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1978 Wiring Harnesses

Individual Parts

Results 26 - 50 of 101

Engine Wiring Harness, 1978 Chevy/GMC Truck, C-10, V/8, 305,350,400 C.I, Each

Part Number: SUM-RP22804

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Rear Lamp Harness, 1973-78 Chevy/GMC Truck, Rear, Stepside, With 117.5 in. Wheel Base, Each

Part Number: SUM-RP22821

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Wiring Harnesses, RetroBright, Ground Switched Harness, Easy Installation, Toyota, Land Cruiser, Each

Part Number: HLY-H840

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Wiring Harnesses, Wiring Pigtails, for Single Power Window Switch Connectors, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: AWW-36048

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1977-1982 Chevy Truck , Rear Lamp Intermediate Harness , Fleetside and Stepside , 131.5 Wheel base , Restoration , Chevrolet , Each

Part Number: SUM-RP20760

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Engine Harness, 1978 Jeep CJ5/CJ7, V8, With Manual Trans, Reproduction Of OEM#5462433, Best Quality, Built From OEM Blue Prints, Each

Part Number: SUM-RP23081

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

Part Number: SUM-RP21521

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Wiring Harnesses, Power Window Wiring Harnesses, Chevrolet, Pontiac, Each

Part Number: AWW-CA67300

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Wiring Harness, Tachometer Wiring Harness, OEM Replacement, Restoration, Pontiac,Each

Part Number: SUM-RP21664

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Wiring Harness, Power Window Wiring Harness, OEM Replacement, Restoration, Chevy, Pontiac, Each

Part Number: SUM-RP21611

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Wiring Harnesses, Fuel Tank Sender Harnesses, Chevrolet, Pontiac, Each

Part Number: AWW-36269

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Dome Lamp Harness, 1973-82 Chevy/GMC Truck, All 2 Door , Except Blazer, Jimmy, Roof Dome Lamp To Extension Harness, Each

Part Number: SUM-RP23182

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Park Lamp Jumper Harness, Park Lamp To Forward Lamp Harness, Restoration, Pontiac, Each

Part Number: SUM-RP20722

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Wiring Harnesses, Trunk Light Wiring, Chevrolet, Pontiac, Each

Part Number: AWW-CA03102

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Wiring Pigtail, Headlight Connector, Jeep, H4, H6054, 6014, H6014, H6024, Each

Part Number: CWA-998475HT

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Wiring Harnesses, Factory-Fit, Courtesy Light, Center Roof Mounted Courtesy Light, Chevy, Pontiac, Each

Part Number: AWW-CA86077

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Rear Lamp Intermediate Harness, 1977-78 K5 Blazer/Jimmy, Each

Part Number: SUM-RP22820

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Wiring Harness, Air Conditioning Compressor Jumper Harness, OEM Replacement, Restoration, Compressor To Main Engine Harness, Pontiac, V8, Each

Part Number: SUM-RP23088

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Wiring Harness, Factory-Fit Wiring Harness, Fuel Tank Sending Unit, Standard Length, Chevy, Pontiac, Each

Part Number: AWW-36272

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Wiring Harness, A/C Harness, Air Conditioning Harness, OEM Replacement, Restoration, With Heater Wiring, Pontiac, V8, Each

Part Number: SUM-RP23092

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1978-1982 Corvette , Repair Pigtail, For Power Door Lock Switch , For Left (Driver) Side Power Door Lock Switches, Connector & Wire , Restoration

Part Number: SUM-RP20764

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Wiring Harnesses, Door Jamb Harness, Light Harness, OEM Replacement, Reproduction Chevy, Pontiac,Each

Part Number: SUM-RP21472

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Wiring Harness, Fuel Tank Sending Harness, OEM Replacement, Restoration, Chevy, Each

Part Number: SUM-RP21579

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Rear Lamp Harness, 1973-82 K5 Blazer/Jimmy, Rear, 2 Required Per Vehicle, Each

Part Number: SUM-RP22818

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Wiring Harnesses, Factory-Fit, Power Accessory, Fuse Box to Power Feed Extension, Standard Length, Chevy, Pontiac, Each

Part Number: AWW-FB09485

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today