Ford Wiring/Electrical :: 1976 F250 - Alternator Not Charging Aug 07, 2017Ford Wiring/Electrical :: 1976 F250 - Alternator Not Charging Aug 7, 2017. Engine Continues To Run And Only Way To Stop It Is To Jerk Coil Wire Off. I have a 1976 Ford F100 with a 302 and my problem is sometimes when my engine is running and I try to cut it off, it continues to run and the only way to stop it is to jerk the coil wire off. 1976 Ford F-250 Alternator | AutoPartsWarehouse wwwpartswarehouse›Ford›F-250›AlternatorLooking for a 1976 Ford F-250 Alternator? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!