What is the purpose of relays in a Ford Thunderbird'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 Ford Thunderbird Relay

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33 Relays found

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Ford Thunderbird Relay
Part Number: FOAZ-14N089-A
$17.51 MSRP: $28.36
You Save: $10.85 (39%)
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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:
- 1994-1997 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Relay
Part Number: FOAZ-14N089-B
$104.46 MSRP: $161.50
You Save: $57.04 (36%)
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:
- 1993-1997 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L, 8 Cyl 5.0L | 4AT 4R70W, 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: F8PZ-14N135-DA
$50.83 MSRP: $69.45
You Save: $18.62 (27%)
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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 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Starter Motor Relay Assy
Part Number: E9TZ-11450-B
$23.79 MSRP: $38.55
You Save: $14.76 (39%)
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 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Direction Indicator Relay
Part Number: E8OY-13350-A
$44.90 MSRP: $72.73
You Save: $27.83 (39%)
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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 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD, 5MT
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Ford Thunderbird Direction Indicator Relay
Part Number: FODZ-13350-A
$27.82 MSRP: $44.36
You Save: $16.54 (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 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Relay
Part Number: F5TZ-14N089-B
$10.38 MSRP: $15.47
You Save: $5.09 (33%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Horn Relay, Sentinel Relay, Wiper Relay
- Replaced by: 5M5Z-14N089-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Relay
Part Number: F3LY-2C013-A
$166.10 MSRP: $232.31
You Save: $66.21 (29%)
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 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: F4SZ-14N089-A
$9.55 MSRP: $15.47
You Save: $5.92 (39%)
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 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Relay
Part Number: F8PZ-14N135-CA
$13.97 MSRP: $19.09
You Save: $5.12 (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 Ford Thunderbird | 6 Cyl 3.8L | 4AT AOD, 5MT
- 1982 Ford Thunderbird | 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L | 3AT C5, 4AT AOD
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Ford Thunderbird Fuel Pump Assembly
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: PUMP ASY - FUEL; Relay
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Relay
Part Number: YL3Z-19G390-AA
$26.33 MSRP: $30.00
You Save: $3.67 (13%)
Product Specifications
- Replaces: YL3Z-19G390-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Ford Thunderbird | 8 Cyl 3.9L DOHC EFI NA | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission NAAO 5R55N, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Thunderbird Kit
Part Number: YL3Z-19G390-BA
$26.33 MSRP: $30.00
You Save: $3.67 (13%)
Product Specifications
- Replaced by: YL3Z-19G390-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Ford Thunderbird | 8 Cyl 3.9L DOHC EFI NA | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission NAAO 5R55N, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Thunderbird Relay
Part Number: F8PZ-14N135-EA
Product Specifications
- Other Name: Horn Relay
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986-1988 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: F8PZ-14N135-BA
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:
- 1983-1988 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: F8PZ-14N135-AA
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1983-1988 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: F8AZ-13C718-AA
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1997 Ford Thunderbird | 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 4R70W, 4AT A4LD, 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: FOSZ-2C013-A
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-1992 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD, 5MT
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Ford Thunderbird Relay
Part Number: F4ZZ-12B577-A
Product Specifications
- Manufacturer Note: Multi-Function Relay
- Replaced by: F6SZ-12B577-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Thunderbird Relay
Part Number: F3OY-13A025-A
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-1992 Ford Thunderbird | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT AOD, 5MT
- 1985-1988 Ford Thunderbird | 4 Cyl 2.3L, 6 Cyl 3.8L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4AT A4LD, 4AT AOD, 5MT

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1-20 of 33 Results

Ford Thunderbird Relay

The Ford Thunderbird Relay is a switch that runs with electricity and through low current signals controls high power climate parts in the vehicle. Though small, it connects inputs like sensors with output components like fans and blower motors and cuts or allows access to power the moment the request comes from the control module. In short, a worn unit can be replaced faster to restore comfort than expensive hardware upgrades. The electromechanical Relay has been a historic Ford component since the original Ford design and has been refined through all Thunderbird generations. The electromechanical Relay uses a coil to pull metal contacts together to transmit energy. The solid state Relay version seen in later Ford updates and found in some Thunderbird years uses semiconductor circuits to allow for quicker, silent action. Finally, the magnetic latching design will lock into its energized position with a single energizing pulse and remain in that position even if the battery voltage drops to below the Relay release level, thus preserving the setting. These three apparatus tend to keep a temperature unchanged using a minimum amount of energy while they differ in their movements or holding contacts and behavior during power loss. If a Relay fails, it can stop the fan or blower it controls. Testing an affected Ford Thunderbird can save your customer unnecessary expense.

We provide a wide range of Ford Thunderbird Relay at the optimal prices. If you need Ford Thunderbird Relay, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your doorstep with a fast delivery service.

Ford Thunderbird Relay Parts Questions & Experts Answers

Starter Motor Relay Assy
E9TZ-11450-B
Q: What is the purpose of relays in a Ford Thunderbird'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.