Diagram sections — 13 (22 total)
COOLING FAN DEFOGGERS HORN MEMORY SYSTEMS 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 Electra T-Type 1990 List of elements for Cooling Fan Wiring Diagram for Buick Electra T-Type 1990: 31 (behind right side of i/p) powertrain control module A/c coolant fan pressure switch (right rear of radiator) A/c on in Air conditioning system Auxiliary coolant fan motor Auxiliary coolant fan relay (left side of engine compt) B10 Coolant fan motor Coolant fan resistor (front of engine compt) Data link connector Diagnostic test Engine coolant temperature sensor (left side Fuse 5a Fusible link (18ga) G100 (left front of engine compt) Hi speed and aux relay ctrl High speed coolant fan relay (left side of engine compt) Hot at all times Hot in run I/p fuse block Lo speed relay ctrl Low speed coolant fan relay (left side of engine compt) Of engine) Red Rust Sensor gnd Temp sensor in Vehicle speed sensor Vss gnd Vss in W/ heavy duty cooling system
DEFOGGERS Rear Defogger & Heated Mirrors Wiring Diagram for Buick Electra T-Type 1990 List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Buick Electra T-Type 1990: 28 (1990) (1991) (1991) (1990) Circuit breaker 24 circuit breaker 23 30a Electra/ park avenue w/ heated mirror Electra/park avenue Electronic a/c Fuse 3 7.5a Fuse 7 25a Fuse block (left side of i/p) G200 (left kick panel) Heater & a/c control assembly Hot at all times Hot in run J/c c323 (below left side of left front seat) J/c c327 (below left side of left front seat) Left heated mirror Lesabre Manual a/c Nca Off Rear defogger Rear defogger capacitor Rear defogger capacitor (lesabre only) Rear defogger control Rear defogger relay (relay center) Relay center (right side of i/p) Tan Timer relay
HORN Horn Wiring Diagram, with Theft Deterrent for Buick Electra T-Type 1990 List of elements for Horn Wiring Diagram, with Theft Deterrent for Buick Electra T-Type 1990: 17 Fuse 20a Fusible link e Horn relay Horn switch Hot at all times In-line fuse a 25a (left side of i/p) Left horn (left side of engine compt) Power distribution Red Relay center (right side of i/p) Right horn (right side of engine compt) Rust Slip ring Steering wheel Theft deterrent controller (behind left side of i/p) Theft deterrent relay (left side of i/p) With four note horns only Horn Wiring Diagram, without Theft Deterrent for Buick Electra T-Type 1990 List of elements for Horn Wiring Diagram, without Theft Deterrent for Buick Electra T-Type 1990: 14 Fuse 20a Fusible link e Horn relay Horn switch Hot at all times Left horn (left side of engine compt) Power distribution Red Relay center (right side of i/p) Right horn (right side of engine compt) Rust Slip ring Steering wheel With four note horns only
MEMORY SYSTEMS Memory System Wiring Diagrams for Buick Electra T-Type 1990 List of elements for Memory System Wiring Diagrams for Buick Electra T-Type 1990: 46 (under lfft front seat) memory seat/memory mirror control module Battery Circuit breaker 30a Easy exit switch Entire seat back Entire seat back in Entire seat down Entire seat forward Entire seat fwd in Entire seat up Forward/back output Front height down Front height down in Front height motor (below left front seat) Front height output Front height up Front height up in Fuse 16 20a Fuse 19 15a Fuse block (left side of i/p) Fwd/back motor (below left front seat) G200 (left kick panel) Ground Hot at all times Hot in run, bulb test or start Ignition in Left seat switch M m Memory 1 in Memory 2 in Memory select switch Nca Not used Park in Park/neutral position switch (left rear of engine, left side of transaxle) Rear height down Rear height down in Rear height motor (below left front seat) Rear height output Rear height up Rear height up in Seat memory in Set memory switch Solid solid state state Solid state Tan
POWER ANTENNA Power Antenna Wiring Diagram for Buick Electra T-Type 1990 List of elements for Power Antenna Wiring Diagram for Buick Electra T-Type 1990: 21 10a 20a Antenna coax lead Antenna mast Antenna motor Antenna relay (right rear wheelhouse) Down Down switch Fuse 11 Fuse 4 Fuse block (left side of i/p, behind access door) G200 (at left shroud) G203 (at right shroud) Hot at all times Hot in run, acc, or during retained accy power Nca Off Pnk Radio Relay center (w/ delco bose only) (right side of i/p, at right shroud) Up switch
POWER DOOR LOCKS Automatic Door Locks Wiring Diagram for Buick Electra T-Type 1990 List of elements for Automatic Door Locks Wiring Diagram for Buick Electra T-Type 1990: 55 Anti-theft system (theft deterrent controller) Automatic door lock controller (behind right side of i/p) Battery C338 (right front door sill) C339 (left front door sill) Circuit breaker 24 30a Door jamb input Door lock relay assembly (behind right side of i/p) Dr lock cyl sw in Fuse 15a Fuse 20a Fuse block (left side of i/p) G201 (under right end of i/p) G202 (left end of i/p) Ground Headlights system Hot at all times Hot in run, bulb test or start Ignition Interior lights system J/c c305 (right front door sill) J/c c308 (right front door sill) J/c c309 (right front door sill) J/c c323 (left front door sill) J/c c336 (right front door sill) Keyless entry module Left front door jamb switch Left front door lock cylinder switch Left front door lock motor Left front door lock switch Left rear door jamb switch Left rear door lock motor Lock Lock output Lock relay Nca Nca b Park input Pnk Power seats system (seat memory module) Right front door jamb switch Right front door lock cylinder switch Right front door lock motor Right front door lock switch Right rear door jamb switch Right rear door lock motor Tan Transaxle position switch (on transaxle) Unlock Unlock output Unlock relay W/ keyless entry W/ theft deterrent and keyless entry W/o keyless entry only W/o theft deterrent or keyless entry Power Door Locks Wiring Diagram for Buick Electra T-Type 1990 List of elements for Power Door Locks Wiring Diagram for Buick Electra T-Type 1990: 28 (1990) (1991) (buick) (pontiac) 4 door only Circuit breaker 30a Door lock relay assembly (behind right side of i/p) Except pontiac Fuse 20a Fuse block (left side of i/p) G201 (under right end of i/p) Hot at all times J/c c305 j/c c330 (right front door sill) J/c c308 j/c c328 (right front door sill) J/c c326 j/c c307 (left front door sill) J/c c336 j/c c308 (right front door sill) Keyless entry module Left front door lock motor Left front door lock switch Left rear door lock motor Lock Lock relay Right front door lock motor Right front door lock switch Right rear door lock motor Tan Un- lock Unlock relay W/ rke W/o rke Remote/Keyless Entry Wiring Diagram for Buick Electra T-Type 1990 List of elements for Remote/Keyless Entry Wiring Diagram for Buick Electra T-Type 1990: 57 (1991) (1990) Anti-theft system (door lock cylinder switches) Anti-theft system (theft deterrent controller) Automatic door lock controller Battery Circuit breaker 30a Door jamb switches Door lock relay assembly (behind right side of i/p) Dr lk cyl operation Fuse 15a Fuse 20a Fuse block (left side of i/p) G119 (right front of engine) G201 (under right end of i/p) G202 (left end of i/p) Ground Headlights system Hot at all times Hot in run, bulb test or start Ignition Illum entry control Interior lights system (illuminated entry timer) J/c c215 (upper right side of i/p) J/c c305 (right front door sill) J/c c308 (right front door sill) J/c c336 (right front door sill) Keyless entry module Keyless entry module (behind right side of i/p) Left front door jamb switch Left front door lock motor Left front door lock switch Left frt dr unlock Left rear door jamb switch Left rear door lock motor Lock Lock output Lock relay Nca Nca b Park input Pnk Power seats system (seat memory module) Program connector (right side of i/p) Program input Right front door jamb switch Right front door lock motor Right front door lock switch Right rear door jamb switch Right rear door lock motor Tan Theft deterrent diode (left side of i/p, near steering column) Transaxle position switch (on transaxle) Trunk release Trunk, tailgate, fuel door release system (luggage compt lid release solenoid) Unlock Unlock output Unlock relay
POWER MIRRORS Power Mirror Wiring Diagram for Buick Electra T-Type 1990 List of elements for Power Mirror Wiring Diagram for Buick Electra T-Type 1990: 37 (cadiliac) (buick, olds) (left kick panel) (right kick panel) A nca Ambient light sensor (winshield side) Automatic day/ night mirror Down Except 1991 buick lesabre, & olds eighty- eight Fuse 15 20a Fuse 16 20a Fuse 19 20a 15a Fuse block G200 G203 Ground Headlamp sensor (mirror side) Hot at all times Hot in run, bulb test or start Left Left outside mirror Left/ right mirror motor Max Min Mirror position switch Mirror select switch Mirror switch Nca Nca b Nca d Nca h Off Outside mirror control switch Reset to daytime high reflectivity in reverse Right Right outside mirror Transaxle position switch (top of transaxle) Up/down m mirror motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Buick Electra T-Type 1990 List of elements for 6-Way Power Seat Wiring Diagram for Buick Electra T-Type 1990: 19 Back C 1995 vftc Circuit breaker 30a Down Entire seat For- ward Forward/ back motor Front height Front height motor Fuse block G200 (left kick panel) G203 (right kick panel) Hot at all times J/c c308 (right front door sill) Left seat switch Rear height Rear height motor Right seat switch Tan Lumbar Wiring Diagram for Buick Electra T-Type 1990 List of elements for Lumbar Wiring Diagram for Buick Electra T-Type 1990: 85 c2 c3 (below driver's seat) lumbar control module 10a 1995 vftc c A nca B nca Breaker 23 30a Circuit Console lid switch Deflate relay Electroluminescent lamp Fuse block G200 (left kick panel) Ground Head Head/ park light switch Headrest Headrest control Headrest deflate Headrest down Headrest down input Headrest inflate Headrest up Headrest up input Hot at all times Hot in run In-line circuit breaker Inflate relay Inverter ac output Left seat headrest motor Left seat recliner motor Left seat select Left seat solenoid/valve assembly (underside of left front seat) Low lumbar Low lumbar control Low lumbar def Low lumbar inf Lower lumbar Mid lumbar Mid lumbar control Mid lumbar def Mid lumbar inf Middle lumbar Nca Not used Off Park Pnk Pnk a Pnk h Power Power input Pressure cut-out relay Pressure cut-out sw Pressure cut-out switch Recline back input Recline fwd input Recliner back Recliner backward Recliner forward Recliner fwd Red Red f Ribbon connector Right seat headrest motor Right seat recliner motor Right seat select Right seat solenoid/valve assembly (underside of right front seat) Seat air pump assembly (below driver's seat) Seat control module (in center console) Seat control switch Seat select Seat select input Seat selection indicators Selection indicator Thigh Thigh control Thigh control Thigh control inf Thigh deflate Upper lumbar Upper lumbar control Upper lumbar def Upper lumbar inf Recliner Wiring Diagram for Buick Electra T-Type 1990 List of elements for Recliner Wiring Diagram for Buick Electra T-Type 1990: 18 30a Circuit breaker 24 Fuse block Fwd G200 (left kick panel) G203 (right kick panel) Hot at all times J/c c305 (right front door sill) J/c c308 (right front door sill) J/c c323 (left front door sill) Left recliner switch Left seat recliner capacitor Left seat recliner motor Nca Recline Right recliner switch Right seat recliner capacitor Right seat recliner motor
POWER WINDOWS Power Window Wiring Diagram, 4 Door for Buick Electra T-Type 1990 List of elements for Power Window Wiring Diagram, 4 Door for Buick Electra T-Type 1990: 27 (1990 electra, park avenue & lesabre) (1991 lesabre) (left side of i/p) g202 1990 electra & park avenue models 1990 electra & park avenue w/sunroof &/or power seats All other models C323 Circuit breaker 23 circuit breaker 24 30a Electra & park avenue Hot in run I/p fuse block Left front window Left front window motor Left rear window Left rear window motor Left rear window switch Lesabre Master switch assembly Pnk Power seats system Power tops system Right front window Right front window motor Right front window switch Right rear window Right rear window motor Right rear window switch Tan
RADIO Radio Wiring Diagrams, with Delco Bose for Buick Electra T-Type 1990 List of elements for Radio Wiring Diagrams, with Delco Bose for Buick Electra T-Type 1990: 40 (top of right shroud) g203 Antenna Antenna input Battery pwr input Bose relay Coaxial cable Data line Display dim output Fuse 1 15a Fuse 11 20a Fuse 4 10a Fuse block (left i/p, behind trim panel) G200 (top of left shroud) Ground Heater and a/c control assembly (w/ electronic a/c only) Hot at all times Hot in acc or run Interior lights system Left front amplifier speaker unit Left rear amplifier speaker unit Lights on input Lt front spkr (+) Lt rear spkr (+) Nca Not used On output Panel light Pnk Power antenna Power input Radio Relay center (behind right side of i/p) Right front amplifier speaker unit Right rear amplifier speaker unit Rt front spkr (+) Rt rear spkr (+) Rt/lt front spkr (-) Rt/lt rear spkr (-) Shield ground Tan Radio Wiring Diagrams, without Delco Bose for Buick Electra T-Type 1990 List of elements for Radio Wiring Diagrams, without Delco Bose for Buick Electra T-Type 1990: 40 (park ave & electra) Antenna Battery power C 1995 vftc Coaxial cable Data signal Display dim output Display dim signal Fuse 11 20a Fuse 4 10a Fuse block (left side of i/p) G200 (left kick panel) Ground Heater and a/c control assembly (electronic a/c only) Hot at all times Hot in acc or run Ignition input Interior lights system Left front + Left front - Left front speaker Left lower front door speaker (park ave & electra) Left rear + Left rear - Left rear speaker Left upper front door speaker Panel lights Pnk Power antena Power antenna Radio Right front + Right front - Right front speaker Right lower front door speaker (park ave & electra) Right rear + Right rear - Right rear speaker Right upper front door speaker (park ave & electra) Tan
STARTING/CHARGING Charging Wiring Diagram for Buick Electra T-Type 1990 List of elements for Charging Wiring Diagram for Buick Electra T-Type 1990: 21 (buick-all, olds-1990) (olds 1991- 92) Alternator Bat Battery Bulb test or start Fuse 15a Fuse 20a Fuse 20a Fuse block (left side of G107 (oldsmobile) (right front corner of engine compartment, above horn) G119 (oldsmobile) (right front of engine, on end of cylinder head) G120 (buick) (right side of engine) Hot in run, Hot in run, bulb test or start I/p, behind trim panel) Instrument cluster Oldsmobile Relay center (behind right side of i/p, above right shroud) Volts indicator Warning systems (w/ reminder package) (oldsmobile) Starting Wiring Diagram for Buick Electra T-Type 1990 List of elements for Starting Wiring Diagram for Buick Electra T-Type 1990: 21 Accy Battery Bulb test Fusible link a (16 ga- rust) G120 (right side of engine) Ignition switch Lock Off Pnk Positive j/b (center of safety wall) Red Run Start Starter interrupt relay (behind center of dash) Starter interrupt relay control Starter motor Starter solenoid Theft deterrent controller (left rear of engine compartment) Transaxle position switch (left rear of engine compartment) W/ theft deterrent W/o theft deterrent
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Buick Electra T-Type 1990 List of elements for Trunk & Fuel Door Release Wiring Diagram for Buick Electra T-Type 1990: 11 1995 vftc c 20a Door locks system Fuel door release switch Fuel door release solenoid Fuse 20 Fuse block (mounted in left side of i/p, behind trim panel) Hot in run, bulb test or start Luggage compartment release solenoid Luggage compartment release switch Pnk Trunk Pull-Down Wiring Diagram for Buick Electra T-Type 1990 List of elements for Trunk Pull-Down Wiring Diagram for Buick Electra T-Type 1990: 14 1995 vftc c 20a 30a Circuit breaker Fuse 4 Fuse block (left side of i/p, behind trim panel) G203 (at right shroud, near center access hole) Hot at all times Latched Pull-down unit Relay center (right side of i/p, near shroud) Striker fully extended Striker fully pulled down Unlatched
WIPER/WASHER 2-Speed Wiper/Washer Wiring Diagram for Buick Electra T-Type 1990 List of elements for 2-Speed Wiper/Washer Wiring Diagram for Buick Electra T-Type 1990: 21 Except lesabre & bonneville Fuse 5 25a Fuse block G100 (front of left front fender) G119 (right front of engine) Hot in accy or run Instrument cluster Mechanical arm Mist Nca Off Park switch Pnk Red Washer fluid level switch Washer fluid low indicator Washer pump motor Washer switch Wiper motor module Wiper switch Wiper/ washer switch Interval Wiper/Washer Wiring Diagram for Buick Electra T-Type 1990 List of elements for Interval Wiper/Washer Wiring Diagram for Buick Electra T-Type 1990: 27 (front of left front fender) g100 Cover assembly Except lesabre & bonneville Fuse 5 25a Fuse block G119 (right front of engine) Hot in accy or run Instrument cluster Mechanical arm Mist Nca Nca e9 Off Park switch Pnk Pnk f Pulse Pulse delay Red Timer Washer fluid level switch Washer fluid low indicator Washer pump motor Washer switch Wiper motor module Wiper switch Wiper/ washer switch
