Diagram sections — 11 (17 total)
DEFOGGERS HORN POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING TRUNK, TAILGATE, FUEL DOOR WIPER/WASHER
DEFOGGERS Defogger Wiring Diagram for Mercury Cougar LS 1990 List of elements for Defogger Wiring Diagram for Mercury Cougar LS 1990: 20 (behind i/p, right side of steering column) (top right front of trunk, top of right c pillar) C233 C243 Def fuse 40a Defrost relay G205 G401 Hot at all times Hot in run Interior lights system Off On indicator Power distribution box Primary junction block Rear window defrost grid Rear window defrost switch Run fuse 15a Secondary junction block (behind right side of i/p) Switch illumination
HORN Horn Wiring Diagram for Mercury Cougar LS 1990 List of elements for Horn Wiring Diagram for Mercury Cougar LS 1990: 13 Anti-theft module (left rear of trunk) Cruise control system Electronic engine control module (behind right cowl panel) High pitch horn (below left front fender) Horn relay Horn switch Horn/haz fuse 20a Hot at all times Low pitch horn (below left front fender) Power distribution box (left fender apron, near battery) Speed control switch assembly W/ anti- theft
POWER ANTENNA Power Antenna Wiring Diagram for Mercury Cougar LS 1990 List of elements for Power Antenna Wiring Diagram for Mercury Cougar LS 1990: 9 Antenna switch C227 Down G202 (behind i/p, right of steering column) Hot in acc or run Power antenna Primary junction block Radio fuse 15a Red/pnk
POWER DOOR LOCKS Door Lock Wiring Diagram for Mercury Cougar LS 1990 List of elements for Door Lock Wiring Diagram for Mercury Cougar LS 1990: 11 Anti- theft module (w/ anti- theft) Fuse block: i/p G200 (left kick panel) Hot at all times Left door lock actuator Left door lock switch Lock Right door lock actuator Right door lock switch Seat/locks circuit breaker 20a Unlock Keyless Entry Wiring Diagram for Mercury Cougar LS 1990 List of elements for Keyless Entry Wiring Diagram for Mercury Cougar LS 1990: 70 (behind left cowl panel) g200 1/2 3/4 5/6 7/8 9/0 A/t Antenna Anti-theft control module Arm Arm anti-theft Backup lamp switch Backup/ neutral safety switch C406 C418 Courtesy lamps Disarm Disarm anti-theft Dooor ajar in Door switches in Exterior lighting G200 (behind left cowl panel) Ground Hot at all times Hot in run Illum Instrument cluster Int lmps fuse 15a Interior lighting Keyless entry module Keypad 1/2 in Keypad 3/4 in Keypad 5/6 in Keypad 7/8 in Keypad 9/0 in Keypad lamp Keypad pwr Keypad switch assembly Left door ajar switch Left door handle switch Left door lock actuator Left door lock switch Lock Lock doors out Lock in M/t P/w circuit breaker 20a Passive restraints Power (b+) Power (run) Primary junction block Red Release trunk Reverse in Right door ajar switch Right door handle switch Right door lock actuator Right door lock switch Run fuse 15a Seat switch Seat switch in Seat/lock circuit breaker 20a Transmitter in Trunk lid release solenoid Trunk lid release switch Turn fuse 10a Unlock Unlock in Unlock l door Unlock r door
POWER MIRRORS Electronic Day/Night Mirror Wiring Diagram for Mercury Cougar LS 1990 List of elements for Electronic Day/Night Mirror Wiring Diagram for Mercury Cougar LS 1990: 17 (behind left side of i/p, near steering column) (disable) A/t Automatic day/night mirror (center of windshield header) Backup lamp switch (left side of transmission) Backup/ neutral safety switch (left rear of transmission) G204 Ground Ground bus (near base of "a" pillar) Hot in run Ignition Input M/t Primary junction block Reverse Run fuse 15a Turn signal fuse 10a Power Mirrors Wiring Diagram for Mercury Cougar LS 1990 List of elements for Power Mirrors Wiring Diagram for Mercury Cougar LS 1990: 14 Directional control switch G204 (behind left side of i/p, near steering column) Ground bus (near base of "a" pillar) Hot at all times Int lps 15a L/r motor Left and right mirror switch Left mirror Nca Power mirror switch Primary junction block (left side of i/p) Red Right mirror U/d motor
POWER SEATS Lumbar Wiring Diagram for Mercury Cougar LS 1990 List of elements for Lumbar Wiring Diagram for Mercury Cougar LS 1990: 15 (behind left, cowl panel near front door sill) (behind right, cowl panel near front door sill) 20a C220 Driver's power lumbar switch Driver's power lumbar/ bolster compressor motor G200 G203 Hot at all times Nca Passenger's power lumbar switch Passenger's power lumbar/ bolster compressor motor Primary junction block Red Seat/lock circuit breaker Power Seat Wiring Diagram for Mercury Cougar LS 1990 List of elements for Power Seat Wiring Diagram for Mercury Cougar LS 1990: 21 (behind left, cowl panel near front door sill) (behind right, cowl panel near front door sill) g203 20a C220 Driver's seat control switch Driver's seat motor assembly Entire seat Front height motor Front of seat Fwd Fwd/rwd motor G200 Hot at all times Nca Passenger's seat control switch Passenger's seat motor assembly Primary junction block Rear height motor Rear of seat Rwd Seat/lock circuit breaker
POWER WINDOWS Power Window Wiring Diagram for Mercury Cougar LS 1990 List of elements for Power Window Wiring Diagram for Mercury Cougar LS 1990: 17 10a C116 C300 Down up G204 (behind left side of i/p, near steering column) G300 (left side of floor pan, near base of "a" pillar) G300 ground bus Hot in accy or run Left door window motor Left power window switch Left window switch P/w circuit breaker 20a Primary junction block Right door window motor Right power window switch Right window switch Vehicles only
RADIO Radio Wiring Diagrams, Base Radio for Mercury Cougar LS 1990 List of elements for Radio Wiring Diagrams, Base Radio for Mercury Cougar LS 1990: 29 Battery (b+) C236 C238 C246 C247 G202 (left side of dash) G206 (center of dash) Ground Hot at all times Hot in accy or run Ignition Illum Interior lights system Left door speaker Left frt Left rear speaker Left rr Memory fuse 5a Not used Power distribution box Primary junction block Radio Radio fuse 15a Red Right door speaker Right frt Right rear speaker Right rr Secondary junction block (left side of dash) Radio Wiring Diagrams, JBL with CD Player for Mercury Cougar LS 1990 List of elements for Radio Wiring Diagrams, JBL with CD Player for Mercury Cougar LS 1990: 39 Battery (b+) C200 C202 C203 C222 C223 C246 C248 C413 C414 Cd player F-pan fuse 30a G202 (left side of dash) G206 (behind right center of dash) Ground Hot at all times Hot in accy or run Interior lights system Left front door speaker Left front spkr Left rear speaker Left rear spkr Memory fuse 5a Mute ctrl Nca Not used Power distribution box Primary junction block Radio Radio amplifier (right side of rear package shelf) Radio fuse 15a Red Right front door speaker Right front spkr Right rear speaker Right rear spkr Shield Subwoofer amplifier (right side of rear package shelf) Subwoofer speaker Radio Wiring Diagrams, Premium Radio for Mercury Cougar LS 1990 List of elements for Radio Wiring Diagrams, Premium Radio for Mercury Cougar LS 1990: 33 Batt (b+) Battery (b+) C222 C246 C413 C414 F-pan fuse 30a G202 (left side of dash) G206 (center of dash) Ground Hot at all times Hot in accy or run Ignition Illum Interior lights system Left front speaker Left frt Left rear speaker Left rr Logic mute Memory fuse 5a Muting Not used Power distribution box Primary junction block Radio amplifier (under right side of rear package shelf) Radio fuse 15a Red Right front speaker Right frt Right rear speaker Right rr Stereo radio
STARTING/CHARGING Charging Wiring Diagram for Mercury Cougar LS 1990 List of elements for Charging Wiring Diagram for Mercury Cougar LS 1990: 21 (1990 3.8l only) (except 1990 3.8l) 3.8l only Acc Alternator regulator (iar) Alternator warning indicator Battery Except electronic cluster G108 (upper left radiator support) G110 (left front of engine compt) Ig-sw fuse 80a Ignition switch Instrument cluster Integral i Lock Off Power distribution box Red Run Start W/ electronic cluster only Starting Wiring Diagram for Mercury Cougar LS 1990 List of elements for Starting Wiring Diagram for Mercury Cougar LS 1990: 26 A/t Acc Anti-theft module (rear of left wheelwell) Battery Battery ground Clutch switch (top of clutch pedal) Clutch switch jumper Engine controls system Exterior lamps system Ig-sw fuse 80a Ignition switch Lock M/t Nca Neutral safety switch (left side of transmission) Off Power distrib- ution box Red Run Start Starter interrupt relay (behind left side of i/p) Starter motor (lower right rear of engine) Starter relay (on left fender apron) Tfi ignition module (3.8l only) W/ anti-theft W/o anti-theft
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Mercury Cougar LS 1990 List of elements for Trunk & Fuel Door Release Wiring Diagram for Mercury Cougar LS 1990: 16 Fuel filler door release solenoid (right rear of trunk lid) Fuel filler door release switch G202 (left side of i/p) G300 (left side of floor pan) G301 (right side of floor pan) G407 (center rear of trunk) Hot at all times Hot in accy or run Keyless entry module (left rear of trunk) P/w circuit breaker 20a Primary junction block Seat/locks circuit breaker 20a Trunk release solenoid (rear of trunk lid) Trunk release switch
WIPER/WASHER Wiper/Washer Wiring Diagram for Mercury Cougar LS 1990 List of elements for Wiper/Washer Wiring Diagram for Mercury Cougar LS 1990: 30 (1989-90) (1991-93) C114 C118 C119 C121 C226 C227 Electronic switch G100 (left front of engine compt) G202 (left side of i/p) Ground bus Hot in accy or run Int Interval adjust Interval governor (left side of i/p) Interval override Interval timer Multi-function switch Off Park Primary junction block (behind left side of i/p) Red Red c218 Run Washer pump Washer switch Wiper circuit breaker 8.25a Wiper motor and park switch (left rear of eng compt) Wiper motor test connector (left rear of engine compt)