Diagram sections — 13 (20 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 Park Avenue Ultra 1991 List of elements for Cooling Fan Wiring Diagram for Buick Park Avenue Ultra 1991: 34 A/c on in Air conditioning system B11 Coolant fan request Coolant fan resistor 1 (front of engine compt) Coolant fan resistor 2 (front of engine compt) D11 D13 D14 Data link connector Diagnostic test Engine coolant temperature sensor (left side Fuse 10a Fuse 40a G100 (left front of engine compt) Hi speed relay ctrl High speed coolant fan relay (center rear of engine compartment) Hot at all times Hot in run I/p fuse block Left coolant fan motor Left underhood fuse block Lo speed relay ctrl Low speed coolant fan relay (center rear of engine compartment) Nca Of engine) Powertrain control module (behind right side of i/p) Red Right coolant fan motor Sensor gnd Temp sensor in Vehicle speed sensor Vss gnd Vss in
DEFOGGERS Heated Windshield Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Heated Windshield Wiring Diagram for Buick Park Avenue Ultra 1991: 44 (forward of right front wheelhouse) heated windshield power module (lesabre) (park ave) 15a 3 phase a\c input 3 phase transformer and rectifier 350 (or 50) Aldl All except 1991 park avenue Bat C1 a C1 b Crack det Crack detection Dc output Dim/ twilight sentinel control Except 1991 park ave w/ electronic a/c F c1 Fir Fuse 10a Fuse 20a Fuse 25a G119 (top right front of eng) G200 (left kick panel) Generator Gnd Heated windshield Heated windshield control module (right side of i/p, top of right kick panel) Heated windshield control switch Hot at all times Hot in run I/p fuse block Ign bat Nca On ind On req P/n pos Park ave w/ electronic a/c Powertrain control module (top of right kick panel) Red Right underhood fuse block Rly ctrl Sens ref Transaxle position switch (on transaxle) Rear Defogger & Heated Mirrors Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Buick Park Avenue Ultra 1991: 28 ('91 park ave w/ dual a/c) (others) All except lesabre Circuit breaker 4 30a D5 (1991) (1992-93) Dual a/c (cj2) Electronic a/c (c67) F c3 Fuse 1 10a Fuse 17 25a Fuse 18 15a Fuse block (left side of i/p) G200 (left kick panel) G203 (right kick panel) Heater Heater & a/c control assembly Hot at all times Hot in run Hvac programmer J/c c305 (below right side of right front seat) J/c c327 (below left side of left front seat) Left outside mirror Nca Rear defogger Rear defogger relay (relay center) Relay center (right side of i/p) Right outside mirror Tan
HORN Horn Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Horn Wiring Diagram for Buick Park Avenue Ultra 1991: 15 25a Fuse 4 G100 (front of left front fender) G101 (front of right front fender) Horn relay (right side of safety wall) Horn switch Hot at all times Left horn (left side of engine compt) Of i/p) Relay center (right side of i/p) Remote accessory control module (right side Right horn (right side of engine compt) Slip ring Steering wheel With four note horns only
MEMORY SYSTEMS Memory System Wiring Diagrams (1 of 2) for Buick Park Avenue Ultra 1991 List of elements for Memory System Wiring Diagrams (1 of 2) for Buick Park Avenue Ultra 1991: 83 (under left front seat) memory seat/memory mirror control module 15a Battery C10 C11 C12 C13 C14 C15 C16 Circuit breaker 30a D10 D11 D12 D13 D14 D15 D16 Diagnostic connector (below left front seat, taped to body main harness) Diagnostic test 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 control Forward/back motor transmission (below left front seat) Front height control Front height down Front height down in Front height motor (below left front seat) Front height motor position sensor Front height motor transmission (below left front seat) Front height up Front height up in Frt height mtr pos in Fuse 10 20a Fuse 15 Fuse 6 15a Fwd/back motor (below left front seat) Fwd/back motor position sensor Fwd/back mtr pos in G200 (left kick panel) Ground Hot at all times Hot in run and during retained accessroy pwr Hot in run, bulb test or start I/p fuse block (left side of i/p) Ignition in Left mirror down in Left mirror right in Left seat switch Left-right motor cntr Left-right position in Memory 1 in Memory 2 in Memory select switch Mirror left in Mirror up in Nca Park in Park/neutral position switch (left rear of engine, left side of transaxle) Position sensor return Position sensors in Rear height control Rear height down Rear height down in Rear height motor (below left front seat) Rear height motor position sensor Rear height motor transmission (below left front seat) Rear height up Rear height up in Right mirror down in Right mirror right in Rr height mtr pos in Set memory in Set memory switch Solid state Tan Up-down motor cntr Up-down position in Memory System Wiring Diagrams (2 of 2) for Buick Park Avenue Ultra 1991 List of elements for Memory System Wiring Diagrams (2 of 2) for Buick Park Avenue Ultra 1991: 14 G200 (left kick panel) Left outside mirror Left- right motor Mirror down switch Mirror left switch Mirror position sensors Mirror right switch Mirror select switch Mirror up switch Nca Outside mirror control switch Right outside mirror Tan Up- down motor
POWER ANTENNA Power Antenna Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Power Antenna Wiring Diagram for Buick Park Avenue Ultra 1991: 22 10a 1995 vftc c 20a Antenna coax lead Antenna mast Antenna motor Antenna relay (right rear wheelhouse) Bose relay Down Down switch Fuse 11 Fuse 24 Fuse block G203 (at right shroud) Hot at all times Hot in run, accy, 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 Power Door Lock Wiring Diagram, with Keyless Entry for Buick Park Avenue Ultra 1991 List of elements for Power Door Lock Wiring Diagram, with Keyless Entry for Buick Park Avenue Ultra 1991: 67 (behind right side of i/p) (behind right side of i/p, above sound insulator) relay center (buick) (pontiac) (except park ave) (park ave) 15a 20a 30a 40a Battery Circuit breaker 4 Data link connector (below left side of i/p) Door lock relay assembly (behind right side of i/p) Door open input Except Except pontiac Except pontiac w/ anti-theft and park ave Fuse Fuse 20a 25a G200 (left kick panel) G201 (under right end of i/p) G203 (middle of right shroud) G402 (left side of luggage compt behind wheelhouse) Ground Hot at all times Hot in run, bulb test or start Hot in run, bulb test or start & with rap energized I/p fuse block Ignition Interior lamps relay control Interior lights system J/c c305 j/c c332 (right front door sill) Left front door isolation relay Left front door lock assembly Left front door lock motor Left front door lock switch Left rear door latch assembly Left rear door lock motor Lh underhood fuse block Lock Lock output Lock relay Luggage compartment lid release actuator (center rear of luggage compt lid, near latch) Luggage compartment lid release relay Luggage compt lid release relay Nca Park ave only Park input Park/ neutral position switch Pnk Pontiac w/ anti-theft and park ave Program input Red Relay center Relay center (behind right side of i/p) Remote accessory control module (behind right side of i/p, near relay center) Right front door lock assembly Right front door lock motor Right front door lock switch Right rear door latch assembly Right rear door lock motor Tan Theft deterrent fuse 15a Unlock Unlock output Unlock relay W/o theft deterrent W/theft deterrent Power Door Lock Wiring Diagram, without Keyless Entry for Buick Park Avenue Ultra 1991 List of elements for Power Door Lock Wiring Diagram, without Keyless Entry for Buick Park Avenue Ultra 1991: 22 (buick) (pontiac) Circuit breaker 4 30a Door lock relay assembly (behind right side of i/p) Except Fuse 15a G201 (under right end of i/p) Hot at all times I/p fuse block (left side of i/p) J/c c204 (right front door) sill) J/c c305 j/c c332 (right front door sill) Left front door lock motor Left front door lock switch Left rear door lock motor Lock Lock relay Relay center (right side of i/p) Right front door lock motor Right front door lock switch Right rear door lock motor Tan Un- lock Unlock relay
POWER MIRRORS Power Mirror Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Power Mirror Wiring Diagram for Buick Park Avenue Ultra 1991: 43 (buick) (buick) (olds) (left kick panel) (olds) (w/ rap) (w/o rap) Ambient light sensor (winshield side) Automatic day/night mirror Down Drive unit Except 1992 buick lesabre Fuse 10 fuse 2 20a Fuse 15 15a Fuse 15a G200 G200 (left kick- panel) Ground Headlamp sensor (mirror side) Hot at all times i/p fuse block Hot in run, bulb test and start hot in run and during rap Hot in run, bulb test or start I/p fuse block Indicator control J/c c340 j/c c327 (below left front door sill) Left Left outside mirror Left/ right mirror motor Max Min Mirror position switch Mirror selector Mirror switch Nca Off On indicator Outside mirror control switch Reset to daytime high reflectivity in reverse Right Right outside mirror Sensitivity settings Transaxle position switch (on left side of transaxle) Up/down mirror motor Up/dwn mirror motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for 6-Way Power Seat Wiring Diagram for Buick Park Avenue Ultra 1991: 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 c204 (right front door sill) Left seat switch Rear height Rear height motor Right seat switch Tan Recliner Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Recliner Wiring Diagram for Buick Park Avenue Ultra 1991: 17 30a Circuit breaker 4 Fuse block Fwd G200 (left kick panel) G203 (right kick panel) Hot at all times J/c c305 (right front door sill) J/c c327 (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 for Buick Park Avenue Ultra 1991 List of elements for Power Window Wiring Diagram for Buick Park Avenue Ultra 1991: 28 Battery input C327 Circuit breaker 3 30a Current sense input Down input Express down window module (center of left front door) G200 (left kick panel) Hot in run & during retained accessory power I/p fuse block Left front window Left front window motor Left rear window Left rear window motor Left rear window switch Master switch assembly Pnk Relay Relay control switch Right front window Right front window motor Right front window switch Right rear window Right rear window motor Right rear window switch Solid state Tan Timer & control unit Up input
RADIO Radio Wiring Diagrams, with Delco Bose for Buick Park Avenue Ultra 1991 List of elements for Radio Wiring Diagrams, with Delco Bose for Buick Park Avenue Ultra 1991: 42 (top of right shroud) g203 A/c system Antenna Antenna input Battery pwr input Bose relay Coaxial cable Display dim output Engine controls system Fuse 11 15a Fuse 24 10a Fuse 5 20a G200 (top of left shroud) Ground Hot at all times Hot in acc, run or w/ rap energized I/p fuse block Interior lights system Left front amplifier speaker unit Left rear amplifier speaker unit Lights on input Lt front spkr (+) Lt rear spkr (+) Nca On output Panel light Pnk Power antenna Power input Radio Red Relay center (behind right side of i/p) Right front amplifier speaker unit Right rear amplifier speaker unit Right underhood fuse block Rt front spkr (+) Rt rear spkr (+) Rt/lt front spkr (-) Rt/lt rear spkr (-) Shield ground Tan Vehicle speed input Radio Wiring Diagrams, without Delco Bose for Buick Park Avenue Ultra 1991 List of elements for Radio Wiring Diagrams, without Delco Bose for Buick Park Avenue Ultra 1991: 42 (w/uq8) (w/uw6) Antenna Battery power C 1995 vftc Coaxial cable Display dim output Display dim signal Engine controls system Fuse 11 15a Fuse 24 10a Fuse block (left side of i/p) G200 (left kick panel) Ground Heater and a/c control assembly Hot at all times Hot in acc, run or w/ rap energized Ignition input Interior lights system Left front + Left front - Left front speaker Left lower front door speaker (w/uw6) 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 (w/uw6) Right rear + Right rear - Right rear speaker Right upper front door speaker (w/uw6) Tan Vehicle speed input
STARTING/CHARGING Charging Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Charging Wiring Diagram for Buick Park Avenue Ultra 1991: 19 'volts' indicator (gages) a1 a9 (indicators) (gages) b10 b1 (indicators) Alternator Bat Battery Bulb test or start Fuse 15a G120 (right side of engine) Gages Hot in run, Hot in run, bulb test or start I/p fuse block (left side of I/p, behind trim panel) Indicator Instrument cluster Relay center (behind right side of i/p, above right shroud) Volts led Starting Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Starting Wiring Diagram for Buick Park Avenue Ultra 1991: 26 A3 a4 Accy Battery Bulb test Fuse 10a Fuse 60a G120 (right side of engine) Ignition switch Lock Nca Off Park avenue lesabre Pass key decoder module (right side of dash) Pnk Power distribution system Power distribution system (park avenue) Red Relay center (right side of dash) Right underhood fuse block Run Start Starter enable relay control Starter interrupt relay (behind center of dash) Starter motor Starter solenoid Transaxle position switch (left rear of engine compartment)
TRUNK, TAILGATE, FUEL DOOR Trunk Pull-Down Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Trunk Pull-Down Wiring Diagram for Buick Park Avenue Ultra 1991: 20 1995 vftc c 25a 40a Fuse Fuse 15a Fuse 4 G404 (left rear of trunk) Hot at all times Hot in run, bulb test or start I/p fuse block Information center Latched Pull-down unit Red Relay center (right side Right underhood fuse block Striker fully extended Striker fully pulled down Trunk ajar indicator Unlatched Trunk & Fuel Door Release Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Trunk & Fuel Door Release Wiring Diagram for Buick Park Avenue Ultra 1991: 15 Door locks system Fuel door release solenoid Fuel door release switch Fuel door/ luggage compartment lid release switch assembly Fuse 10 20a G200 (left kick panel) Hot in run and w/ rap energized I/p fuse block Interior lights system Luggage compartment lid release solenoid Luggage compartment lid release switch Nca Pnk Transaxle position switch Valet switch
WIPER/WASHER Interval Wiper/Washer Wiring Diagram for Buick Park Avenue Ultra 1991 List of elements for Interval Wiper/Washer Wiring Diagram for Buick Park Avenue Ultra 1991: 26 (front of left front fender) g100 Cover assembly Fuse 25 25a Fuse block G119 (right front of engine) Hot in accy, run of during rap 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
