Summit Racing SpeedCard - learn how to get 15% back up to $150

Summit Racing SpeedCard - learn how to get 15% back up to $150

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Automotive Wiring Harnesses

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Automotive Wiring Harnesses

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24,...

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!

Individual Parts

Results 1 - 25 of 1435

Engine Harness, HEI, Auto Transmission, Restoration, Small Block, Chevy, Each

Part Number: SUM-RP20640

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Wiring Harnesses, Factory-Fit, Engine, Small Block Chevy, Standard Length, Chevy, Pontiac, Each

Part Number: AWW-CA05774

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Engine Harness, HEI, Automatic Transmission, Restoration, Small Block, Chevy, Each

Part Number: SUM-RP20638

4.0 out of 5 stars ( 1 )

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Engine Harness, HEI, Auto Transmission, Restoration, Small Block, Chevy, Each

Part Number: SUM-RP20637

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Wiring Harness, Classic-Plus Tri-Five, 27-Circuit, Direct Fit, Chevy, Kit

Part Number: PRF-20105

4.6 out of 5 stars ( 10 )

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Wiring Harness, Classic Update Series, 18 Circuit, Front Mount Fuse Block, Standard Length, Chevy, Kit

Part Number: AWW-500423

4.88 out of 5 stars ( 24 )

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Wiring Harness, Classic Update Series, 18 Circuit, Front Mount Fuse Block, Standard Length, ATO/ATC, Chevy Truck, Kit

Part Number: AWW-500467

4.6 out of 5 stars ( 5 )

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Wiring Harness, 19-Circuit, Dash Ignition, Front Mount Fuse Block, Spade Fuse, Chevy, GMC, Pickup, Kit

Part Number: PRF-10112

4.88 out of 5 stars ( 8 )

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Wiring Harness, Classic Update Series, 16 Circuit, Front Mount Fuse Block, Extra-Long Length, ATO/ATC, Chevy, Kit

Part Number: AWW-510140

4.82 out of 5 stars ( 17 )

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Wiring Harness, Classic Update Series, 18-Circuit, Front Mount Fuse Block, ATC Fuses, Standard Length, Chevy, Kit

Part Number: AWW-500434

4.89 out of 5 stars ( 18 )

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Wiring Harness, Classic Update Series, Front Mount Fuse Block, Standard Length, Pontiac, Firebird, Kit

Part Number: AWW-510689

4.0 out of 5 stars ( 1 )

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Wiring Harness, Classic Update Series, 16 Circuit, Front Mount Fuse Block, Standard Length, ATO/ATC, Chevy, Corvette, Kit

Part Number: AWW-510267

5.0 out of 5 stars ( 3 )

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Wiring Harness, Classic Update Series, Front Mount Fuse Block, Standard Length, Pontiac, Firebird, Kit

Part Number: AWW-510683

3.0 out of 5 stars ( 2 )

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1981-82 Chevy Truck, Engine Harness, V8, 305, 350 C.I, Restoration, Chevrolet, Each

Part Number: SUM-RP20612

5.0 out of 5 stars ( 2 )

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Wiring Harness, 21-Circuit, Dash Ignition, Front Mount Fuse Block, Spade Fuse, Chevy, Chevy II, Kit

Part Number: PRF-20110

5.0 out of 5 stars ( 6 )

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Wiring Harness, Classic Update Series, Front Mount Fuse Block, Standard Length, Chevy, Camaro, Kit

Part Number: AWW-510581

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Wiring Harness, Classic Update, 22 Circuit, Column Ignition Location, Extra-Long, Front Fuse Location, Kit

Part Number: AWW-510926

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Engine Wiring Harness, 1979-80 Chevy/GMC Truck, C-10, V/8, 305,350,400 C.I, Each

Part Number: SUM-RP22805

5.0 out of 5 stars ( 2 )

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Engine Wiring Harness, 1977 Chevy/GMC Truck, C-10, V/8, 305,350,400 C.I, Each

Part Number: SUM-RP22803

5.0 out of 5 stars ( 1 )

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1962-1966 Chevy Truck, Rear Lamp Harness, Fleetside, Stepside, Restoration, Chevrolet, Each

Part Number: SUM-RP20735

5.0 out of 5 stars ( 1 )

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Wiring Harnesses, Engine Wiring Harness, OEM Replacement, Reproduction, Chevy, Each

Part Number: SUM-RP21521

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Dash Harness, 1966 Chevy Truck, Without Gauges, Each

Part Number: SUM-RP22883

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Wiring Harnesses, Dash And Forward Lamp Wiring Harness, OEM Replacement, Reproduction,Chevy, Each

Part Number: SUM-RP21475

3.0 out of 5 stars ( 1 )

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1963-1966 Chevy Truck, Forward Lamp Harness-Int Reg Alt Driver Side, With Gauges, Non-Serpentine Belt ("SI" Series) Internal Regulated Alternators.

Part Number: SUM-RP20680

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