Power Distribution Schematics. Buick Lucerne 2008

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2008 🢒 Lucerne 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Power Distribution Schematics

Figure 1:	Underhood Fuse Block B+ Bus Master Electrical Component List Control Module References Rear Fuse Block B+
Figure 2:	Rear Fuse Block B+ Bus Master Electrical Component List Control Module References Underhood Fuse Block B+ HORN, WSH, HIGH/BEAM, LO/BEAM Relays, HORN, ABS 1, ABS 2, WSW/PUMP, WSW HTD, HI BEAM, LT LO BEAM, RT LO BEAM Fuses
Figure 3:	Underhood Fuse Block - HORN, WSH, HIGH/BEAM, LO/BEAM Relays, HORN, ABS 1, ABS 2, WSW/PUMP, WSW HTD, HI BEAM, LT LO BEAM, RT LO BEAM Fuses Master Electrical Component List Control Module References Rear Fuse Block B+ TRN/SIG, FOG LAMP, TRN/SIG Relays, LT CRN LAMP, FOG, RT CRN LAMP Fuses
Figure 4:	Underhood Fuse Block - TRN/SIG, FOG LAMP, TRN/SIG Relays, LT CRN LAMP, FOG, RT CRN LAMP Fuses Master Electrical Component List Control Module References HORN, WSH, HIGH/BEAM, LO/BEAM Relays, HORN, ABS 1, ABS 2, WSW/PUMP, WSW HTD, HI BEAM, LT LO BEAM, RT LO BEAM Fuses RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IP, ECM IGN Fuses
Figure 5:	Underhood Fuse Block - RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses Master Electrical Component List Control Module References TRN/SIG, FOG LAMP, TRN/SIG Relays, LT CRN LAMP, FOG, RT CRN LAMP Fuses PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses
Figure 6:	Underhood Fuse Block - PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses Master Electrical Component List Control Module References RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IP, ECM IGN Fuses AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses
Figure 7:	Underhood Fuse Block - AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL FAN 1 Relays, INJ/COIL, OXY PST Fuses Master Electrical Component List Control Module References PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses LT TRN/SIG, RR TRN/SIG, CHMSL/BCK-UP, INT LAMPS, SWTCH DM, HVAC BLWR Fuses, DR MDL/PWR WNDW Circuit Breaker
Figure 8:	Rear Fuse Block - LT TRN/SIG, RR TRN/SIG, CHMSL/BCK-UP, INT LAMPS, SWTCH DM, HVAC BLWR Fuses, DR MDL/PWR WNDW Circuit Breaker Master Electrical Component List Control Module References AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses
Figure 9:	Rear Fuse Block - PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses Master Electrical Component List Control Module References LT TRN/SIG, RR TRN/SIG, CHMSL/BCK-UP, INT LAMPS, SWTCH DM, HVAC BLWR Fuses, DR MDL/PWR WNDW Circuit Breaker AIR BAG, OBJ SNSR, ONSTAR/S-BAND, BODY HARN MDL Fuses
Figure 10:	Rear Fuse Block - AIR BAG, OBJ SNSR, ONSTAR/S-BAND, BODY HARN MDL Fuses Master Electrical Component List Control Module References PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses TRUNK RELSE Relay, AUX PWR, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE Fuses
Figure 11:	Rear Fuse Block - TRUNK RELSE Relay, AUX PWR, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE Fuses Master Electrical Component List Control Module References AIR BAG, OBJ SNSR, ONSTAR/S-BAND, BODY HARN MDL Fuses MSM/RT FRT PWR SEAT, MSM/LT FRT PWR SEAT, MSM Circuit Breakers, ECM/TCM, MSM LOGIC/RF MASSAGE Fuses
Figure 12:	Rear Fuse Block - MSM/RT FRT PWR SEAT, MSM/LT FRT PWR SEAT, MSM Circuit Breakers, ECM/TCM, MSM LOGIC/RF MASSAGE Fuses Master Electrical Component List Control Module References TRUNK RELSE Relay, AUX PWR, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE Fuses RAP RELAY, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP Fuses
Figure 13:	Rear Fuse Block - RAP-HC Relay, BCM (CTSY), SUNROOF, RAP 2, RAP 1 Fuses Master Electrical Component List Control Module References MSM/RT FRT PWR SEAT, MSM/LT FRT PWR SEAT, MSM Circuit Breakers, ECM/TCM, MSM LOGIC/RF MASSAGE Fuses HTD/COOL, DDM, PDM, RDO, AMP Fuses
Figure 14:	Rear Fuse Block - HTD/COOL, DDM, PDM, RDO, AMP Fuses Master Electrical Component List Control Module References RAP RELAY, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP Fuses RUN Relay, HTD STR, HTD/COOL/IGN3, BCM LOGIC Fuses
Figure 15:	Rear Fuse Block - RUN Relay, HTD STR, HTD/COOL/IGN3, BCM LOGIC Fuses Master Electrical Component List Control Module References HTD/COOL, DDM, PDM, RDO, AMP Fuses IGN SWTCH, STR/WHL/ILLUM Fuses
Figure 16:	Rear Fuse Block - IGN SWITCH, STR/WHL/ILLUM Fuses Master Electrical Component List Control Module References RUN Relay, HTD STR, HTD/COOL/IGN3, BCM LOGIC Fuses