POWER DISTRIBUTION – Buick Lucerne CXL 2006 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Buick Lucerne CXL 2006

List of elements for Power Distribution Wiring Diagram (1 of 5) for Buick Lucerne CXL 2006:

• (in engine harness, approximately 41 cm (16 in) from underhood fuse block connector c3) s111
• (in ip harness, between c201 & c202) s229
• (on right front of engine compt, forward of strut tower) underhood fuse block
• 3.8l
• 4.6l
• A/c fuse 10a
• A/c relay 11
• Abs 1 fuse jc7 50a
• Abs 2 fuse jc6 60a
• Air bag ign 3 fuse 4 10a
• Air pump fuse jc8 50a
• Air pump relay 9
• Air/ sol fuse 15a
• Air/sol relay 12
• Automatic transmission
• Battery
• Cool/fan 1 relay 1
• Cool/fan 2 relay 7
• Crnk fuse jc4 40a
• Crnk relay 3
• Ecm ign 3 fuse 5 10a
• Electronic brake control module (ebcm)
• Engine control module (ecm) (4.6l) powertrain control module (pcm) (3.8l)
• Fan 1 fuse jc2 30a
• Fan 2 fuse jc5 30a
• Fog lamp pcb relay
• From b trn/sig pcb relay (diagram 1 of 5)
• From ignition switch (diagram 5 of 5)
• Fusible link
• G112 (lower left rear of engine)
• Generator
• High/beam pcb relay
• Horn pcb relay
• Hvac control module
• Hvac/ipc fuse 14 10a
• Inflatable restraint i/p module indicator
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel cluster (ipc)
• Lo/beam pcb relay
• Mode actuator
• Pnk
• Pwr/train relay 4
• Red
• Run/ crank relay 6
• S105 (4.6l)
• Starter motor
• To fog lamp pcb relay (diagram 1 of 5)
• To rear fuse block (diagram 2 of 5)
• Trans ign 3 fuse 6 10a
• Transmission control module (tcm)
• Trn/sig pcb relay
• W/ automatic a/c
• W/ electronic a/c
• W/ electronic a/c pnk
• W/ heated nozzle
• Windshield washer solvent heater
• Wpr fuse 25a
• Wpr hi relay 10
• Wpr relay 8
• Wsh htd fuse jc1 60a
• Wsh pcb relay

Power Distribution Wiring Diagram (2 of 5) for Buick Lucerne CXL 2006

List of elements for Power Distribution Wiring Diagram (2 of 5) for Buick Lucerne CXL 2006:

• (base)
• (below left side of rear seat) rear fuse block
• (in body harness, approximately 10 cm (4 in) from audio amplifier connector c1) s366
• (in engine harness, approximately 80 cm (31 in) from underhood fuse block connector c3) s100
• (in i/p harness, approximately 6 cm (2 in) from branch for hvac module) s200
• (uplvl)
• 3.8l
• 30a
• 4.6l
• Air bag fuse 13 10a
• Amp fuse 1 20a
• Amplifier
• Approximately 14 cm (6 in) from breakout for yaw & lateral acceleration sensor)
• Body control module
• Body harn mdl fuse 35 10a
• Cnstr vent fuse 5 10a
• Data link connector (dlc)
• Ddm fuse 24 15a
• Digital radio receiver
• Driver door module (ddm)
• Ecm/tcm fuse 28 15a
• Engine control module (ecm)
• Evaporative emission (evap) canister vent solenoid valve
• From battery (diagram 1 of 5)
• From c amp fuse 1 (diagram 2 of 5)
• Front heated seat module
• Front passenger door module (fpdm)
• Garage door opener transmitter
• Htd/ cool fuse 27 30a
• Hvac control module
• I/p harn mdl fuse 31 10a
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Inside rearview mirror
• Instrument panel cluster (ipc)
• Onstar/ s-band fuse 22 10a
• Pdm fuse 25 15a
• Pnk/ red
• Powertrain control module (pcm)
• Radio
• Rdo fuse 21 15a
• Red
• Remote control door lock receiver (rcdlr)
• Rvc sense fuse 29 10a
• Tan/ red
• Theft deterrent module (tdm)
• To body harn mdl fuse 35, 10a (diagram 2 of 5)
• To ign swtch fuse 48, 5a (diagram 3 of 5)
• Transmission control module (tcm)
• Vehicle communication interface module
• W/ digital radio
• W/ onstar
• W/ performance enhanced audio
• W/ tq5

Power Distribution Wiring Diagram (3 of 5) for Buick Lucerne CXL 2006

List of elements for Power Distribution Wiring Diagram (3 of 5) for Buick Lucerne CXL 2006:

• (below left side of rear seat) rear fuse block
• (in center console harness, approximately 10 cm (4 in) from breakout for a/t shift lock control solenoid) s315
• (in right front seat harness, approximately 114 cm (45 in) from passenger seat adjuster switch connector) s348
• Automatic level control (alc) compressor
• Automatic level control module
• Aux pwr fuse 14 20a
• Aux pwr fuse 23 20a
• Auxiliary power outlet console
• Body control module (bcm)
• Chmsl/ bck-up fuse 18 10a
• Cigar lighter
• Cigar lighter (w/ custom seat)
• Driver position module
• Driver seat adjuster switch
• Elc mdl fuse 7 10a
• Electronic suspension control (esc) module
• From d pdm fuse 25, 15a (diagram 2 of 5)
• From e mrtd mdl fuse 6, 25a (diagram 3 of 5)
• Front auxiliary power outlet
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Ign switch fuse 48 5a
• Int lamps fuse 3 10a
• Lt trn/ sig fuse 15 15a
• Mrtd mdl fuse 6 25a
• Msm circuit breaker 4 25a
• Msm logic/ rf massage fuse 36 10a
• Msm/lt frt pwr seat circuit breaker 2 25a
• Msm/rt frt pwr seat circuit breaker 1 25a
• Obj snsr fuse 37 10a
• Object alarm module
• Passenger lumbar adjuster switch
• Passenger seat adjuster switch
• Red/ pnk
• Rr trn/ sig fuse 16 15a
• S221
• S307
• Switch dm fuse 10 10a
• To ignition switch (diagram 5 of 5)
• To obj snsr fuse 37, 10a (diagram 3 of 5)
• To rap relay 1 (diagram 4 of 5)
• Trunk relse relay 6
• W/ 8-way
• W/ air suspension
• W/ custom seat
• W/ individual seat
• W/ magnetic ride control
• W/ memory seat
• W/ multi-directional
• W/ rear parking assist
• W/o memory seat

Power Distribution Wiring Diagram (4 of 5) for Buick Lucerne CXL 2006

List of elements for Power Distribution Wiring Diagram (4 of 5) for Buick Lucerne CXL 2006:

• (below left side of rear seat) rear fuse block
• (in body harness, approximately 19 cm (8 in) from breakout for g301)
• (in body harness, approximately 64 cm (26 in) from branch for battery current sensor)
• (in center console harness, approximately 8 cm (3 in) from breakout for a/t shift lock control solenoid) s381
• Bck-up fuse 18, 10a (diagram 3 of 5)
• Bcm logic fuse 12 10a
• Body control module (bcm)
• Ctsy/ rf trn fuse 4 10a
• Dr lck relay 9
• Dr mdl/ pwr wndw circuit breaker 3 25a
• Dr unlck relay 10
• Driver door module (ddm)
• Drl relay 4
• Elc comprsr fuse jc3 30a
• Elc comprsr relay 15
• From branch for battery current sensor) s337
• From chsml/ f
• From dr mdl/ g pwr wndw circuit breaker 3, 25a (diagram 3 of 5)
• Front heated seat module
• Front passenger door module (fpdm)
• Frt hvac blwr relay 5
• Fuel pump fuse 11 20a
• Fuel/ pump relay 7
• G301 (under left rear seat)
• Htd/ cool/ ign 3 fuse 47 10a
• Hvac blwr fuse jc1 40a
• Inside rearview mirror
• Left rear door window switch
• Outside moisture sensor (if equipped)
• Park switch
• Prk lamp relay 2
• Rap fuse 41 10a
• Rap relay 1
• Rear defog fuse jc2 40a
• Rear defog relay 14
• Rear dr lck fuse 19 20a
• Reverse lockout solenoid
• Right rear door window switch
• Run relay 3
• S/roof fuse 17 25a
• S302
• Shftr sol fuse 40 10a
• Sunroof control module
• To hvac blwr fuse jc1, 40a (diagram 4 of 5)
• W/ custom seat
• W/ front heated seat cooling
• W/ heated nozzle
• W/ individual seat
• W/o front heated seat cooling
• Windshield washer solvent heater

Power Distribution Wiring Diagram (5 of 5) for Buick Lucerne CXL 2006

List of elements for Power Distribution Wiring Diagram (5 of 5) for Buick Lucerne CXL 2006:

• (in engine harness, approximately 13 cm (5 in) from breakout for c138) s104
• (in steering column harness, between c203 & ignition switch connector) s201
• 3.8l
• 4.6l
• Acc
• Body control module (bcm)
• Engine control module (ecm)
• From ign sw fuse (diagram 3 of 5)
• Ignition switch
• Inflatable restraint steering wheel module coil
• Key-in switch
• Left steering wheel control switch
• Off
• Pnk
• Powertrain control module (pcm)
• Rear fuse block (below left side of rear seat)
• Right steering wheel control switch
• Run
• Start
• Str/whl/ illum fuse 34 2a
• Theft deterrent module (tdm)
• To run/crank relay 6 (diagram 1 of 5)
• Transmission control module (tcm)