Diagram sections — 10 (14 total)
DEFOGGERS HORN POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING WIPER/WASHER
DEFOGGERS Defogger Wiring Diagram for Buick Estate Wagon 1990 List of elements for Defogger Wiring Diagram for Buick Estate Wagon 1990: 18 (in tailgate) (near right trunk hinge) Braided Fuse block (left side of i/p) G204 (left of steering column) G405 G407 Gages fuse 20a Hot at all times Hot in run or start Off On indicator Pwr acc circuit breaker 30a Rear defogger Rear defogger control Sedan Timer Wagon
HORN Horn Wiring Diagram for Buick Estate Wagon 1990 List of elements for Horn Wiring Diagram for Buick Estate Wagon 1990: 8 Convenience center (behind left side of i/p) Fusible link a (lower left side of engine) Horn (left front of engine compt) Horn relay Horn switch Hot at all times Red Slip ring
POWER ANTENNA Power Antenna Wiring Diagram for Buick Estate Wagon 1990 List of elements for Power Antenna Wiring Diagram for Buick Estate Wagon 1990: 19 (buick) clk-cig fuse (olds) 20a 10a Antenna coax lead Antenna mast Antenna motor Antenna relay (right side of i/p) C464 Cig-clk fuse Down switch Fuse block (left side of i/p) G201 (center of i/p, and right side of radio) Hot at all times Hot in accy or run Nca Off Pnk Radio Radio fuse Up switch
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Buick Estate Wagon 1990 List of elements for Power Door Locks Wiring Diagram for Buick Estate Wagon 1990: 24 (buick) (olds) Chevy only Ctsy clock fuse 20a Dome dome ctsy fuse 20a Door lock relay assembly (right shroud, near lower access hole) Fuse block (left side of i/p) Hot at all times Left front door lock motor Left front door lock switch Left rear door lock motor Lock Lock relay Olds & buick Pwr accy circuit breaker 30a Right front door lock motor Right front door lock switch Right rear door lock motor Station wagon only Tailgate lock motor Tan Unlock Unlock relay W/ power seats only Power Tailgate Lock Wiring Diagram, without Power Locks for Buick Estate Wagon 1990 List of elements for Power Tailgate Lock Wiring Diagram, without Power Locks for Buick Estate Wagon 1990: 14 A c1 C c2 Dome ctsy fuse 20a Fuse block (left side of i/p) Hot at all times Lock Lock relay Power lock relay assembly (right shroud, near lower access hole) Pwr accy circuit breaker 30a Tailgate lock motor Tailgate lock switch Tan Unlock Unlock relay
POWER MIRRORS Power Mirror Wiring Diagram for Buick Estate Wagon 1990 List of elements for Power Mirror Wiring Diagram for Buick Estate Wagon 1990: 17 (chevy) (olds & buick) C641 C642 C643 Ctsy-clk fuse dome fuse 20a Fuse block G203 (right shroud near center access hole) G500 (in left front door) Hot at all times Left outside power mirror Left outside power mirror switch Left-right motor Nca Right outside power mirror Right outside power mirror switch Up-down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Buick Estate Wagon 1990 List of elements for 6-Way Power Seat Wiring Diagram for Buick Estate Wagon 1990: 21 1995 vftc c Back Breaker 30a Down Entire seat Front height Front height motor Fuse block Fwd Fwd/ back motor G309 (front of left door) G316 (front of right door) Hot at all times Left front seat Left seat switch Pwr/acc circuit Rear height Rear height motor Right front seat Right seat switch Tan
POWER WINDOWS Power Windows Wiring Diagram for Buick Estate Wagon 1990 List of elements for Power Windows Wiring Diagram for Buick Estate Wagon 1990: 18 Fuse block G500 (in front of left front door) Hot in run Left front window Left front window motor Left rear window Left rear window motor Left rear window switch Pnk Power window master switch assembly Right front window Right front window motor Right front window switch Right rear window Right rear window motor Right rear window switch Tan Wdo circuit breaker 30a Tailgate Power Window Wiring Diagram for Buick Estate Wagon 1990 List of elements for Tailgate Power Window Wiring Diagram for Buick Estate Wagon 1990: 25 (behind center of i/p, above & right of radio) g206 Buick Buick & oldsmobile Chevrolet Chevy Chevy & buick Chevy & olds Circuit breaker Control switch pigtailed on buick models Fuse block Hot at all times Hot in run Illumination (buick estate wagon) Interior lights system Lower Nca Olds Pnk Pwr/acc circuit breaker 30a Raise Tailgate block out switch (upper right corner of tailgate) (open when tailgate is open) Tailgate key switch Tailgate power window control switch Tailgate power window motor (inside left side of tailgate) Wdo circuit breaker 30a
RADIO Radio Wiring Diagrams for Buick Estate Wagon 1990 List of elements for Radio Wiring Diagrams for Buick Estate Wagon 1990: 36 (buick) (olds) Antenna Antenna input Antenna relay Battery power C258 Cig-clk fuse 20a (buick) Clk-cig fuse 20a (olds) Coaxial cable Dim signal Fuse block (behind left side of i/p) G201 (behind right side of i/p) G202 (behind left side of i/p) Ground Hot at all times Hot in acc or run Ignition power Interior lights system Left front speaker Left rear speaker Lt frt spkr (+) Lt frt spkr (-) Lt rear spkr (+) Lt rear spkr (-) On output Panel light Radio Radio fuse 10a Right front speaker Right rear speaker Rt frt spkr (+) Rt frt spkr (-) Rt rear spkr (+) Rt rear spkr (-) Tan
STARTING/CHARGING Charging Wiring Diagram for Buick Estate Wagon 1990 List of elements for Charging Wiring Diagram for Buick Estate Wagon 1990: 22 (behind left side of i/p) (left front fender, behind battery) (vin y) g100 g101 (vin z, vin e) (right front fender, behind battery) (top left front of engine) (vin y) g110 g119 (vin z, vin e) (front of engine, on engine stud) (w/ gages) (w/o gages) (w/o gages) (w/ gages) Alt fuse 20a Alternator Bat Battery Bulb test or start Charge indicator Fuse block Fusible link d (16 ga- rust) Fusible link e (12 ga- rust) Gages fuse 20a Hot in run Hot in run, Instrument cluster Red V t Vin y Vin z, vin e Starting Wiring Diagram for Buick Estate Wagon 1990 List of elements for Starting Wiring Diagram for Buick Estate Wagon 1990: 20 (top left front of engine) (vin y) g110 (vin z, vin e) (front of right cylinder head) Accy Air conditioning, power distribution system Battery Bulb test Engine controls system Fusible link a (16 ga-rust) Fusible link b (16 ga-rust) G100 (vin y) (left front fender, behind battery) G101 (vin z, vin e) (right front fender) G119 Ignition switch Lock Off Red Run Start Starter motor Starter solenoid
WIPER/WASHER 2-Speed Wiper/Washer Wiring Diagram for Buick Estate Wagon 1990 List of elements for 2-Speed Wiper/Washer Wiring Diagram for Buick Estate Wagon 1990: 26 (not used) Buick Buick only Fuse block G202 (behind left side of i/p) G206 (behind center of i/p) Hot in accy or run Instrument cluster Mist Motor Nca Off lo Olds & buick only Olds & chevy Park relay Pnk Washer fluid level switch Washer fluid low indicator Washer pump relay solenoid Washer pump relay solenoid diode (taped inside conn) Washer switch Wiper fuse 25a Wiper motor relay diode (taped inside conn) Wiper switch Wiper/ washer assembly Wiper/ washer control Interval Wiper/Washer Wiring Diagram for Buick Estate Wagon 1990 List of elements for Interval Wiper/Washer Wiring Diagram for Buick Estate Wagon 1990: 26 Buick Buick & olds only Buick only Control board Delay Fuse block G202 (left side of i/p) G206 (center of i/p) Hot in accy or run Instrument cluster Mist Motor Off Olds & chevy Park relay Pnk Washer fluid level switch Washer fluid low indicator Washer pump relay solenoid Washer pump relay solenoid diode (taped inside conn) Washer switch Wiper fuse 25a Wiper motor relay diode (taped inside conn) Wiper switch Wiper/ washer assembly Wiper/washer switch
