UP FOR AUCTION WE HAVE A 1976 GMC/CHEVROLET TRUCK WIRING DIAGRAM MANUAL. THIS IS THE WIRING DIAGRAM A GMC/CHEVROLET MECHANIC WOULD HAVE USED TO WORK ON A 1976 GMC/CHEVROLET TRUCK. THIS IS GOOD ORIGINAL MANUAL WITH SOME STAINING IN AND ON IT. NOTE PICTURE FOR CONDITION. PLEASE FEEL FREE TO ASK ANY QUESTIONS PRIOR TO BIDDING. SHIPPING WILL BE $5.00 VIA USPS AND WILL INCLUDE A TRACKING NUMBER. THANK YOU FOR LOOKING AND HAPPY BIDDING!!!