Electrical & Lighting

Ford part number C9WY-10K843-D Finally! A made in the USA reproduction printed circuit board for your late built 1969 XR7 or Eliminator (built after 2/17/69) and all 1970 XR7 and 1970 Eliminator. This is a spot-on, class "A", no excuses reproduction that will give you decades of reliable service. This part exceeds the quality of the originals in that it is made from thicker materials, is bonded better, is more flexible and does not contain formaldehyde as did the originals. This is only for...

This plastic plate / bracket is installed between dimmer switch and the floor of your 67 - 73 Cougar to provide a bit or protection for the wiring.

Good used double sheave alternator pulley.Ford Part #: C5AF-10A352-J.

Used cast dual sheave alternator pulley. Casting number C9AF-10A352-C, we believe that these originally had a zinc dichromate finish. Called out for use on various 1969-70 Mercury Cougar and Ford Mustang with a need for a dual sheave alternator pulley.*Note - this is a cast pulley instead of the common stamped steel single sheave version.Ford part # C5AZ-10344-L.

Reproduction alternator pulley, single sheave. Fits 1967-73 Mercury Cougar and 1965-73 Ford Mustang and most all other 1965-73 Ford vehicles.

Reproduction alternator pulley, two sheave. Fits 1967-73 Mercury Cougar and 1965-73 Ford Mustang and most all other 1965-73 Ford vehicles.

Used stamped steel single groove alternator pulley, typically these are described as being 2-7/8 inches in diameter. We find various casting numbers on them, such as: C5AF-10A352-F1, C5AF-10A352-G1, C5AF-10A352-K, C5AF-10A352-L.Replaces Ford part number C5AZ-10344-K.

Used driver side (left hand) quarter window regulator for the Mercury Cougar or Ford mustang equipped with power windows. Ford part number D1ZZ-6530381-A *NOTE* If your also having some issues with your rear pancake window motor, check out our video below. It will take you through the pancake motor refurbishing process. If we can do it, there is no reason why you can't too! ...

Reproduction black extruded plastic shield, or rain gutter for the voltage regulator on any 1969-70 Mercury Cougar or Ford Mustang. Replaces Ford part number C9ZZ-10A506-A.

Used black extruded plastic shield, or rain gutter for the voltage regulator on any 1969-70 Mercury Cougar or Ford Mustang. Ford part number C9ZZ-10A506-A.

Rear defog conversion kit for 1970 Mercury Cougar XR7's. Includes switch and DEFOG panel, switch wiring, power lead, long harness to blower motor, and blower motor and grille cover which installs in the rear package tray. Please see your electrical schematic for connection details. This set up can easily be installed into a 1969 XR7 as well. You may need to purchase an accessory lead and buss bar if your car was not equipped. Everything has been tested to be in working condition.

Rear defog conversion kit for any 1968 Mercury Cougar or Ford Mustang Coupe. Includes switch with bracket that goes under the edge of the dash, wiring harness to the accessory plug (for sure on all 1968 Standard and XR7's), long harness to blower motor, and blower motor and grille cover which installs in the rear package tray. Please see your electrical schematic for connection details. Everything has been tested to be in working condition. *NOTE - Early 1967 Cougars do not have the proper...

Rear defog conversion kit for most 1969-70 Mercury Cougar and all 1969-70 Ford Mustang Coupes. Includes hang down switch with wiring, long harness to blower motor, and blower motor and grille cover which installs in the rear package tray. Please see your electrical schematic for connection details. Excludes 1970 XR7 models, those cars had the defog switch integrated into the XR7 switch panel. This set up can easily be installed into a 1969 XR7 as well. You may need to purchase an accessory...

Please remove your regulator prior to shipping. Be careful of the mechanical energy stored with the spring under tension.  This is a rebuild service for the rear pancake motor for the Mercury Cougar or Ford Mustang. We completely disassemble these units, then clean and inspect them. Then we will repair or replace minor pieces inside. Please note that if your core is not rebuildable, there will be an extra charge for installing working parts. After the motor is repaired, we...

Relay for 1969 Mercury Cougar or Ford Mustang with factory speed control. This is the anti retard relay, identified with the plug with two male connectors. Mounts to the Regulator mounting bracket along with the Brake Release Relay.Ford part numbers C9ZA-9C733-B and C9ZZ-9C733-A.

Relay for 1967 Mercury or Ford with speed control. This is the brake release relay. This Relay mounts to the Regulator Bracket.Tested and working relay, this is from a vintage Ford, not sure of the exact application.  Ford part number C7AA-9D737-A.

Relay for 1967 Mercury Cougar or Ford Mustang with Perfect Circle factory speed control. This is the brake release relay. This Relay mounts to the Regulator Bracket. Ford part number C7WA-9D737-A.

Relay for 1968-69 Mercury Cougar or Ford Mustang with factory speed control. This is the brake release relay. Mounts to the Regulator mounting bracket. Ford part numbers C8ZA-9D737-A and C8ZZ-9D737-A.

The function of this relay is to make only the center lights on each side illuminate when you activate the emergency warning flashers. Failure of this relay causes only the center sequential light to flash when using the turn signals. Trouble shooting these systems is takes time. A single bad ground at any portion of the turn signal circuit can cause no end to problems. This unit is built into the 1967-68 Solid State Sequential Upgrade kit we sell so it is not needed if you are buying the all...

This is known as the "K6" relay in the Ford service manual. The function of this relay is to open the circuit between the two instrument panel turn indicator lamps during normal turn signal operation. During emergency flasher operation, the relay points are closed (normal position) and the two instrument panel indicator lamps flash at the same time. Ford Part # C7WY-10B926-B.*NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on...

This is known as the "K6" relay in the Ford service manual, part number C7WB-10C838-C or C7WY-10B926-B. The function of this relay is to open the circuit between the two instrument panel turn indicator lamps on 1967-68 Mercury Cougar during normal turn signal operation. During emergency flasher operation, the relay points are closed (normal position) and the two instrument panel indicator lamps flash at the same time. These relays are tested and working units. UNDER DASH RELAY *NOTE* This...

Referred to as the "K10" relay in the Ford Service manual. The emergency relay, when energized, maintains through circuits from the motor and cam assembly to the rear lamps. During emergency flasher operation, this relay opens the circuits (normal position) to the inner and outer rear signal lamps. Thus, only the center rear lamps operate when the emergency flasher system is functioning. This unit was originally mounted to the underside of the black cardboard trunk filler board on the driver...

Used relay for any 1971-72 Mercury Cougar or Ford Mustang with factory heated back glass or rear defog. Tested and working, with correct plug for connection to electrical harness. Ford part number D1OB-18C641.

Used relay for any 1973 Mercury Cougar or Ford Mustang with factory heated back glass or rear defog. Tested and working, with correct plug for connection to electrical harness.Ford part number D3AB-18C641.

Tested and working relay for the 'headlights - on' reminder. Relay with mounting tab for 1970 Standard model Mercury Cougars (XR7 models use a different relay/bracket) and 1970 Ford Mustang with convenience option. Additionally fits 1970 full size and mid sized Ford and Mercury cars with headlights on reminder option. This relay controls a buzzer as a reminder to turn off the headlights or remove the key, when the door is opened.Replaces Ford part number D0AB-10C838-A or D0AZ-10C838-A. ...

Tested and working relay for the 'headlights - on' reminder. Relay with mounting tab for 1971-73 Mercury Cougar and Ford Mustang. This relay controls a buzzer as a reminder to turn off the headlights or remove the key, when the door is opened.Replaces Ford part number D1AB-10C838-A or D1AZ-10C838-A.

Tested and working relay for the 'headlights - on' reminder. Relay with mounting tab for 1970 XR7 model Mercury Cougar (Standard models use a different relay/bracket). This relay controls a buzzer as a reminder to turn off the headlights, or remove the key, when the door is opened.Replaces Ford part number D0WB-10C838-A or D0WY-10C838-A.

Low fuel option electrical relay. Stamped C6AF-10A968-A, Ford engineering number C5AZ-10A968-C. This relay was used on 1965-70 Ford and Mercury full sized cars, 1968-70 Torino/Cyclone/Montego/Fairlane, along with 1967-70 Mercury Cougar and Ford Mustang with that low fuel option. *Note - Generally this will not solve your low fuel indicator problems. The low fuel indicator failure is almost always due to a failed thermistor. The thermistor is located on the fuel sending unit in the fuel tank. ...

Low fuel relay for all 1971-73 Mercury Cougar XR7 models, body code 65F and 76F only. Stamped D1WF-10A968-AA. These are tested and working relays.Fits 1971 Cougar XR7 Fits 1972 Cougar XR7Fits 1973 Cougar XR7

This used power window relay mounts to the front inner apron on the passenger side just behind the starter solenoid.This relay also used for 1969-73 power convertible tops, and 1971-73 power seat.Replaces Ford part #: C8AB-14677-A.

This reproduction power window relay mounts to the front inner apron on the passenger side just behind the starter solenoid. This relay can also be used for 1969-73 power convertible tops, and 1971-73 power seat.Replaces Ford part #: C8AB-14677-A.Will replace D1AZ-14677-A, AND C1AF-14677-A but will not be an exact fit

This used power window relay mounts to the front inner apron on the passenger side just behind the starter solenoid.This relay also used for 1969-73 power convertible tops, and 1971-73 power seat.Replaces Ford part #: C8AB-14677-A.

Used seat back release relay for the 71 - 73 Cougar or Mustang. Located on the relay panel behind the glove box. Ford part number D1ZB-14C690-AA

Used seat belt warning light relay for most Ford Lincoln and Mercury cars starting in 1967 until sometime in 1972 when a Motorcraft version of this exact relay was produced. This is a timed relay that allows several seconds of illumination to your seat belt warning light. Ford Part number C7AB-10B924-B1 or Ford Service part number D1AZ-10B924-A

Seatbelt warning light relay for most Ford Lincoln and Mercury cars. This one has a D2AB-10B924-AA part number, but should be the same as the C7AB-10B924-A relay, they are identical except for the part number and the inclusion of "Motorcraft". This is a timed relay that allows several seconds of illumination to your seat belt warning light.These are tested and guaranteed to work.

Used sequential unit (found in trunk) relay for all 1970-73 Mercury Cougar, 4 total per car. Additionally this relay was used as a horn relay for 1965 Ford Mustang with generators; 1966 Lincoln Continental relay for moveable steering columns; 1969 and later Ford and Mercury full sized with speed control relay and power back window relay (on station wagons). Ford Engineering # C4AZ-13853-A. *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most...

This is a "better quality" non-concours starter solenoid. It's just one step above our "generic" solenoid also listed on our site. An inexpensive replacement if you are not worried about being 100% correct. More often than not, these lower quality solenoids fail within a year or two so we always recommend buying original FoMoCo. Replaces Ford part # B6AZ-11450-A, C7AZ-11450-A & D2AF-11450-A.Cougar Applications:1967 Mercury Cougar1968 Mercury Cougar1969 Mercury Cougar1970 Mercury...

This is a good quality non-concours starter solenoid. Inexpensive replacement if you are not worried about being 100% correct. Disappointing quality, often will fail in less than a year, we recommend buying original FoMoCo. Replaces Ford part # B6AZ-11450-A, C7AZ-11450-A & D2AF-11450-A.

This is a replacement relay for the discontinued original FoMoCo relays.  It does not appear in the same form factor, but will work just fine. The original is a metal cased unit, the replacement is plastic.  Original relays are marked either C7ZA-3E553-A (1967) or  C8ZA-3E553-A (1968 & 1969) on the mounting tab. Click Here to Download Instructions (340Kb pdf). Replaces Ford Part # C7ZZ-10B926-A or C8ZZ-10B926-A *NOTE* For tilt column service, you can contact Tony Augustine at...

This is referred to as the "K5" relay in the Ford service manual. This relay causes the flashing action of the 1968 Mercury Cougar instrument panel indicator lights. The number stamped on this relay is C8WB-13A366-A or C8WB-13A366-C, the Ford part number is C8WY-13A366-A or C8WY-13A366-C. Stay tuned for an upcoming electronic version of the 1968 K7 relay.*Caution - Do not use the 1967 relay in place of the 1968 relay, smoke and fireworks will be the result.

This is referred to as the "K5" relay in the 1968 Ford service manual. (In 1967 it was called the K7). This relay causes the flashing action of the 1968 Mercury Cougar instrument panel indicator lights and almost never works... The number stamped on this relay is C8WB-13A366-A or C8WB-13A366-C, the Ford part number is C8WY-13A366-A or C8WY-13A366-C. We suggest replacing this unit with our new and improved solid state unit.*Caution - Do not use the 1967 relay in place of the 1968 relay, smoke...

This is referred to as the "K7" relay in the Ford service manual. This relay causes the flashing action of the 1967 Mercury Cougar instrument panel indicator lights. The number stamped on this relay is C7WB-13A366-A, the Ford part number is C7WY-13A366-C. We have these relays tested and ready to ship. A quick bench testing: There needs to be continuity between the 'H' post and both 'B' and 'S' (separately). We test them with 12v to the 'H' post and the base grounded. 12volts should be read on...

At last, there's a solution to a problem that almost all early Cougars suffer from. If the turn signal indicators in your dash only blink once, and then pulsate slowly without going out, you need this new electronic relay. It's a direct plug-and-play replacement, and it will give your indicators a nice on-off flash, complete with a mechanical click sound, all in time with your turn signals. We're excited about this simple fix; it's great to see and hear the indicators working properly. The...

At last, there's a solution to a problem that almost all early Cougars suffer from. If the turn signal indicators in your dash only blink once, and then pulsate slowly without going out, you need this new electronic relay. It's a direct plug-and-play replacement, and it will give your indicators a nice on-off flash, complete with a mechanical click sound, all in time with your turn signals. We're excited about this simple fix, it's great to see and hear the indicators working properly. The...

This unit is known as the "K5" relay in the service manual and is stamped with C7WB-13A366-B. The turn signal indicator relay switches the indicator light circuit so that the left indicator lamp on the instrument panel flashes for left turns and the right lamp flashes for right turns. Application is 1967 Mercury Cougar. No guarantee that replacing it with our used unit will actually make your dash lights consistently blink more than two or three times before going into a "pulsate mode" (if...

1968 Mercury Cougar K-8 and K-9 turn signal relay assembly. K-8 for the passenger side, K-9 for the driver side turn signals. Also is integral to the brake light circuit. Clean used unit that is tested and will be functional. This unit will not be rusty, have internal water damage, May have minor repairs, no cut wires. Trouble shooting these systems is takes time. A single bad ground at any portion of the turn signal circuit can cause no end to problems. When these relays are not energized,...

1967 Mercury Cougar K-8 and K-9 turn signal relay assembly. K-8 for the passenger side, K-9 for the driver side turn signals. Also is integral to the brake light circuit. Clean used unit that is tested and will be functional. This unit will not be rusty, will not have internal water damage, may have minor repairs and no cut wires. Trouble shooting these systems is takes time. A single bad ground at any portion of the turn signal circuit can cause no end to problems. Great for the...

1968 Mercury Cougar K-8 and K-9 turn signal relay assembly. K-8 for the passenger side, K-9 for the driver side turn signals. Also is integral to the brake light circuit. Clean used unit that is tested and will be functional. This unit will not be rusty, have internal water damage, May have minor repairs, no cut wires. Trouble shooting these systems is takes time. A single bad ground at any portion of the turn signal circuit can cause no end to problems. When these relays are not energized,...