit Breakers, and RAP Relay Ignition Switch SIR Caution for Zoning
Figure 4:	BATT MAIN 2, DR/LCK TRUNK, HAZRD, HTD/SEAT, PRK/SWITCH, PWR/MIR, S/ROOF Fuses and PWR/SEAT, PWR/WNDW Circuit Breakers Master Electrical Component List Control Module References Fuse Block - Underhood BATT MAIN 3, BATT MAIN 4, ABS MTR, ABS SOL, PCM/ETC, TCM, WASHER/RVC, AUX PWR, and AIR PUMP Fuses, Fuse Block- I/P REAR WINDOW DEFOGGER Relay and HTD MIRROR Fuse Fuse Block - Underhood BATT MAIN 1 Fuse, Fuse Block - I/P PK LAMPS, DISPLAYS, CHMSL/BKUP, INT LIGHT, RFA/MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, and CANISTER Fuses and PK LP Relay Fuse Block - Underhood B+ Bus
Figure 5:	BATT MAIN 3, AIR PUMP, AUX PWR, BATT MAIN 4, ABS MTR, ABS SOL, PCM/ETC, TCM, WASHER/RVC Fuses Master Electrical Component List Control Module References Fuse Block - Underhood ABS, TRANS SOL, PCM, SIR, and DISPLAY Fuses, CRANK Relay, and Fuse Block - I/P CRUISE SW Fuse Fuse Block - Underhood BATT MAIN 2 Fuse, Fuse Block - I/P HTD SEAT, PWR MIRS, TURN/HAZ, DR LK/TRUNK, PRKSW, and SUN ROOF Fuses, PWR SEAT and PWR WDO Circuit Breakers, and RAP Relay Fuse Block - Underhood B+ Bus Defogger Schematics
Figure 6:	ABS, DISPLAY, PCM, SIR, SOL, TRANS Fuses, CRUISE (FUSE BLOCK - I/P) Master Electrical Component List Control Module References Fuse Block - Underhood ETC, ELEK IGN (L26), FUEL INJ (L26), 02 SSR (L26), and EMISSION Fuses Fuse Block - Underhood BATT MAIN 3, BATT MAIN 4, ABS MTR, ABS SOL, PCM/ETC, TCM, WASHER/RVC, AUX PWR, and AIR PUMP Fuses, Fuse Block- I/P REAR WINDOW DEFOGGER Relay and HTD MIRROR Fuse Fuse Block - Underhood B+ Bus SIR Caution for Zoning SIR Caution for Zoning SIR Caution for Zoning SIR Caution for Zoning
Figure 7:	Fuse Block - Underhood ETC, ELEK IGN (L26), FUEL INJ (L26), 02 SSR (L26), and EMISSION Fuses Master Electrical Component List Control Module References Fuse Block - Underhood ELEK IGN, FUEL INJ, and 02 SSR Fuses (LY7) Fuse Block - Underhood ABS, TRANS SOL, PCM, SIR, and DISPLAY Fuses, CRANK Relay, and Fuse Block - I/P CRUISE SW Fuse Fuse Block - Underhood B+ Bus Fuse Block - Underhood ELEK IGN, FUEL INJ, and 02 SSR Fuses (LY7) Fuse Block - Underhood ELEK IGN, FUEL INJ, and 02 SSR Fuses (LY7)
Figure 8:	Fuse Block - Underhood ELEK IGN, FUEL INJ, and 02 SSR Fuses (LY7) Master Electrical Component List Control Module References Fuse Block - Underhood LF LOW BEAM, RF LOW BEAM, LF HI BEAM, and RF HI BEAM Fuses, and Fuse Block - I/P SPRING COIL 2 Fuse Fuse Block - Underhood ETC, ELEK IGN (L26), FUEL INJ (L26), 02 SSR (L26), and EMISSION Fuses Fuse Block - Underhood B+ Bus Fuse Block - Underhood ETC, ELEK IGN (L26), FUEL INJ (L26), 02 SSR (L26), and EMISSION Fuses Fuse Block - Underhood ETC, ELEK IGN (L26), FUEL INJ (L26), 02 SSR (L26), and EMISSION Fuses
Figure 9:	Fuse Block - Underhood LF LOW BEAM, RF LOW BEAM, LF HI BEAM, RF HI BEAM Fuses, Fuse Block - I/P SPRING COIL 2 Fuse Master Electrical Component List Control Module References Fuse Block - Underhood ELEK IGN, FUEL INJ, and 02 SSR Fuses (LY7) Fuse Block - Underhood B+ Bus Fuse Block - Underhood B+ Bus I/P, Console, and Driver Door Lighting Steering Wheel and Front Passenger Door Lighting SIR Caution for Zoning