1978 Wiring Harnesses

1975-1980 Chevy Truck, Forward Lamp Harness, 1980 With Round Headlights, Restoration, Chevrolet, Each

Part Number: SUM-RP20659

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Wiring Harnesses, Factory-Fit, Engine Wiring Harness, Chevrolet, Each

Part Number: AWW-CA58442

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-RP21521

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-RP21505

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

47-87 "DELUXE" 20 CIRCUIT WIRING HARN

Part Number: HCT-UWH0018

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SUM-RP22804

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-RP22820

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-RP22817

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Wiring Harness, Cruise Control Harness, Chevy, Each

Part Number: SUM-RP21107

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Wiring Harness, 1978 Chevy/GMC Truck, C-10, V/8, 454 C.I, Each

Part Number: SUM-RP22797

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Harness, 1978 Jeep CJ5/CJ7, 6 Cylinder, With ManualTrans, Reproduction Of OEM#5463895, Best Quality, Built From OEM Blue Prints, Each

Part Number: SUM-RP23083

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Forward Lamp Harness, 1978 Firebird, Each

Part Number: SUM-RP24847

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Harness, 1978 Jeep CJ7, V8, With AutoTrans, Reproduction Of OEM#5462740, Best Quality, Built From OEM Blue Prints, Each

Part Number: SUM-RP23082

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SUM-RP22821

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Wiring Harness, Forward Lamp Harness, Chevy, Each

Part Number: SUM-RP21192

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Wiring Harness, Engine Harness, Chevy, Each

Part Number: SUM-RP21171

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Wiring Harnesses, Factory-Fit, Engine, Models with L6 Engine without NB2 Emissions, Chevy, Each

Part Number: AWW-CA85344

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wiring Harnesses, Factory-Fit, Engine, Models with V8 Engine with NB2 Emissions, Chevy, Each

Part Number: AWW-CA85357

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wiring Harnesses, Factory-Fit, Air Conditioning, Chevy, Each

Part Number: AWW-CA86693

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order