Availability
1978 Wiring Harnesses
Wiring Harness, Alarm System Harness, Factory Fit, Chevrolet, Each
Part Number: SUM-RP21081
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Dash Harness, Courtesy Lamp Timer Mounted Left of Steering Column, Chevy, Each
Part Number: SUM-RP21138
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Power Door Lock Harness, Passenger Side Door Lock, Chevy, Each
Part Number: SUM-RP21250
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Courtesy Lamp Wire, Delay Dome Lamp, Right of Glove Box Mount, Chevy, Each
Part Number: SUM-RP21106
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Elite 2500 V8 Terminated Harness, Bosch EV1, Chevy Small/Big Block, Ford Small/Big Block, Mopar Hemi, Each
Part Number: HTH-HT-141376
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Forward Lamp Harness, 1978 Firebird, Each
Part Number: SUM-RP24847
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Wiring Harness, Power Antenna Harness, Radio To Relay, Courtesy Lamp Timer Mounted Right of Glove Box, Chevy, Each
Part Number: SUM-RP21242
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Power Door Lock Harness, Early, Under Dash Crossover, Driver Side to Pass Side Door Locks, Chevy, Each
Part Number: SUM-RP21247
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Reproduction, Standard Length, Ground Wiring Harness, American Motors, Each
Part Number: SUM-RP22441
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Cruise Control Harness, Chevy, Each
Part Number: SUM-RP21107
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Engine Harness, Chevy, Each
Part Number: SUM-RP21171
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Engine, Chevy, Each
Part Number: OPG-41557
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Engine, Models with L6 Engine without NB2 Emissions, Chevy, Each
Part Number: AWW-CA85344
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Air Conditioning, Chevy, Each
Part Number: AWW-CA86693
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Engine, Glove Box, Extension Harness Plugs Into Switch, Fits Cars with A/C, Standard Length, Chevy, Each
Part Number: AWW-CA01725
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Horn, Jumper Wire for Models with Dual Horns, Standard Length, Chevy, Each
Part Number: AWW-CA95434
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Cruise Control, Models Built Before 2/15/1979, Standard Length, Chevy, Each
Part Number: AWW-CA96549
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Air Conditioning, Compressor Harness Extension, Models with V8, Standard Length, Chevy, Each
Part Number: AWW-CA96580
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Heater Wiring Harness, without Air Conditioning, Chevrolet, Each
Part Number: AWW-CA38278
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Speaker, Models with Mono Radio and Rear Seat Speaker, Chevy, Pontiac, Each
Part Number: AWW-CA87135
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Rear Window Defroster, Standard Length, Chevy, Each
Part Number: AWW-CA09479
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Wiring Harnesses, Factory-Fit, Engine, Models with V8 Engine with NB2 Emissions, Chevy, Each
Part Number: AWW-CA85357
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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