my 99 super duty has had some electrical issues for the past few years that comes and goes. 1 is the feed to the headlight switch for parking la,ps and dash illum. goes out and found power at fuse in pdc but no power under dash where wire is coming thru firewall connector. Now last year I hooked...
Hello everyone, i am new to the forum. I am a dodge mechanic by trade but own a 99 7.3l. My truck used to never start when cold, even fair fall days. I replaced glow plugs and relay from diesel logic last spring. Truck starts everytime , even at zero degrees, not plugged in but always smokes...