As seen on
ADDED TO YOUR CART!
Wire Harness, Back-Up Lamp, 1981-87 GM 3/4 & 1 Ton, 2WD, MT, Swtch to Ext.
ADDED TO YOUR WISHLIST!
Restore the original back-up lamp circuit with this American Autowire® factory-fit harness for 1981-87 GM 3/4- and 1-ton 2WD trucks with manual transmission. Backup-light switch harness connects the M20/4-speed switch to extension harness 39947. It is configured as a direct application-specific replacement so the circuit can be repaired without adapting a universal harness.
• 1981-87 GM 3/4- and 1-ton 2WD trucks with manual transmission application • Factory-fit back-up lamp wiring • Application-specific terminals and connectors • Restores the original switch circuit and routing
Find parts that fit your vehicle