Electrical & Lighting

Used grade "A" under dash wiring harness with fuse panel / block for the Mercury Cougar XR7 and XR7 convertible. This very clean uncut harness is not corroded on the connections or brittle from heat is tested and ready to install.*NOTE* If you send us your old used under dash harness, you will receive an in store credit of up to $100. Also keep in mind that we buy original under dash harnesses. We are interested in all under dash harnesses, but are primarily interested in the XR7 harness.Ford...

Used grade "B" under dash wiring harness with fuse panel / block for the Mercury Cougar XR7 and XR7 convertible. This harness may have one or two professional repairs, it is tested and ready to install. We also offer this harness in grade "A" condition for those of you who simply must have the finest original parts money can buy.*NOTE* If you send us your old used under dash harness, you will receive an in store credit of up to $100. Also keep in mind that we buy original under dash harnesses....

Used standard grade "A" main under hood wiring harness located in the engine compartment. This harness has plugs for the headlights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar Standard models only (after 12/1/1971) with AMP warning light. Not...

Used standard grade "B" main under hood wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar Standard models only (before 12/1/1971) with AMP warning light. Not...

Used standard grade "B" main under hood wiring harness located in the engine compartment. This harness has plugs for the headlights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar Standard models only (after 12/1/1971) with AMP warning light. Not...

Used XR7 grade "B" main headlight wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar XR7 models (before 12/1/1971) only. Not compatible with Standard model Cougar...

These are original amp meters converted from reading amps to reading volts. Includes new matching XR7 overlay made from top quality 3M 467MP and use 200MP adhesive. The longer 200MP adhesive is in place the stronger it binds.  Click here for a article describing the advantages of a Volt Meter.

Electronic voltage regulator for use on any 1967-73 Mercury Cougar or Ford Mustang or Ford. Same foot print as originals, cover can be swapped.

We cannot provide new units anymore but we do stand behind this used unit for 30 days.Check out the video below on our new gauge tester: ...

New old stock NOS instrument panel voltage regulator or IVR for all 1969-73 Mercury Cougar and Ford Mustang. Additionally fits 1969-71 Torino/Cyclone without tachometer, 1969-70 Ford full size, and 1970 and newer Ford Maverick or Mercury Comet. Mounts to the rear of the instrument clusters, voltage regulator for dash gauges power. Ford part number C9AZ-10804-A. Note: 12v constant input with a pulsed 5v output. DO NOT power up the voltage regulator until it is properly grounded, otherwise it...

New reproduction instrument panel voltage regulator or IVR for all 1969-73 Mercury Cougar and Ford Mustang. Additionally fits 1969-71 Torino/Cyclone without tachometer, 1969-70 Ford full size, and 1970 and newer Ford Maverick or Mercury Comet. Mounts to the rear of the instrument clusters, voltage regulator for dash gauges power. Features Solid State electronic circuitry. Ford part number C9AZ-10804-A. Note: 12v constant input with a pulsed 5v output. DO NOT power up the voltage regulator...

Features the proper cover and original logos. I A S F stamped on cover. Replaces Ford Part #: D2TF-10316-A. The voltage regulators listed in this section are poor quality. We suggest you buy a reliable, modern, solid state unit and just use the cover we sell as a stand alone product. We will not warranty the mechanical voltage regulators you see here, the quality is poor.

Features the proper cover and original logos. I A S F stamped on cover.Replaces Ford Part #: D2AF-10316-A. These new voltage regulators are improved and more reliable than the units we've sold previously.

Starting in 1972 the 'Fasten Seat Belt' warning light was relocated to the center of the dash for visibility of all occupants of the vehicle. This is a tested, and working seatbelt warning light fits into the steel holder on the instrument clusters of all 1972-73 Mercury Cougar and Ford Mustangs.Ford part number D2ZB-10C859-AA. This icon means that we're looking to buy this part!WCCC is a buyer of used and NOS hard to find 67-73 Mercury Cougar parts. Usually we give an in store credit of 50%...

Hard to find driver side regulator, Ford part # D1ZZ-6523209-B.

Good used original regulator. Ford Part #: D1ZZ-6523208-B

This is the engine gauge loom that runs from the coil, temp. sender and oil sender to the pigtail on the firewall. Designed for the 1971 Mercury Cougar and Ford Mustang. Will fit the 1972 Cougar and Mustang, but technically those cars had a bundled harness that included A/C, and possibly carburetor solenoid wiring. To be clear, this harness is only as shown, basic ignition and gauge feed. Replaces Ford Part # : D1OZ-14289-CCheck out the video below on our new gauge tester: ...

Used wire harness with diffusers for the instrument cluster lighting (dash lights) on the Standard or XR7 71 - 73 Mercury Cougar.  NOTE* When using LED ground sensitive bulbs, you must reverse the black and blue w/red stripe wires. Ford part number D1WB-10B898-AA

Used lead wire harness that runs from the white plug at the cowl to the throttle positioning sensor on the 71 - 73 Cougar or Mustang.Harness is red with yellow hash marks.

Small retaining ring that secures the engine gauge feed wiring harness to the driver side valve cover. Two were used per engine. We found this part in the 1971-72 Mustang Electrical Assembly Manual. To be used with original wiring harnesses, the reproduction engine gauge feed harness does not have the clips to attach to this retainer.Ford part number D2AB-14A163-MA.

Wiring harness segment from firewall to the convertible power top switch on any 1971-73 Mercury Cougar or Ford Mustang.  Part number D1WB-15A690-AA.

Preproduction wiring harness, connects the convertible top switch to the pump on both the xr7 and standard model Cougars and Mustang 1969 - 1973 convertibles.

This harness connects the convertible top switch to the pump on both the xr7 and standard 1969 - 1973 convertibles.

Wiring harness segment to the convertible power top pump on any 1971-73 Mercury Cougar or Ford Mustang. Part number D1ZB-15A668-AB.

Used wiring harness that goes into the shifter bucket for any 1971-73 Mercury Cougar or Ford Mustang with C6 transmission. This is for the PRNDL light on your shift lever. Automatic C-6 transmission only code U on your door tag. FMX transmissions had the neutral safety switch installed in the shift bucket. Rare part, only found on Q code engines and select H code engines. D1ZZ-15A808-A, D1ZB-15A808-AB, D2ZB-15A808-AA This icon means that we're looking to buy this part!WCCC is a buyer of used...

Wiring harness under hood segment from circuit breaker through the firewall to the convertible power top switch on any 1971-73 Mercury Cougar or Ford Mustang.  Part number D1ZB-15A669-A.

Used heater control light wiring harness for the 72 - 73 Cougar with A/C.

Used rear defog wiring harness for any Standard Model 1971-72 Mercury Cougar. Non-XR7 models only, this harness is the main under dash harness that plugs into the back light glass or defog switch. This listing does not include the jumper wiring harness to the heated back glass, or the relay.Ford part number D1WB-18C617-BB.

Used rear defog wiring harness for any XR7 Model 1971-72 Mercury Cougar. XR7 models only, this harness is the main under dash harness that plugs into the back light glass or defog switch. This listing does not include the jumper wiring harness to the heated back glass, or the relay.*Note - will not fit a 1971-72 Standard Model Cougar, the switches are different.Ford part number D1WB-18C617-AB.

Used jumper wire for connecting the heated back lite glass to the defog harness on any 1971-72 Mercury Cougar or Ford Mustang equipped with factory rear defogger. AKA defrost. 1973 has a different wire connector.Ford part number found on wiring diagram 18C394.

Factory used and tested under dash wiring harness for all 1972-73 Mercury Cougar and Ford Mustang cars with factory AM/FM or AM 8 Track stereo radios. This harness plugs into the speaker plug of the radio, and connects the door panel wiring harness with door speaker option in a 1972-73 Mercury Cougar or to the A pillar post where it connects to the door wiring harness that has the speaker plug for the door mounted speakers in 1972-73 cars. White speaker wire goes to the passenger side speaker,...

Used driver side turn signal / parking lamp wiring harness with socket for the 1971 - 1973 Mercury Cougar.Ford part number D2WB-13234-AA

Used passenger side turn signal / parking lamp wiring harness with socket for the 1971 - 1973 Mercury Cougar.Ford part number D2WB-13235-AA

Consolette wiring harness, bridges the main under dash wiring harness and the ashtray light pigtail. Not for full length consoles. Ford part # D1WB-15A056-AB.

Original used speaker lead wiring harness pigtail for all 71 - 73 Cougars and Mustangs with factory AM radios. This wire pigtail is located in the dash. Proper length for re-soldering to factory dash speaker.

Used back up light socket and wiring pigtail for the 71 - 73 Cougar.

Original used AM radio dash speaker wiring plug and pigtail. We like to use these original plug and wiring bits to keep from cutting an otherwise perfect radio harness. Use it on your modern replacement dash speaker and plug into your factory AM radio. Wire colors and striping are unique to the 1972 model year.

New wiring pigtail with male bullet connector, and male / female paired connector. Also has rubber grommet that fits a 5/8" inch hole. Looks like 18 gauge wiring. These are remnants from the reproduction Mustang front turn signal lights that we convert to Cougar wiring. Brand new, approximately 13-15 inches in total length. Colors as shown.

This pigtail is for 72-73 Mercury Cougar and Ford Mustang with stereo speakers. Original driver side used under dash speaker wiring harness pigtail for all 1972-73 Mercury Cougar and Ford Mustang cars with factory AM/FM or AM 8 Track stereo radios. This speaker wiring harness pigtail plug end goes to the your driver side speaker, which is denoted by the orange wire.

This pigtail is for 72-73 Mercury Cougar and Ford Mustang with stereo speakers. Original passenger side used under dash speaker wiring harness pigtail for all 1972-73 Mercury Cougar and Ford Mustang cars with factory AM/FM or AM 8 Track stereo radios. This speaker wiring harness pigtail plug end goes to the your passenger side speaker, which is denoted by the white wire.

Used wiring pigtail that runs from the 14401 under dash wiring harness from the tach to the fuse block and connector (green block behind fuse box) to the under hood harness on the 71 - 73 XR7 Cougar. 

Used wiring pigtail that runs from the taillight harness to the C pillar light on the 71 - 72 Cougar STD or XR7.

Used wiring pigtail that runs from the taillight harness to the fuel sending unit harness on the 71 - 72 Cougar XR7.

Used wiring pigtail that runs from the taillight harness to the ground at the fuel filler bracket on the 71 - 73 Cougar Standard or XR7 models.

Used wiring pigtail that runs from the taillight harness to the sequential box on the 72 - 73 Cougar STD or XR7 

Used wiring pigtail that runs from the taillight harness to the sequential unit on the 71 - 73 Cougar STD / XR7

Used wiring pigtail that runs from the taillight harness to the side marker light on either the driver or passenger side of the 72 - 73 Cougar Standard or XR7 model.

Used wiring pigtail plug that runs from the taillight harness to the Driver side taillight housing and the 71 - 73 Mercury Cougar Standard or XR7