How do you check the spark plug wires on Ford Mustang?

The spark plug wires should be checked at recommended intervals, or when replacing spark plugs. To do this, observe the spark plug wires while the engine runs. Start the engine in a darkened garage or at night and look at each plug wire. When a break has occurred in the wire, you will see arcing or a small blue spark coming from the broken area. At higher engine speeds, secondary ignition voltage increases; however, a faulty lead may not produce an arc at idle speed. As mentioned earlier, examine the wires for any indications of arcing. Replace all spark plug wires if arcing is observed.

Genuine Ford Mustang Spark Plug Wire

Spark Plug Ignition Wires

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13 Spark Plug Wires found

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Ford Mustang Kit
Part Number: 5U2Z-12259-BA
$44.35 MSRP: $70.73
You Save: $26.38 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cable Set, Plug Wire Set
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Kit
Part Number: E8PZ-12259-A
$32.03 MSRP: $51.09
You Save: $19.06 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cable Set
- Replaces: E6PZ-12259-H
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1989 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT A4LD, 4AT AOD, 4MT, 5MT
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Ford Mustang Wire Assembly - Ignition
Part Number: 5U7Z-12286-AB
$9.77 MSRP: $13.57
You Save: $3.80 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Wire Assy - Ignition
- Manufacturer Note: Cylinder 4
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Wire Assembly - Ignition
Part Number: 5U7Z-12286-AA
$9.90 MSRP: $13.75
You Save: $3.85 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Wire Assy - Ignition
- Manufacturer Note: Cylinders 5 And 6
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Wire Assembly - Ignition
Part Number: 1U2Z-12286-CAA
$13.73 MSRP: $18.75
You Save: $5.02 (27%)
ADD TO CART
Product Specifications
- Other Name: Wire Assy - Ignition; Plug Wire
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Wire Assembly - Ignition
Part Number: 1U2Z-12286-CDA
$13.73 MSRP: $18.75
You Save: $5.02 (27%)
ADD TO CART
Product Specifications
- Other Name: Wire Assy - Ignition
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Wire Assembly - Ignition
Part Number: 5U7Z-12286-BA
$13.73 MSRP: $18.75
You Save: $5.02 (27%)
ADD TO CART
Product Specifications
- Other Name: Wire Assy - Ignition
- Manufacturer Note: Cylinder 3
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Kit
Part Number: 1U2Z-12259-BA
$34.88 MSRP: $55.64
You Save: $20.76 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cable Set
- Manufacturer Note: Kit/Set
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Wire Assembly - Ignition
Part Number: JR3Z-12286-A
$22.35 MSRP: $34.73
You Save: $12.38 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire Assy - Ignition; Cable Set, Plug Wire
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2024 Ford Mustang | 4 Cyl 2.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS | 10-Speed Automatic Transmission (10R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Wire Assembly - Ignition
Part Number: 1U2Z-12286-CCA
$10.83 MSRP: $16.84
You Save: $6.01 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire Assy - Ignition; Plug Wire
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Wire Assembly - Ignition
Part Number: 5U7Z-12286-AD
$10.46 MSRP: $14.54
You Save: $4.08 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire Assy - Ignition
- Manufacturer Note: Cylinder 1
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Wire Assembly - Ignition
Part Number: 5U7Z-12286-AC
Product Specifications
- Other Name: Wire Assy - Ignition
- Manufacturer Note: Cylinder 2
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Mustang Wire Assembly - Ignition
Part Number: 1U2Z-12286-CBA
Product Specifications
- Other Name: Wire Assy - Ignition
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

Ford Mustang Spark Plug Wire Parts Questions & Experts Answers

Kit
5U2Z-12259-BA
Q: How do you check the spark plug wires on Ford Mustang?
A: The spark plug wires should be checked at recommended intervals, or when replacing spark plugs. To do this, observe the spark plug wires while the engine runs. Start the engine in a darkened garage or at night and look at each plug wire. When a break has occurred in the wire, you will see arcing or a small blue spark coming from the broken area. At higher engine speeds, secondary ignition voltage increases; however, a faulty lead may not produce an arc at idle speed. As mentioned earlier, examine the wires for any indications of arcing. Replace all spark plug wires if arcing is observed.