I have a f-150 p.u. 1988 no injector puse , ( new distributor with icm on it. new coil. power to both red and yellow wire at injector so relay good right, ?.... have pip signal and switching too but led does not go out completely faint light between bright lite, I am lock and loaded the is nuts 2 weeks on this pos. 78.232 miles no rust as is 2500. old man took good care of it. paint faded. TEXAS TRUCK..