All Wiring Diagrams for Buick Riviera 1991

COOLING FAN

Cooling Fan Wiring Diagram for Buick Riviera 1991

List of elements for Cooling Fan Wiring Diagram for Buick Riviera 1991:

• (1990) (1991-93)
• (right front of engine compt, at power junction block)
• 1991-93
• 2a8
• 2b5
• 2b9
• 3c2
• 3c3
• 3c4
• 3d4
• 3d5
• Body computer module (behind right side of i/p)
• Coolant fan fuse 20 5a
• Coolant fan relay 'c'
• Coolant fan relay 'd'
• Coolant fan relay 'g'
• Coolant temperature sensor (top left side of engine)
• Engine controls system
• Fuse block
• Fusible link a (16 ga-rust) (18 ga-rust)
• G107 (behind right headlamp)
• Hot at all times
• Hot in run
• Puller coolant fan (front of engine compt, behind radiator)
• Pusher coolant fan (ahead of radiator)
• Reatta
• Red
• Underhood relay center (left front of engine compartment)
• Underhood relay center (left front of engine compt)

DEFOGGERS

Rear Defogger & Heated Mirrors Wiring Diagram for Buick Riviera 1991

List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Buick Riviera 1991:

• (1990)
• (1991-93)
• (others) (reatta conv)
• (reatta conv)
• (reatta coupe)
• (riviera)
• 10a
• A/c fuse 19 10a
• Body computer module (behind glove box)
• Coolant fan fuse 20 5a
• Data line
• Defog fuse 2 25a
• Defogger control
• Electronic comfort control heater & a/c panel
• Fuse block (front left of console)
• G200 (left kick panel)
• G311 (center of rear shelf)
• G401 (right front side of trunk)
• G401 (right rear sheerwall)
• Heated mirror fuse 1 (conv: front of right rear wheelhouse, except conv: below rear shelf)
• Heater
• Heater & a/c programmer (right side of i/p)
• Hot at all times
• Hot in run
• Interior relay center (right front of console)
• Left outside mirror
• Nca
• Rear defogger
• Rear defogger cut off switch (right front of trunk)
• Rear defogger relay "e" "c" (in micro relay center)
• Reatta convertible
• Reatta coupe & riviera

HORN

Horn Wiring Diagram for Buick Riviera 1991

List of elements for Horn Wiring Diagram for Buick Riviera 1991:

• Fuse block (left front of console)
• G107 (behind right headlamp)
• Horn relay
• Horn switch
• Hot at all times
• Left horn (lower left front of car)
• Rap/ign 3/wdo/horn circuit breaker 25 30a
• Right horn (lower right front of car)
• Slip ring
• Steering wheel
• Theft deterrent diode) (left side of i/p)
• Theft deterrent module (left side of i/p)
• Theft deterrent relay
• Underhood relay center (left front of engine compt)
• With theft deterrent system

POWER ANTENNA

Power Antenna Wiring Diagram for Buick Riviera 1991

List of elements for Power Antenna Wiring Diagram for Buick Riviera 1991:

• Antenna coax lead
• Antenna fuse 3 10a
• Antenna motor
• Antenna relay (in trunk, rear of right wheelhouse)
• Down switch
• Fuse block (front right side of console)
• G311 (reatta) on center of rear shelf)
• G401 (riviera) (right side of trunk)
• Hot at all times
• Hot in acc or with rap energized
• Nca
• Off
• Pnk
• Radio fuse 11 15a
• Radio receiver
• Tri-band antenna mast
• Up switch

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Buick Riviera 1991

List of elements for Power Door Locks Wiring Diagram for Buick Riviera 1991:

• Body fuse 2 20a
• Door lock relay (left kick panel)
• Fuse block (left front of console)
• G202 (left side of i/p)
• Hot at all times
• Keyless entry module
• Left door lock motor
• Left power door lock switch
• Lock
• Lock relay
• Right door lock motor
• Right power door lock switch
• Seat/door lock circuit breaker #23 30a
• Solid state
• Tan
• Theft deterrent module
• Unlock
• Unlock relay
• W/ keyless entry
• W/o keyless entry

Remote/Keyless Entry Wiring Diagram for Buick Riviera 1991

List of elements for Remote/Keyless Entry Wiring Diagram for Buick Riviera 1991:

• (1990-91)
• (1992-93)
• 1c1
• 1c13
• A nca
• Antenna
• Auto lock inhibit
• Battery
• Body computer module (behind glove box)
• Body fuse 2 20a
• Brake switch
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Courtesy lights relay control
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Disarm input
• Door cyl input
• Door lock relay (left kick panel)
• Fuse block
• G119 (right front of engine compt)
• G202 (left side of i/p)
• G302 (between front seats)
• G310 (behind rear seat, on shelf support)
• Ground
• Hot at all times
• Hot in run, bulb test, or start
• Ignition
• Illum entry
• Illum entry/ wake up input
• Initialize
• Interior lights w/ illuminated entry
• Interior relay center
• Isolated ground junction block (right of battery)
• Key lock
• Key unlock
• Keyless entry fuse 3 15a
• Keyless entry module (center front of trunk, under rear shelf)
• Left door jamb switches (front of door jamb)
• Left door lock cylinder switch
• Left door lock motor
• Left door tamper switch (in door lock cylinder)
• Left power door lock switch
• Left unlock
• Lock
• Lock output
• Lock relay
• Micro relay center
• Nca
• Pcm solenoid nsss fuse 7 15a
• Power locks
• Reatta
• Right door jamb switches (front of door jamb)
• Right door lock cylinder switch
• Right door lock motor
• Right door tamper switch (in door lock cylinder)
• Right power door lock switch
• Riviera
• Riviera only
• Rke antenna grid (on rear window)
• Seat/door lock circuit breaker #23 30a
• Solid state
• System arm cancel input
• System arm input
• Tamper input
• Tan
• Theft deterrent module (behind left side of i/p)
• Transaxle position switch (left rear side of engine, on top of transaxle)
• Trunk lid release relay "a"
• Trunk lid release solenoid (at lock mechanism)
• Trunk lid release switch
• Trunk lid tamper switch (riviera only)
• Trunk rel out
• Unlock
• Unlock output
• Unlock relay
• Vehicle access code connector (near keyless entry module)

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Buick Riviera 1991

List of elements for Automatic Day/Night Mirror Wiring Diagram for Buick Riviera 1991:

• (1990-91) (1992-93)
• (buick)
• (olds)
• 1990 buick
• 1991-93 buick
• All olds, &
• Ambient sensor
• Automatic day/ night mirror
• Automatic day/night mirror
• Body ign fuse 14 turn sig fuse 7 15a
• Buick
• D nca
• Ecm sol fuse 6 15a
• Ecm sol nsss fuse 7 15a
• Exterior lights system
• Fuse block
• G203 (at right shroud)
• Ground
• Headlight sensor
• Hot in run, bulb test or start
• Interior relay center
• Max
• Min
• Mirror control unit
• Nca
• Off
• Olds
• Reset
• Sensitivity setting
• Transaxle position switch

Power Mirror Wiring Diagram for Buick Riviera 1991

List of elements for Power Mirror Wiring Diagram for Buick Riviera 1991:

• Body fuse 2 20a
• Drive unit
• Fuse block
• G200 (at left shroud)
• G300 (below right side of driver seat)
• Hot at all times
• Illum
• Interior lights system (olds only)
• Left outside mirror
• Left- right m
• Mirror position switch
• Mirror select switch
• Motor
• Nca
• Outside mirror switch
• Reatta
• Right outside mirror
• Up- down m

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Riviera 1991

List of elements for 6-Way Power Seat Wiring Diagram for Buick Riviera 1991:

• (top of left shroud)
• (top of right shroud)
• 30a
• Entire seat back
• Entire seat down
• Entire seat fwd
• Entire seat up
• Forward/ back motor
• Front height down
• Front height motor
• Front height up
• Fuse block (behind left side of i/p)
• G200
• G203
• Hot at all times
• Left front seat
• Left seat switch
• Rear height down
• Rear height motor
• Rear height up
• Right front seat
• Right seat switch
• Seat/door lock cb 23
• Tan
• Tan

Recliner Wiring Diagram for Buick Riviera 1991

List of elements for Recliner Wiring Diagram for Buick Riviera 1991:

• 1995 vftc c
• 30a
• Fuse block (left front of console)
• Fwd
• G300 (below right side of driver's seat)
• Hot at all times
• Left recliner switch
• Left seat recliner motor
• Recline
• Right recliner switch
• Right seat recliner motor
• Seat/door lock cb 23

Sport Seats Wiring Diagram for Buick Riviera 1991

List of elements for Sport Seats Wiring Diagram for Buick Riviera 1991:

• 1995 vftc c
• 30a
• Extend
• Fuse block (front left side of console)
• Fwd
• G300 (below right side of drivers seat)
• Hot at all times
• Inf
• Left recliner switch
• Left seat capacitor
• Left seat recliner motor
• Left seat thigh support motor
• Left thigh support switch
• Lumbar support compressor
• Lumbar support switch
• Nca
• Off
• Pnk
• Recline
• Red
• Retract
• Right recliner switch
• Right seat recliner motor
• Seat/door lock cb 23
• Vent

POWER WINDOWS

Power Window Wiring Diagram for Buick Riviera 1991

List of elements for Power Window Wiring Diagram for Buick Riviera 1991:

• (center of passenger compartment, between front seats) g302
• (top of left shroud) g200
• 1991-93
• 1c3
• 1d13
• Body computer module (bcm) (behind glove box)
• Down
• Fuse block
• Horns system
• Hot at all times
• Hot in run
• Hot with ignition switch in accy or run position
• Interior relay center (right front of console)
• Left power window
• Left power window motor
• Pnk
• Power distribution system (fuse block: radio 1 fuse 11 & wiper fuse 12)
• Power tops system
• Power window master switch assembly
• Rap relay control
• Rap/ accy relay 1 "h"
• Rap/ accy relay 2 "j "
• Rap/ign 3 circuit breaker 24 30a
• Rap/ign 3/wdo/horn circuit breaker 25 30a
• Reatta
• Right power window
• Right power window motor
• Right power window switch
• Riviera
• Solid state
• Tan

RADIO

Compact Disc Player for Buick Riviera 1991

List of elements for Compact Disc Player for Buick Riviera 1991:

• Compact disc player
• Computer data lines system
• G107 (right front of engine compt, behind headlight)
• Interior lights system
• Nca
• Pnk
• Radio

Radio Wiring Diagrams, with Delco Bose for Buick Riviera 1991

List of elements for Radio Wiring Diagrams, with Delco Bose for Buick Riviera 1991:

• Antenna
• Antenna input
• Bose fuse 15 25a
• Coaxial cable
• Common
• Computer data lines system
• Delco-bose music system amplifier diode (cross body harness, at right front door sill)
• Delco-bose music system amplifier relay d (in micro relay center)
• Delco-bose music system amplifier relay f (in micro relay center)
• E & c data line
• Fuse block (behind center of i/p, behind glove box door)
• G107 (right front of engine compartment, behind headlight assembly)
• G310 (behind right side of rear seat)
• Ground
• Ground shield
• Hot at all times
• Hot in run, accy or with rap energized
• Interior lights system
• Left front delco-bose amplifier/ speaker assembly
• Left rear delco-bose amplifier/ speaker assembly
• Lt front spkr (+)
• Lt rear spkr (+)
• Memory pwr input
• Nca
• On output
• Panel light
• Pnk
• Power
• Power antenna system
• Power input
• Radio
• Radio 1 fuse 11 15a
• Radio 2 fuse 13 10a
• Right front delco-bose amplifier/ speaker assembly
• Right rear delco-bose amplifier/ speaker assembly
• Rt front spkr (+)
• Rt rear spkr (+)
• Speaker
• Tan
• Vf dimming input

Radio Wiring Diagrams, without Delco Bose for Buick Riviera 1991

List of elements for Radio Wiring Diagrams, without Delco Bose for Buick Riviera 1991:

• Antenna
• Antenna input
• Coaxial cable
• Computer data lines system
• E & c bus
• Fuse block
• G107 (behind right headlight)
• Ground
• Hot at all times
• Hot in run, accy or with rap energized
• Interior lights system
• Left front door lower speaker
• Left front upper door speaker
• Left rear speaker
• Lt front spkr
• Lt rear spkr
• Memory power
• Nca
• On output
• Panel light
• Pnk
• Power antenna system
• Power input
• Radio
• Radio 1 fuse 11 15a
• Radio 2 fuse 13 10a
• Right front door lower speaker
• Right front upper door speaker
• Right rear speaker
• Rt front spkr
• Rt rear spkr
• Tan
• Vf dimming input

STARTING/CHARGING

Charging Wiring Diagram for Buick Riviera 1991

List of elements for Charging Wiring Diagram for Buick Riviera 1991:

• 1c11
• 3d16
• Battery
• Body computer module (behind right side of i/p, behind glove box)
• C2/d1
• Computer data lines system
• G117 (right end of front cylinder head, below generator)
• Generator
• Red
• Tan

Starting Wiring Diagram for Buick Riviera 1991

List of elements for Starting Wiring Diagram for Buick Riviera 1991:

• Accy
• Battery
• Bulb test
• Fusible link c (16 ga-rust)
• G117 (right end of front cylinder head, below generator)
• Ignition switch
• Lock
• Nca
• Off
• Park/ neutral position switch
• Pass key decoder module (behind left side of i/p, mounted on bracket, above park brake assembly)
• Power distribution system
• Power j/b (right of coolant reservoir)
• Red
• Relay control
• Run
• Start
• Starter enable relay (behind left side of i/p)
• Starter motor
• Starter solenoid

TRUNK, TAILGATE, FUEL DOOR

Fuel Door Release Wiring Diagram for Buick Riviera 1991

List of elements for Fuel Door Release Wiring Diagram for Buick Riviera 1991:

• 1995 vftc c
• 20a
• Fuel door release solenoid
• Fuel door release switch
• Fuse block (front right side of console)
• G200 (on upper left shroud)
• Hot at all times
• Pnk
• Trunk rel/pull down & fuel door rel fuse 17

Trunk Pull-Down Wiring Diagram for Buick Riviera 1991

List of elements for Trunk Pull-Down Wiring Diagram for Buick Riviera 1991:

• (not used)
• 1995 vftc c
• 20a
• C401
• Circuit breaker
• Closed
• Down
• Fuse block (front right side of console)
• G401 (right side front of trunk, on rear shelf support)
• G407 (rear center of trunk compartment)
• Hot at all times
• Interior lights system
• Nca
• Open
• Striker motor
• Striker switches
• Switch a
• Switch b
• Switch c
• Trunk lid ajar switch
• Trunk lid position switch
• Trunk lid pull-down unit
• Trunk rel/ pull- down & fuel door rel fuse 17

Trunk Release Wiring Diagram for Buick Riviera 1991

List of elements for Trunk Release Wiring Diagram for Buick Riviera 1991:

• 1995 vftc c
• 20a
• Door locks system (keyless entry module)
• Fuel door release switch
• Fuse block (front right side of console)
• Hot at all times
• Trunk lid release solenoid
• Trunk lid release switch
• Trunk rel/pull down & fuel door rel fuse 17

WIPER/WASHER

Interval Wiper/Washer Wiring Diagram for Buick Riviera 1991

List of elements for Interval Wiper/Washer Wiring Diagram for Buick Riviera 1991:

• (at right shroud) g203
• Cover assembly
• Fuse block
• Hot in accy or run
• Mechanical arm
• Mist
• Off
• Park switch
• Pnk
• Pnk f
• Pulse
• Pulse delay
• Red
• Timer
• Washer pump motor
• Washer switch
• Wiper fuse 12 25a
• Wiper motor module
• Wiper switch
• Wiper/ washer switch