Power Distribution Schematics. Buick Lucerne 2007

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2007 🢒 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+ Rear Fuse Block B+ PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses
Figure 2:	Rear Fuse Block B+ Bus 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 Underhood Fuse Block B+ Underhood Fuse Block B+
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 TRN/SIG, FOG LAMP, TRN/SIG Relays, LT CRN LAMP, FOG, RT CRN LAMP Fuses Rear Fuse Block B+ Underhood Fuse Block B+ PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL 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 RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses 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 Underhood Fuse Block B+
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 PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses TRN/SIG, FOG LAMP, TRN/SIG Relays, LT CRN LAMP, FOG, RT CRN LAMP Fuses IGN SWTCH, STR/WHL/ILLUM Fuses Power and Grounding Schematic Icons
Figure 6:	Underhood Fuse Block - PWR/TRAIN, AIR PUMP, AIR/SOL Relays, AIR PUMP, AIR/SOL, ECM/CRNK, INJ/COIL, PWR TRN Fuses 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 RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses Underhood Fuse Block B+ Underhood Fuse Block B+ 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 LT TRN/SIG, RR TRN/SIG, CHMSL/BCK-UP, INT LAMPS, SWTCH DM, HVAC BLWR Fuses, DR MDL/PWR WNDW Circuit Breaker PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses
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 PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses Rear Fuse Block B+
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 AIR BAG, OBJ SNSR, ONSTAR/S-BAND, BODY HARN MDL Fuses LT TRN/SIG, RR TRN/SIG, CHMSL/BCK-UP, INT LAMPS, SWTCH DM, HVAC BLWR Fuses, DR MDL/PWR WNDW Circuit Breaker Rear 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 Power and Grounding Schematic Icons Power and Grounding Schematic Icons
Figure 10:	Rear Fuse Block - AIR BAG, OBJ SNSR, ONSTAR/S-BAND, BODY HARN MDL Fuses Master Electrical Component List Control Module References TRUNK RELSE Relay, AUX PWR, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE Fuses PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses Rear Fuse Block B+ Power and Grounding Schematic Icons
Figure 11:	Rear Fuse Block - TRUNK RELSE Relay, AUX PWR, AUX PWR, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE 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 AIR BAG, OBJ SNSR, ONSTAR/S-BAND, BODY HARN MDL Fuses Rear Fuse Block B+
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 RAP Relay, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP Fuses TRUNK RELSE Relay, AUX PWR, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE Fuses Rear Fuse Block B+
Figure 13:	Rear Fuse Block - RAP Relay, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP Fuses Master Electrical Component List Control Module References HTD/COOL, DDM, PDM, RDO, AMP Fuses MSM/RT FRT PWR SEAT, MSM/LT FRT PWR SEAT, MSM Circuit Breakers, ECM/TCM, MSM LOGIC/RF MASSAGE Fuses Rear Fuse Block B+ IGN SWTCH, STR/WHL/ILLUM Fuses
Figure 14:	Rear Fuse Block - HTD/COOL, DDM, PDM, RDO, AMP Fuses Master Electrical Component List Control Module References RUN Relay, HTD STR, HTD/COOL/IGN3, BCM LOGIC Fuses RAP Relay, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP Fuses Rear Fuse Block B+
Figure 15:	Rear Fuse Block - RUN Relay, HTD STR, HTD/COOL/IGN3, BCM LOGIC Fuses Master Electrical Component List Control Module References IGN SWTCH, STR/WHL/ILLUM Fuses HTD/COOL, DDM, PDM, RDO, AMP Fuses Rear Fuse Block B+ Power and Grounding Schematic Icons
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 Rear Fuse Block B+ Power and Grounding Schematic Icons RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses RAP Relay, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP Fuses