Diagram sections — 12 (20 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
3.1L 3.1L (VIN T), Cooling Fan Wiring Diagram, Early Production for Buick Regal Gran Sport 1991 List of elements for 3.1L (VIN T), Cooling Fan Wiring Diagram, Early Production for Buick Regal Gran Sport 1991: 24 (below exhaust manifold) g133 60a A/c compressor control relay A/c intermediate pressure sensor (left front engine compt, on accumulator) B20 C10 C16 Coolant temperature sensor (left front of engine) D21 Defogger coolant fan fusible element g Engine control module (right front engine compt) Engine controls system Fusible element e 30a G133 (below exhaust manifold) Hot at all times Hot in run Ign fuse 10a Nca Primary coolant fan relay Primary cooling fan Red Right side electrical center (right side of engine compt) Secondary coolant fan relay Secondary cooling fan 3.1L (VIN T), Cooling Fan Wiring Diagram, Late Production for Buick Regal Gran Sport 1991 List of elements for 3.1L (VIN T), Cooling Fan Wiring Diagram, Late Production for Buick Regal Gran Sport 1991: 31 (1991-92) (1993) (3.1l gen ii s) (3.1l) (3.1l gen ii s) (3.1l gen ii s) (3.1l) (3.1l) A17 A31 B1 a3 B2 a9 C10 C16 C21 Engine control module (right front engine compt) Engine controls system Engine controls system (a/c pressure sensor) Engine coolant temperature sensor Fusible element l 60a Fusible element n 30a G110 (lower left front of engine, on transaxle stud) Hot at all times Hot in run Ign fuse 10a Ign fuse 15a Nca Primary coolant fan Primary cooling fan relay Red Right side electrical center (right side of engine compt) Secondary coolant fan Secondary cooling fan relay
3.8L 3.8L (VIN L), Cooling Fan Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for 3.8L (VIN L), Cooling Fan Wiring Diagram for Buick Regal Gran Sport 1991: 29 (1990 all & 1991 early) (1990) (1991-93) (1990-92) (1993) (1991 late & 1992-93) (on engine) g133 1991-93 A13 A19 (1990) C13 D19 (1991-93) Engine control module (right front engine compt) Engine controls system Engine coolant temperature sensor (top of engine) Fan a/c pressure switch (on a/c line near acumulator Fan fuse 3a Fan relay 1 Fan relay 2 Fan relay 3 Fusible element d element n 30a Fusible element e element m 30a G133 (on engine) Hot at all times Hot in run Ign fuse 10a 15a Nca Primary coolant fan Red Right side electrical center (right side of engine compt) Secondary coolant fan
DEFOGGERS Defogger Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Defogger Wiring Diagram for Buick Regal Gran Sport 1991: 36 ('91-'93 w/ c68) (1990 regal & cut supreme) (1990-92) (1993) (all others) (c67) (c67) (c68) (c68) (c67) 1990-91 1990-92 1992-93 C1 c1 C1 c3 C3 c1 Clust fuse 10a Component center (right side of i/p) Defogger switch Fuse block (right side of i/p) G102 (left strut tower) G110 (lower left front of eng) G205 (right side of steering column bracket) G300 (under left front seat) G301 (under right front seat) Heater & a/c control assembly Hot at all times Hot in run Hot in run, bulb test or start Illum Indic fuse 10a Interior lights system Nca On ind Rear defog circuit breaker 30a Rear defogger Rear defogger timer relay (in component center) Timer
HORN Horn Wiring Diagram, 2 Door for Buick Regal Gran Sport 1991 List of elements for Horn Wiring Diagram, 2 Door for Buick Regal Gran Sport 1991: 10 Forward light electrical center (right front of engine compt) Fuse block (right side of i/p) G108 (left radiator support) Horn (left front side of engine compt) Horn fuse 15a Horn relay Horn switch Hot at all times Slip ring Steering wheel Horn Wiring Diagram, 4 Door for Buick Regal Gran Sport 1991 List of elements for Horn Wiring Diagram, 4 Door for Buick Regal Gran Sport 1991: 9 Fuse block (right side of i/p) G108 (left radiator support) Horn (front left side of engine compt) Horn fuse 15a Horn relay (right side of engine compt) Horn switch Hot at all times Slip ring Steering wheel
POWER ANTENNA Power Antenna Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Power Antenna Wiring Diagram for Buick Regal Gran Sport 1991: 17 30a Antenna Antenna coax lead Antenna motor Antenna relay (in fender, behind right rear wheelhouse) C c Component center Down switch G300 (1993) (under left front seat) G301 (1988-92) (under right front seat) Hot at all times Nca Pnk Pwr acc circuit breaker Radio Radio on output Up switch
POWER DOOR LOCKS Door Lock Wiring Diagram, with Keyless Entry for Buick Regal Gran Sport 1991 List of elements for Door Lock Wiring Diagram, with Keyless Entry for Buick Regal Gran Sport 1991: 40 (pont) (pontiac & buick sedan) A/t Antenna Battery Component center (right side of i/p) Ctsy fuse 15a Data encoder Data encoder connector (right side of luggage compt) Fuse block (right side of i/p) G300 (under left front seat) Ground Hot at all times Keyless entry module (olds: right front of luggage compt; 2 door pont: left side of rear shelf; 4 door pont & buick: right side of rear shelf) Left front door lock motor Left master switch assembly or left door lock switch Left rear door lock motor (4 door) Lock Lock all doors Lock relay Lug compt rlse M/t Park input Power acc circuit breaker 30a Power distribution system Power door lock relay (right shroud, above center access hole) Right front door lock motor Right rear door lock motor (4 door) Right switch assembly or right door lock switch Rs electrical center (right side of engine compartment) Tan Transaxle position switch (left of transaxle) Transmitter input Trunk lid release solenoid Trunk lid release switch Trunk rel fuse 15a Unlck drvr door Unlk pass door Unlock Unlock relay Door Lock Wiring Diagram, without Keyless Entry for Buick Regal Gran Sport 1991 List of elements for Door Lock Wiring Diagram, without Keyless Entry for Buick Regal Gran Sport 1991: 27 (buick & pontiac) (closed when door is unlock) Component center (right side of i/p) Ctsy fuse 14 15a Fuse block (right side of i/p) G200 (under left front seat) G300 (under left front seat) Hot at all times Hot in run Left door lock motor Left master switch assembly or left door lock switch Left rear door lock motor (4 door) Lock Lock minder switch (olds only) Lock relay Pnk Power distribution system Power door lock relay (right shroud, above center access hole) Pwr acc circuit breaker 30a Pwr window circuit breaker (olds only) 30a Right door lock motor Right rear door lock motor (4 door) Right switch assembly or right door lock switch Tan Unlock Unlock relay Unlocked ind (olds only)
POWER MIRRORS Power Mirror Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Power Mirror Wiring Diagram for Buick Regal Gran Sport 1991: 15 Ctsy fuse 15a Drive unit Fuse block G300 (below left front seat) Hot at all times J/c c200 (behind right side of i/p) Left outside mirror Left- right m Mirror position switch Mirror select switch Motor Nca Outside mirror control switch Right outside mirror Up- down m
POWER SEATS 6-Way Power Seat Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for 6-Way Power Seat Wiring Diagram for Buick Regal Gran Sport 1991: 30 (1990-92) (1993) (below left (below right 1993 buick w/ right power seat A h B g Back Breaker 30a Component center D tan Down Entire seat Front height Front height motor Front seat) Fwd Fwd/ back motor G300 G301 H b 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 Tan a
POWER WINDOWS Power Window Wiring Diagram, Coupe for Buick Regal Gran Sport 1991 List of elements for Power Window Wiring Diagram, Coupe for Buick Regal Gran Sport 1991: 18 (under left front seat) g300 Component center Down Express down Express down module G or h Hot in run Illumination Interior lights system Left front Left front window motor Left master switch Pnk Pwr window circuit breaker 30a Right front Right front window motor Right front window switch Tan Power Window Wiring Diagram, Sedan for Buick Regal Gran Sport 1991 List of elements for Power Window Wiring Diagram, Sedan for Buick Regal Gran Sport 1991: 27 (under left front seat) g300 A or b C or e Component center Down Express down Express down module Hot in run Illumination lamp Interior lights system Left front seat) g300 Left front window Left front window motor Left master switch Left rear window Left rear window motor Left rear window switch Lock out switch Pnk Pwr window circuit breaker 30a 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, UM6, UX1 or U1C for Buick Regal Gran Sport 1991 List of elements for Radio Wiring Diagrams, UM6, UX1 or U1C for Buick Regal Gran Sport 1991: 80 Acc b+ in Accb + Antenna Antenna input Assembly line diagnostic link (aldl) connector (right of steering column) Bat Bat power Bat pwr Bat pwr output Batt power input Battery pwr in Cancel cam assembly (inside top of steering column) Coaxial cable Compact disc player cassette/equalizer cassette player Data Data bus Data gnd out Data grd input Data in Data line Data out Elec fuse 2 15a Front speaker connectors (not used) Front speakers u66 speaker system Front speakers uw6 speaker system Fuse block (right side of i/p, in i/p compartment) G110 (left front of engine) G201 (behind i/p, near right side shroud) Ground Ground ground Ground in Hot at all times Hot in accy or run Ignition input Illum Illumination Interior lights system Left front speaker Left lower door speaker Left rear speaker Left upper door speaker Lft aud input+ Lft audio+ Light on signal Lights on feed Lights on input Lights on sig Lt front spkr Lt rear spkr Nca On output Panel light Pnk Power antenna Rad mute sig Rad power input Rad power out Radio Radio control head Radio control interface module Radio fuse 1 10a Receivers Rgt aud input+ Rgt audio+ Right front speaker Right lower door speaker Right rear speaker Right upper door speaker Rt front spkr Rt rear spkr Spring loaded Steering wheel control head switch and electronics module Tan Tape on sig Transmitters Turn signal switch Vcc +5 Vf dim input Vf pwm ill Vf pwm ill input Radio Wiring Diagrams, UM7 for Buick Regal Gran Sport 1991 List of elements for Radio Wiring Diagrams, UM7 for Buick Regal Gran Sport 1991: 49 Antenna Assembly line diagnostic link (aldl) connector (right of steering column) Batt power input Battery input Battery power Data Data ground input Data ground output Data line Elec fuse 2 15a Front speaker connectors (not used) Front speakers u66 speaker system Front speakers uw6 speaker system Fuse block (right side of i/p) G110 (left front of engine) G201 (behind i/p, near right side shroud) Ground Hot at all times Hot in accy or run Illum input Interior lights system Left front speaker Left lower door speaker Left rear speaker Left upper door speaker Lft frt channel output Lft rear channel output Lights on feed Lights on input Nca On/off Panel light Pnk Power antenna Power antenna input Radio Radio control head Radio fuse 1 10a Radio power input Radio power output Rgt frt channel output Rgt rear channel output Right front speaker Right lower door speaker Right rear speaker Right upper door speaker Steering wheel radio control system (translator module) Tan Vf pwm illum input
STARTING/CHARGING Charging Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Charging Wiring Diagram for Buick Regal Gran Sport 1991: 28 (all others) (electronic cluster) (electronic cluster) (all others) 1990 3.1l & 1991 3.1l early production 3.1l 3.8l Alt fuse 10a (1990) Battery C1 c1 Charge ind (all others) Check gages ind (gages cluster) D1 d4 c1 D1o Fuse block (right side of dash) Fusible link (1991) (rust 12 ga) Fusible link (rust) G108 (left radiator support) G110 (left front of engine) Generator Hot in run Hot in run, bulb test or start Ign fuse 10a Ign fuse 10a (1991) Indic fuse 10a Instrument cluster Left side electrical center (left side of engine compt) Red Right side electrical center (right side of engine compt) Starter assembly Starting Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Starting Wiring Diagram for Buick Regal Gran Sport 1991: 16 3.1l Acc Battery Bulb test G108 (left radiator support) G110 (left front of engine, below exhaust manifold) Hot at all times Ignition switch Lock Off Power distribution system Run Start Starter motor Starter solenoid Transaxle position switch (lower left side of engine compartment, on transaxle)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Trunk Release Wiring Diagram for Buick Regal Gran Sport 1991: 12 1995 vftc c Door locks system (keyless entry) Hot at all times (grand prix, lumina, regal) Hot in run (cutlass supreme) Luggage compartment release lockout switch (cutlass supreme convertible) Release solenoid Release switch Rs electrical center (in engine compartment, front of right strut tower) Transaxle position switch Trunk rel fuse 15a W/ automatic transaxle W/ manual transaxle
WIPER/WASHER 2-Speed Wiper/Washer Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for 2-Speed Wiper/Washer Wiring Diagram for Buick Regal Gran Sport 1991: 20 (1990-92) (1993) (left front of engine) g110 (left strut tower) g102 E10 E11 Fuse block Hot in accy or run Mechanical arm Mist Off Park switch Pnk Red Washer motor Washer switch Wiper fuse 25a Wiper motor assembly Wiper switch Wiper switch assembly Interval Wiper/Washer Wiring Diagram for Buick Regal Gran Sport 1991 List of elements for Interval Wiper/Washer Wiring Diagram for Buick Regal Gran Sport 1991: 23 (1990-92) (1993) g102 (left strut tower) E10 E11 Fuse block G110 (left front of engine) Hot in accy or run Mechanical arm Mist Off Park switch Pnk Pulse Pulse delay Red Timer Washer motor Washer switch Wiper fuse 25a Wiper motor assembly Wiper switch Wiper/ switch assembly
