All Wiring Diagrams for Buick Roadmaster Limited 1993

DEFOGGERS

Defogger Wiring Diagram, with Electronic A/C for Buick Roadmaster Limited 1993

List of elements for Defogger Wiring Diagram, with Electronic A/C for Buick Roadmaster Limited 1993:

• '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 Limited 1993

List of elements for Defogger Wiring Diagram, with Manual A/C for Buick Roadmaster Limited 1993:

• '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 Limited 1993

List of elements for Horn Wiring Diagram for Buick Roadmaster Limited 1993:

• 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 3 (front lower right side of engine compt)
• Horn 4 (front lower right side of engine compt)
• Horn relay
• Hot at all times
• Left horn switch
• Right horn switch
• Sedan only
• Slip ring
• Steering wheel

INTERIOR LIGHTS

Courtesy Lamp Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Courtesy Lamp Wiring Diagram for Buick Roadmaster Limited 1993:

• Courtesy switch
• Fuse 1 15a
• Fuse 17 15a
• Fuse 2 15a
• G200 (base of left "a" pillar, behind kick panel)
• G200 (left kick panel)
• G998 (near cneter of right "d" pillar)
• G999 (near cneter of left "d" pillar)
• Headlamp switch illumination
• Hot at all times
• Hot in run, bulb test or start
• I/p compart- ment lamp
• I/p dimmer switch
• I/p fuse block (left side of i/p)
• Inside rear view mirror
• Interior lights control
• Keyless entry receiver
• Left front door jamb switch
• Left i/p courtesy lamp
• Left rear courtesy/ reading lamp (wagon)
• Left rear door jamb switch
• Left roof rail courtesy
• Left vanity mirror
• Lfft front door courtesy lamp
• Lfft rear door courtesy lamp
• Luggage compart- ment lamp
• Nca
• Right front door courtesy lamp
• Right front door jamb switch
• Right i/p courtesy lamp
• Right rear courtesy/ reading lamp (wagon)
• Right rear door courtesy lamp
• Right rear door jamb switch
• Right roof rail courtesy
• Right vanity mirror
• Tailgate ajar switch (wagon)
• Underhood lamp

Instrument Illumination Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Instrument Illumination Wiring Diagram for Buick Roadmaster Limited 1993:

• Accessory switch panel (wagon)
• Ashtray
• Audio alarm module
• Auto headlamp or drl control module
• Base
• C2 h
• Convenience center (left side of ip)
• Courtesy lamps circuit
• Courtesy switch
• Dim display signal
• Electronic a/c control assembly
• Fuse 5 7.5a
• G200 (left kick panel)
• Head
• Headlight switch
• Heater and a/c control
• Hot at all times
• I/p fuse block (left side of i/p)
• Instrument cluster
• Instrument panel lamp dimmer
• Lights on signal
• Master power window switch
• Off
• Park
• Radio
• W/ drl or twilight sentinel

POWER ANTENNA

Power Antenna Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Power Antenna Wiring Diagram for Buick Roadmaster Limited 1993:

• 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 Limited 1993

List of elements for Keyless Entry Wiring Diagram for Buick Roadmaster Limited 1993:

• Buick only
• Buick sedan
• Buick wagon
• Chevy only
• Circuit breaker a 30a
• Exterior lights system
• F f
• Fuse 15a
• Fuse 17 15a (buick)
• Fuse 6 20a (chevy)
• 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 programming connector (left rear of trunk, sedan) (on left "d" pillar, wagon)
• Keyless entry receiver (above left rear wheelhouse, wagon) (front of trunk, on rear shelf, sedan)
• 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 only
• Shift interlock system
• Tail- gate lock motor
• Tan
• Transmission position switch (on steering column)
• Trunk, tailgate, fuel doors system
• Trunk, tailgate, fuel doors system (buick sedan only)
• Un- lock
• Unlock relay
• W/ power seats only
• Wagon only

Power Door Locks Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Power Door Locks Wiring Diagram for Buick Roadmaster Limited 1993:

• 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 Limited 1993

List of elements for Power Tailgate Lock Wiring Diagram for Buick Roadmaster Limited 1993:

• 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 Limited 1993

List of elements for Power Mirror Wiring Diagram for Buick Roadmaster Limited 1993:

• (left kick panel)
• A nca
• Ambient light sensor (winshield side)
• Automatic day/ night mirror
• Down
• Fuse 1 15a
• Fuse 17 15a
• Fuse 18 15a
• G200
• G200 (left kick panel)
• Ground
• Headlamp sensor (mirror side)
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Indicator control
• Left
• Left outside mirror
• Left/right motor
• Mirror position switch
• Mirror select switch
• Mirror switch
• Nca
• Off
• On indicator
• Outside mirror switch
• Reset to daytime high reflectivity in reverse
• Right
• Right outside mirror
• Transaxle position switch (on lower steering column)
• Up/down motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for 6-Way Power Seat Wiring Diagram for Buick Roadmaster Limited 1993:

• (base of
• 1995 vftc c
• 30a
• Back
• Breaker a
• Circuit
• 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
• Rear height
• Rear height motor
• Right "a" pillar)
• Right front seat
• Right seat switch
• Tan

Lumbar Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Lumbar Wiring Diagram for Buick Roadmaster Limited 1993:

• passenger seat lumbar in-line fuse 10a
• (below left front seat)
• (below right front seat)
• 30a
• Circuit breaker a
• Control manifold (below right seat)
• Deflate
• Deflate relay
• Driver seat
• Driver seat back lumbar support switches
• Driver seat lumbar in-line fuse 10a
• Driver seat pneumatic control manifold (below left front seat)
• Fuse block
• G200 (left kick panel)
• Hot at all times
• Inflate
• Inflate relay
• Lower
• Lower lumbar bladder
• Lower lumbar solenoid valve
• Middle
• Middle lumbar bladder
• Middle lumbar solenoid valve
• Passenger seat
• Passenger seat back lumbar support switches
• Pneumatic
• Power seat pneumatic control module (below right front seat)
• Pressure vacuum
• Pump assembly (below right front seat)
• Pump cutoff relay (solid state)
• Sensor switch
• Upper
• Upper lumbar bladder
• Upper lumbar solenoid valve

Recliner Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Recliner Wiring Diagram for Buick Roadmaster Limited 1993:

• (with
• 30a
• Circuit breaker a
• Fuse block
• Fwd
• G300 (below left front seat)
• Hot at all times
• In-line fuse
• Left lumbar/ recliner switch assembly
• Left recliner switch
• Left seat recliner motor
• Lumbar support)
• Recline
• Right recliner switch
• Right seat recliner motor
• To left
• To right lumbar in-line fuse

POWER WINDOWS

Power Window Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Power Window Wiring Diagram for Buick Roadmaster Limited 1993:

• Circuit breaker c 30a
• Express down module
• Fuse block
• G200 (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
• Window lockout switch (left front door armrest)

RADIO

Radio Wiring Diagrams, without Delco Bose for Buick Roadmaster Limited 1993

List of elements for Radio Wiring Diagrams, without Delco Bose for Buick Roadmaster Limited 1993:

• (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 Limited 1993

List of elements for Charging Wiring Diagram for Buick Roadmaster Limited 1993:

• (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 Limited 1993

List of elements for Starting Wiring Diagram for Buick Roadmaster Limited 1993:

• (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 Limited 1993

List of elements for Rear Glass Release Wiring Diagram, with Power Door Locks for Buick Roadmaster Limited 1993:

• Accessory switch panel (left i/p)
• Convenience center
• Fuse 1 15a
• Fuse block
• G200 (left kickpad)
• Hot at all times
• Keyless entry receiver (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 Limited 1993

List of elements for Rear Glass Release Wiring Diagram, without Power Door Locks for Buick Roadmaster Limited 1993:

• 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

Trunk Pull-Down Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Trunk Pull-Down Wiring Diagram for Buick Roadmaster Limited 1993:

• Fuse 8 25a
• G200 (left kickpad)
• Hot at all times
• I/p fuse block
• Latched
• Lid closed
• Lid open
• Trunk lid latch switch
• Trunk lid pull-down actuator (rear of trunk)
• Unlatched

Trunk Release Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Trunk Release Wiring Diagram for Buick Roadmaster Limited 1993:

• Convenience center
• Door locks system
• Fuse 18 15a
• Fuse 2 15a
• Fuse block
• G200 (left kickpad)
• Hot at all times
• Hot in run, bulb test or start
• Transmission position switch
• Trunk lid release relay
• Trunk lid release solenoid
• Trunk lid release switch
• Trunk security switch

WIPER/WASHER

Interval Wiper/Washer Wiring Diagram for Buick Roadmaster Limited 1993

List of elements for Interval Wiper/Washer Wiring Diagram for Buick Roadmaster Limited 1993:

• 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 Limited 1993

List of elements for Rear Wiper/Washer Wiring Diagram for Buick Roadmaster Limited 1993:

• (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