What is the purpose of relays in a Mercury Cougar's electrical system and how can a faulty relay be identified and fixed?

When transmitting the electrical signal to the component, several electrical accessories in the vehicle are using relays. The defective relay leads to a malfunctioning component. These different relays are grouped at various places. In case of suspicion of a faulty relay, it can be removed and checked by a dealer service department or repair shop. Malfunctional relays must be changed as an assembly.

Genuine Mercury Cougar Relay

Wire Relay

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40 Relays found

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Mercury Cougar Relay
Part Number: FOAZ-14N089-A
$15.10 MSRP: $25.00
You Save: $9.90 (40%)
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Product Specifications
- Replaced by: 5M5Z-14N089-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- 1994-1997 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
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Mercury Cougar Relay
Part Number: F3LY-2C013-A
$165.30 MSRP: $241.67
You Save: $76.37 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: F3LZ-2C013-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD
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Mercury Cougar Starter Motor Relay Assy
Part Number: E9TZ-11450-B
$25.62 MSRP: $39.82
You Save: $14.20 (36%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay Assy - Starter Motor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1993 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C5, 4AT AOD, 5MT
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Mercury Cougar Relay
Part Number: FOAZ-14N089-B
$54.63 MSRP: $99.50
You Save: $44.87 (46%)
Ships in 1-2 Business Days
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Product Specifications
- Replaced by: AU5Z-14N089-FA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1995 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 4.6L, 8 Cyl 5.0L | 4AT, 4AT AOD, 4AT AODE
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Mercury Cougar Direction Indicator Relay
Part Number: FODZ-13350-A
$26.68 MSRP: $42.55
You Save: $15.87 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay - Direction Indicator
- Replaced by: F2UZ-13350-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
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Mercury Cougar Relay
Part Number: F4SZ-14N089-A
$9.57 MSRP: $13.63
You Save: $4.06 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Replaced by: 5M5Z-14N089-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT, 4AT AODE
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Mercury Cougar Relay
Part Number: F5RZ-14N089-CB
$11.32 MSRP: $16.67
You Save: $5.35 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: F5RZ-14N089-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cougar Relay
Part Number: F8PZ-14N135-CA
$11.53 MSRP: $15.75
You Save: $4.22 (27%)
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Product Specifications
- Other Name: Dimmer Relay
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1989 Mercury Cougar | 6 Cyl 3.8L | 4AT AOD, 5MT
- 1982 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L | 3AT C5, 4AT AOD
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Mercury Cougar Relay
Part Number: F6RZ-14N089-AA
$13.73 MSRP: $18.75
You Save: $5.02 (27%)
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Product Specifications
- Other Name: Horn Relay
- Position: Passenger Side And Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cougar Relay
Part Number: F8PZ-14N135-DA
$39.77 MSRP: $54.34
You Save: $14.57 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Dimmer Relay, Fuel Pump Relay
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1987 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C5, 4AT AOD, 5MT
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Mercury Cougar Relay
Part Number: F5RZ-19D572-A
$13.73 MSRP: $18.75
You Save: $5.02 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cougar PUMP ASY - FUEL
Part Number: F4SZ13A025A
$24.13 MSRP: $32.97
You Save: $8.84 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
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Mercury Cougar Relay
Part Number: F6RZ-8B658-EA
$19.38 MSRP: $28.33
You Save: $8.95 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Manufacturer Note: Cooling fan (low speed)
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cougar Direction Indicator Relay
Part Number: E8OY-13350-A
$45.60 MSRP: $72.73
You Save: $27.13 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay - Direction Indicator; Turn Signal Flasher
- Manufacturer Note: Turn Signal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1989-1993 Mercury Cougar | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD, 5MT
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Mercury Cougar Relay
Part Number: D2LY-14512-A
$45.85 MSRP: $63.70
You Save: $17.85 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1981 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 4AT AOD, 4MT
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Mercury Cougar Relay
Part Number: F5RZ-14N089-BB
$8.51 MSRP: $11.82
You Save: $3.31 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- 1999 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cougar Relay
Part Number: F5RZ-13A025-A
$10.85 MSRP: $15.07
You Save: $4.22 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cougar Relay
Part Number: F8AZ-13C718-AA
$0.00
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1997 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 4.6L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT, 4AT 4R70W, 4AT AOD, 4AT AODE, 4MT, 5MT
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Mercury Cougar Relay
Part Number: F8PZ-14N135-AA
$0.00
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1983-1988 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C5, 4AT AOD, 5MT
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Mercury Cougar Relay
Part Number: F8PZ-14N135-BA
$0.00
Product Specifications
- Other Name: ECM Relay, Power Relay
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1986 Mercury Cougar | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C5, 4AT AOD, 5MT

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Mercury Cougar Relay Parts Questions & Experts Answers

Relay
F19Z-9345-A
Q: What is the purpose of relays in a Mercury Cougar's electrical system and how can a faulty relay be identified and fixed?
A: When transmitting the electrical signal to the component, several electrical accessories in the vehicle are using relays. The defective relay leads to a malfunctioning component. These different relays are grouped at various places. In case of suspicion of a faulty relay, it can be removed and checked by a dealer service department or repair shop. Malfunctional relays must be changed as an assembly.