OEM GM Engine Wiring Harness

Shop Engine Wiring Harness Parts Online

An engine wiring harness is an important part of your vehicle's electrical system. It's responsible for transmitting signals and electrical power to different parts, including the engine management system and sensors. The wiring harness makes sure the engine works correctly and communicates effectively with other parts of your Buick vehicle.

Signs of a Failing Engine Wiring Harness

Recognizing the signs of a failing engine wiring harness will help improve performance and safety. Common symptoms include:

Power loss: If the engine suddenly loses power, this could be due to poor wiring connections.

Check engine light: The check engine light on your dash can be triggered by faults in the wiring harness.

Visible wear or damage: Physical inspections might reveal cracked, brittle, or melted insulation, or exposed wires.

Unusual electrical issues: Problems such as flickering lights or non-responsive guages might indicate harness issues.

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Our auto parts store has everything you need to take on repairs. If you have questions about our inventory or need expert shopping advice, please get in touch with our team.

84717684 - : Engine Wiring Harness for Cadillac: CT5 Image

Engine Wiring Harness

GM 84717684
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$806.61
MSRP $886.38
Save $79.77
9% Off
84722386 - : Engine Wiring Harness for Chevrolet: Silverado 1500 | GMC: Sierra 1500, Sierra 1500 Limited Image

Engine Wiring Harness

GM 84722386
3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$838.97
MSRP $921.94
Save $82.97
9% Off
84742283 - : Engine Wiring Harness for Chevrolet: Silverado 2500 HD, Silverado 3500 HD | GMC: Sierra 2500 HD, Sierra 3500 HD Image

Engine Wiring Harness

GM 84742283
6.6L gas, without dual alternators, 4wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$437.06
MSRP $700.26
Save $263.20
37.6% Off
84742288 - : Engine Wiring Harness for Chevrolet: Silverado 2500 HD, Silverado 3500 HD | GMC: Sierra 2500 HD, Sierra 3500 HD Image

Engine Wiring Harness

GM 84742288
6.6L diesel, with dual alternators, 2wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$435.82
MSRP $698.12
Save $262.30
37.6% Off
84742297 - : Engine Wiring Harness for Chevrolet: Silverado 2500 HD, Silverado 3500 HD | GMC: Sierra 2500 HD, Sierra 3500 HD Image

Engine Wiring Harness

GM 84742297
6.6L gas, without dual alternators, 2wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$367.19
MSRP $588.17
Save $220.98
37.6% Off
84793332 - : Engine Wiring Harness for Cadillac: CT5 Image

Engine Wiring Harness

GM 84793332
3.0L, rwd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$497.33
MSRP $796.65
Save $299.32
37.6% Off
84793333 - : Engine Wiring Harness for Cadillac: CT5 Image

Engine Wiring Harness

GM 84793333
3.0L, awd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$863.93
MSRP $949.37
Save $85.44
9% Off
84798630 - : Engine Wiring Harness for GMC: Acadia Image

Engine Wiring Harness

GM 84798630
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$375.67
MSRP $601.75
Save $226.08
37.6% Off
84798670 - : Engine Wiring Harness for Chevrolet: Blazer Image

Engine Wiring Harness

GM 84798670
3.6L, with awd, with block heater. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$452.20
MSRP $724.52
Save $272.32
37.6% Off
84802782 - : Engine Wiring Harness for Chevrolet: Camaro Image

Engine Wiring Harness

GM 84802782
Without zl1, 3.6L, auto trans. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$418.13
MSRP $669.89
Save $251.76
37.6% Off
84802783 - : Engine Wiring Harness for Chevrolet: Camaro Image

Engine Wiring Harness

GM 84802783
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$345.63
MSRP $553.64
Save $208.01
37.6% Off
84802785 - : Engine Wiring Harness for Chevrolet: Camaro Image

Engine Wiring Harness

GM 84802785
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$429.77
MSRP $688.56
Save $258.79
37.6% Off

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