Diagram sections — 12 (21 total)
COOLING FAN DEFOGGERS HORN POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING TRUNK, TAILGATE, FUEL DOOR WIPER/WASHER
COOLING FAN Cooling Fan Wiring Diagram for Buick Riviera 1991 List of elements for Cooling Fan Wiring Diagram for Buick Riviera 1991: 29 (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: 32 (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: 15 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: 17 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: 20 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: 87 (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: 30 (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: 18 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: 25 (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: 12 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: 25 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: 31 (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: 7 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: 40 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: 33 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: 10 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: 20 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: 9 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: 23 (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: 9 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: 20 (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
