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GMC Wiring Harnesses
Showing In Stock Items. Show All 16 Items.
Engine Harness, HEI, Auto Transmission, Restoration, Small Block, Chevy, Each
Part Number: SUM-RP20639
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
BUILD IT WITH SUMMIT!
Summit Racing™ Reproduction Wiring Harnesses SUM-RP20643
Engine Harness, HEI, Manual Transmission, Restoration, Small Block, Big Block Chevy, Each
Part Number: SUM-RP20643
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
1970-72 CHEVY/GMC ENGINE HARNESS-V8-HEI
Part Number: HCT-EH03680HAUTO
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
50-53 CHVY/GMC COMPLETE WIRING HARNESS
Part Number: HCT-WH05300
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Rear Lamp Intermediate Harness, 1976 Chevy/GMC Fleetside and Stepside Bed, With 117.5 in Wheel Base, Each
Part Number: SUM-RP22829
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Engine Harness,HEI, Big Block, Small Block, Restoration, Chevy, Each
Part Number: SUM-RP20642
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Wiring Harness, 1981 Chevy/GMC Truck, Pwr Door Window Harness, 4 Door Models, Body Crossover, With Power Windows And Power Door Locks, Each
Part Number: SUM-RP21389
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Rear Lamp Intermediate Harness, 1975 K5 Blazer/Jimmy, Each
Part Number: SUM-RP22826
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Rear Lamp Intermediate Harness, 1973-74 K5 Blazer/Jimmy, Each
Part Number: SUM-RP22825
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Dash Instrument Harness, 1962-63 Chevy Truck, With Gauges and Overspeed Warning Light, Each
Part Number: SUM-RP24202
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Rear Lamp Intermediate Harness, 1980-82 Chevy/GMC Fleetside and Stepside Bed, With 131.5 in Wheel Base, Each
Part Number: SUM-RP22836
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Dome Lamp Extension Harness, 1979-83 Chevy/GMC Truck, All, Frt Door Jamb Swtch To Cargo /Dome Lamp, Each
Part Number: SUM-RP24953
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Wiring Harness, 1977 Chevy/GMC Truck, Pwr Door Window Harness, 2 Door Models, Driver Side Door, With Power Windows And Power Door Locks, Each
Part Number: SUM-RP21367
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Wiring Harness, 1980 Chevy/GMC Truck, Pwr Door Window Harness, 4 Door Models, Driver Side Front Door, With Power Windows And Power Door Locks, Each
Part Number: SUM-RP21384
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Rear Lamp Intermediate Harness, 1973-74 Chevy/GMC Truck, Fleetside & Stepside Bed, With 117.5 In. Wheel Base, Each
Part Number: SUM-RP22822
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
