Select Your Vehicle
M&H Part 39374 Product Image

Trailer Light Adapter Harness, 1981 Chevy Truck

Step Side And Fleet Side Only

Note: Connects Between The Intermediate And Rear Lamp Harnesses With Original Style Connectors To Easily Add Trailer Wiring Without Splicing Into Stock Harnesses.

Owners of 1967-1982 Chevy and GMC Trucks can now add trailer lighting in minutes with our easy-to-use adapter harness. Our plug-and-play adapter harness features the correct weather-resistant molded-on mating parts that fit perfectly between the Rear Lamp Intermediate Harness and Rear Lamp Harness with no modifications required. The long leads on the adapter run to the trailer connection on the bumper or to any user-defined location. The wiring adapter provides connection for tail, brake, left and right turn signals, and backup lamps. The leads are color-coded to industry standards, further simplifying the installation. An installation instruction sheet is included.

Instructions

M&H Part Number: 39374

Summit Racing Part Number: SUM-RP20789
$98.00

Order from Summit Racing

Warning: This product can expose you to chemicals including lead and di(2-ethylhexyl)phthalate, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Fits The Following Vehicles
YearModelApplication
1967Chevy TruckStep Side And Fleet Side Only
1968Chevy TruckStep Side And Fleet Side Only
1969Chevy TruckStep Side And Fleet Side Only
1970Chevy TruckStep Side And Fleet Side Only
1971Chevy TruckStep Side And Fleet Side Only
1972Chevy TruckStep Side And Fleet Side Only
1973Chevy TruckStep Side And Fleet Side Only
1974Chevy TruckStep Side And Fleet Side Only
1975Chevy TruckStep Side And Fleet Side Only
1976Chevy TruckStep Side And Fleet Side Only
1977Chevy TruckStep Side And Fleet Side Only
1978Chevy TruckStep Side And Fleet Side Only
1979Chevy TruckStep Side And Fleet Side Only
1980Chevy TruckStep Side And Fleet Side Only
1981Chevy TruckStep Side And Fleet Side Only
1982Chevy TruckStep Side And Fleet Side Only
1967GMC TruckStep Side And Fleet Side Only
1968GMC TruckStep Side And Fleet Side Only
1969GMC TruckStep Side And Fleet Side Only
1970GMC TruckStep Side And Fleet Side Only
1971GMC TruckStep Side And Fleet Side Only
1972GMC TruckStep Side And Fleet Side Only
1973GMC TruckStep Side And Fleet Side Only
1974GMC TruckStep Side And Fleet Side Only
1975GMC TruckStep Side And Fleet Side Only
1976GMC TruckStep Side And Fleet Side Only
1977GMC TruckStep Side And Fleet Side Only
1978GMC TruckStep Side And Fleet Side Only
1979GMC TruckStep Side And Fleet Side Only
1980GMC TruckStep Side And Fleet Side Only
1981GMC TruckStep Side And Fleet Side Only
1982GMC TruckStep Side And Fleet Side Only
Questions

Our in-house experts can answer any questions you may have. Call (877) 977-WIRE

Guaranteed Fit

We offer a 100% Satisfaction Guarantee on everything we sell, click here for details.

© 2026 M&H Electric Fabricators, Inc.
Privacy Policy
Terms & Conditions
Proposition 65
Sitemap