All Wiring Diagrams for Buick Roadmaster Estate Wagon 1991 model

DEFOGGERS

Defogger Wiring Diagram, with Electronic A/C for Buick Roadmaster Estate Wagon 1991

List of elements for Defogger Wiring Diagram, with Electronic A/C for Buick Roadmaster Estate Wagon 1991:

• '93 buick sedan & '92 buick
• ('92 olds & '93 buick)
• 10a
• All others
• Electronic a/c control assembly
• Fuse 20a
• Fuse 3
• Fuse 30a
• Fuse 4 (all others) 10a
• Fuse 7.5a
• Fuse block (left side of i/p)
• G200 (left kick panel)
• G403 (right rear wheelhouse)
• G998 (right "d" pillar)
• Heater
• Hot at all times
• Hot in run
• Left outside mirror
• Nca
• On lamp
• On/off momentary defogger switch
• Rear defogger
• Rear defogger relay (right i/p, next to blower motor)
• Right outside mirror
• Timer

Defogger Wiring Diagram, with Manual A/C for Buick Roadmaster Estate Wagon 1991

List of elements for Defogger Wiring Diagram, with Manual A/C for Buick Roadmaster Estate Wagon 1991:

• '93 buick sedan & '92 buick
• All others
• Fuse 15a
• Fuse 30a
• Fuse 7.5a
• Fuse block (left side of i/p)
• G200 (left kick panel)
• G403 (right rear wheelhouse)
• G998 (right "d" pillar)
• Heater
• Hot at all times
• Hot in run & start
• Left outside mirror
• Nca
• On lamp
• On/off momentary defogger switch
• Rear defogger
• Rear defogger control switch
• Right outside mirror
• Timer
• W/ power mirror
• W/o power mirror

HORN

Horn Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Horn Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• 25a
• Convenience center (left side of i/p)
• Fuse 8
• Fuse block (left side of i/p)
• Horn 1 (front lower left side of engine compt)
• Horn 2 (front lower left side of engine compt)
• Horn relay
• Hot at all times
• Inflator module
• Left horn switch
• Right horn switch
• Slip ring
• Steering wheel

POWER ANTENNA

Power Antenna Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Power Antenna Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• Antenna
• Antenna coaxial cable
• Down
• Down switch
• Fuse 1 15 amp
• Fuse 9 10 amp
• Fuse block:i/p
• G200 (behind left kick pad)
• Hot at all times
• Hot in run
• Pnk
• Radio
• Radio power antenna motor
• Radio power antenna relay
• Up switch

POWER DOOR LOCKS

Keyless Entry Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Keyless Entry Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• (rear of lug- gage compt)
• Circuit breaker a 30a
• Except sedan
• F f
• Fuse 15a
• Fuse 20a
• Fuse block (left side of i/p)
• G200 (left kick panel)
• Hot at all times
• Hot in run
• Hot in run, bulb test, or start
• Interior lights system
• Keyless entry module (above left rear wheelhouse, wagon) (front of trunk, on rear shelf, sedan)
• Keyless programming connector
• Left front door lock motor
• Left front door lock switch
• Left rear door lock motor
• Lock
• Lock relay
• Power door lock relay (behind left kick panel)
• Right front door lock motor
• Right front door lock switch
• Right rear door lock motor
• Sedan
• Sedan only
• Tail- gate lock motor
• Tan
• Transmission position switch (on steering column)
• Trunk, tailgate, fuel doors system
• Un- lock
• Unlock relay
• W/ power seats only
• Wagon
• Wagon only

Power Door Locks Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Power Door Locks Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• Circuit breaker a 30a
• Except
• Fuse 15a
• Fuse block (left side of i/p)
• G200 (left kick panel)
• Hot at all times
• Left front door lock motor
• Left front door lock switch
• Left rear door lock motor
• Lock
• Lock relay
• Power door lock relay (behind left kick panel)
• Right front door lock motor
• Right front door lock switch
• Right rear door lock motor
• Tail- gate lock motor
• Tan
• Tan a
• Tan b
• Un- lock
• Unlock relay
• Wagon only

Power Tailgate Lock Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Power Tailgate Lock Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• 1992 olds and 1993 buick only
• Accessory switch panel
• Circuit breaker a 30a
• D c2
• Except
• Fuse 15a
• Fuse block (left side of i/p)
• G200 (left kick panel)
• Hot at all times
• Lock
• Lock relay
• Rear glass release/ tailgate lock switch
• Tailgate lock motor
• Tailgate lock relay (left kick panel)
• Tan
• Trunk, tailgate, fuel doors system (rear glass release relay)
• Unlock
• Unlock relay

POWER MIRRORS

Power Mirror Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Power Mirror Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• A nca
• Down
• Fuse 1 15a
• Fuse block
• G200 (left kick panel)
• Hot at all times
• Left
• Left outside mirror
• Left/right motor
• Mirror position switch
• Mirror select switch
• Nca
• Outside mirror switch
• Right
• Right outside mirror
• Up/down motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for 6-Way Power Seat Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• (base of
• 1995 vftc c
• Back
• Breaker 30a
• Down
• Entire seat
• Front height
• Front height motor
• Fuse block
• Fwd
• Fwd/ back motor
• G900 (base of
• G901
• Hot at all times
• Left "a" pillar)
• Left front seat
• Left seat switch
• Pwr/acc circuit
• Rear height
• Rear height motor
• Right "a" pillar)
• Right front seat
• Right seat switch
• Tan

POWER WINDOWS

Power Window Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Power Window Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• Circuit breaker c 30a
• Express down module
• Fuse block
• G200 (behind base of left "a" pillar, behind left kickpad)
• Hot in run
• Interior lights system
• Left front window motor
• Left rear window motor
• Left rear window switch
• Master power window switch assembly
• Pnk
• Right front window motor
• Right front window switch
• Right rear window motor
• Right rear window switch
• Tan

RADIO

Radio Wiring Diagrams, without Delco Bose for Buick Roadmaster Estate Wagon 1991

List of elements for Radio Wiring Diagrams, without Delco Bose for Buick Roadmaster Estate Wagon 1991:

• (behind left kickpad)
• 1992-93 roadmaster, custom cruiser
• A/c system
• Antenna
• Antenna input
• Coaxial cable
• Dim signal
• Fuse block
• Fuse 2 15a
• Fuse 9 10a
• G200
• Ground
• Hot at all times
• Hot in acc or run
• Interior lights system
• Left front speaker
• Left rear speaker
• Lt front spkr
• Lt rear spkr
• Memory power
• Nca
• On output
• Panel light
• Pnk
• Power antenna system
• Power input
• Radio
• Right front speaker
• Right rear speaker
• Rt front spkr
• Rt rear spkr
• Tan
• Vf pwm input

STARTING/CHARGING

Charging Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Charging Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• (left side of i/p)
• Alternator
• Bat
• Battery
• Bulb test or start
• Charge indicator
• Fuse 17 15a
• Fuse 6 20a
• Fuse block
• G101 (right front fender)
• G119 (front of right cylinder head)
• Hot in run
• Hot in run,
• Instrument cluster
• Multi-function chime module (with reminder package, olds only) (mounted to left side of i/p carrier)
• Pnk/ (buick, olds 1991)

Starting Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Starting Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• (front of right cylinder head)
• Accy
• Battery
• Battery j/b (engine com- partment, mounted to right wheel- house)
• Bulb test
• Fusible link a (14 ga-rust)
• G101 (right front fender)
• G119
• Ignition switch
• Lock
• Off
• Red
• Run
• Start
• Starter motor
• Starter solenoid

TRUNK, TAILGATE, FUEL DOOR

Rear Glass Release Wiring Diagram, with Power Door Locks for Buick Roadmaster Estate Wagon 1991

List of elements for Rear Glass Release Wiring Diagram, with Power Door Locks for Buick Roadmaster Estate Wagon 1991:

• Accessory switch panel (left i/p)
• Convenience center
• Fuse 1 15a
• Fuse block
• G200 (left kickpad)
• Hot at all times
• Keyless entry module (buick and olds only)
• Park/ neutral position switch (on steering column)
• Rear glass interlock/ push button switch
• Rear glass release relay
• Rear glass release solenoid
• Rear glass release switch
• Tailgate lock sense switch (right tailgate)
• Unlock

Rear Glass Release Wiring Diagram, without Power Door Locks for Buick Roadmaster Estate Wagon 1991

List of elements for Rear Glass Release Wiring Diagram, without Power Door Locks for Buick Roadmaster Estate Wagon 1991:

• Accessory switch panel (left i/p)
• Circuit isolation diode
• Convenience center
• Door locks system
• Fuse 1 15a
• Fuse block
• G200 (left kickpad)
• Hot at all times
• Nca
• Park/ neutral position switch (on steering column)
• Rear glass interlock/ push button switch
• Rear glass release relay
• Rear glass release solenoid
• Rear glass release/ tailgate lock switch
• Tailgate lock sense switch (right tailgate)
• Unlock

WIPER/WASHER

Interval Wiper/Washer Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Interval Wiper/Washer Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• Cover assembly
• Fuse 10 25a
• Fuse block
• G125 (front of engine)
• Hot in accy or run
• Mechanical arm
• Mist
• Nca
• Off
• Park switch
• Pnk
• Pulse
• Pulse delay
• Red
• Timer
• Washer pump motor
• Washer switch
• Wiper motor module
• Wiper switch
• Wiper/ washer switch

Rear Wiper/Washer Wiring Diagram for Buick Roadmaster Estate Wagon 1991

List of elements for Rear Wiper/Washer Wiring Diagram for Buick Roadmaster Estate Wagon 1991:

• (1991)
• (1992-93)
• Fuse 15a
• Fuse block
• G200 (at left kick panel)
• G998 (center of right d pillar)
• Hot at all times
• Hot at all times hot in accy or run
• Off
• Park
• Rear glass interlock/ push button switch
• Rear window washer pump motor
• Rear window wiper/ washer switch
• Rear wiper motor module
• Run
• Wash
• Wipe