Sequential Flashers / Relays

Direct plug in solid state replacement, no modifications needed. We highly suggest considering not purchasing this unit and invest in the all inclusive unit. All of the original sequential components in the trunk of your Cougar are mechanical and will in time fail. It is much more cost efficient to buy the all inclusive unit than to purchase them one by one as they fail. *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on the...

No modifications needed, just open the trunk and plug the unit into your original wiring! We highly suggest considering not purchasing this unit and invest in the all inclusive unit. All of the original sequential components in the trunk of your Cougar are mechanical and will in time fail. It is much more cost efficient to buy the all inclusive unit than to purchase them one by one as they fail. This reproduction is an exact replacement for this original unit. This updated relay will...

Tested and working sequential turn signal motor for the mid 1967 and all 1968 Mercury Cougars. This is the dual plug motor compared to the single plug 1967 turn signal relay. New in box (Motorcraft box) unit that is tested and will be functional. Trouble shooting these systems takes time. A single bad ground at any portion of the turn signal circuit can cause no end to problems.We suggest you consider our all inclusive solid state unit that replaces all the units in the trunk if you have...

Tested, cleaned and working sequential turn signal motor for the mid 1967 and all 1968 Mercury Cougars. This is the dual plug motor compared to the single plug 1967 turn signal relay. Clean used unit that is tested and will be functional. This unit will not be rusty or have internal water damage, may have minor repairs, no cut wires. Trouble shooting these systems takes time. A single bad ground at any portion of the turn signal circuit can cause no end to problems. We suggest you consider our...

1967-68 and 1971-73 Cougar/Mustang used bulb 1076 for Backup Lights, see part # 12175 As seen on Gearz with Stacey David. If you're looking for the best and brightest lighting for your car, look no further.  These WHITE "Plasma" LEDs are a direct replacement for 1156 and will fit anything you might have that takes an 1156 bulb (or other bulbs with the same base configuration, such as 97 and 1003 bulbs).  Basically good for every car from 1950 to 1990 that uses a 1156...

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 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...

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. A quick bench testing: There needs to be continuity between the 'H' post NOS item, new old stock.       *CAUTION* The 1967 and 1968 K7 relay look similar, but are not the same. Damage to your wiring system will occur...

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...

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...

NOS new old stock . 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. This unit (and subsequent system) is an inherently weak design. Make sure your ground wires are clean and connected firmly and all your light sockets...

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,...

For most applications, we highly suggest you upgrade to our solid state version of this unit.  Ford part # C9WY-13350-A, Ford service replacement part # D0WY-13350-A. *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on the subject. Vic has owned Cougars since the 1970's and is the designer of all of our solid state sequential systems. There is no question he cannot answer! Here is a link to a great source of information on...

Replaces stop lamp relay on 1967 Cougars built before 1-3-67. No wiring modifications needed, just plug it in in place of your old mechanical relay in the trunk. *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on the subject. Vic has owned Cougars since the 1970's and is the designer of all of our solid state sequential systems. There is no question he cannot answer! Here is a link to a great source of information on the...

New Old Stock relay. Known as the "K-11" relay in the Ford Service manual. This relay was only used in production prior to 1-3-67. It provides a low current circuit through the relay solenoid and the stop lamp switch and a separate circuit through the relay points to handle the higher current load of the stop lamps. Again, this unit was only used in early 1967 Mercury Cougars. This early brake light relay is unique to Cougars built prior to 1-3-67. Unlike the later built Cougars, it...

Known as the "K-11" relay in the Ford Service manual. This relay was only used in production prior to 1-3-67. It provides a low current circuit through the relay solenoid and the stop lamp switch and a separate circuit through the relay points to handle the higher current load of the stop lamps. Again, this unit was only used in early 1967 Mercury Cougars. This early brake light relay is unique to Cougars built prior to 1-3-67. Unlike the later built Cougars, it mounts next to the sequential...

When your lights are sequencing too rapidly, causing the outer light to not fully illuminate, your original unit is most likely the culprit. This solid state unit replaces the small red (69-70) or green (71-73) flasher found under the dash, next to the radio. NOTE* Some vehicles have the wiring reversed, you can get though this problem by using spades and hooking up to the contacts of the flasher backwards.  This is the updated flasher unit for use with the updated sequential unit and...

When your lights are sequencing too rapidly, causing the outer light to not fully illuminate, your original unit is most likely the culprit. This solid state unit replaces the small red (69-70) or green (71-73) flasher found under the dash, next to the radio. Replaces Ford part # D0WY-13350-A. *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on the subject. Vic has owned Cougars since the 1970's and is the designer of all of our...

Tested, cleaned and working sequential turn signal motor for the VERY early 1967 Mercury Cougars. Some early units had 2 wires, some didn't. This is the single plug motor compared to the dual plug mid 1967 and 1968 turn signal motor. Clean used unit that is tested and will be functional. This unit will not be rusty or have internal water damage, may have minor repairs, no cut wires. Trouble shooting these systems takes time. A single bad ground at any portion of the turn signal circuit...

1967 - 1968 Mercury Cougar emergency light flasher relay. Good used, original, and 'tested' unit ready to plug in and use. Lead wire not included, shown in picture for help in identification purposes. Replaces Ford part number C7WB-10C838-B. The reason we gave this used item a crappy logo, is that they weren't designed to last over 50 years. The simple electronics they used back when they made these cars just weren't up to par with the quality of electronics designed today. We recommend...

New Old Stock turn signal flasher for all 1970 Mercury Cougars. For most applications, we highly suggest you upgrade to our solid state version of this unit.  Ford part #D0WB-13350-A,  D0WY-13350-A. *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on the subject. Vic has owned Cougars since the 1970's and is the designer of all of our solid state sequential systems. There is no question he cannot answer! Here is a...