Join Date: Apr 2008
Location: Beeville, TX
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The glow plug relay is located on the passenger side valve cover, sort of beside the fuel filter housing. You can most easily reach it from the back side by removing the dog house, and turbo shield. If your truck still has the silly resonator box on the intake system, remove it with a claw hammer (in pieces) and plug that hole with a paint can lid or bearing cap or something. It makes service a heck of a lot easier.
If you don't want to remove the resonator the fun way, then loosen the bolts, and try to wiggle it out of there while grinding your knuckles on every sharp folded edge, screw, turbocharger piping, etc till you get it out. Your choice.
125 codes??? At one time? I think the most I ever had was on an '08 duramax ambulance I had that had a battery cable loose, and the truck had a nervous breakdown. It threw 38 codes simultaneously, and the tranny wouldn't shift out of first gear. All for a battery that wasn't connected.
Anyway, I was wondering if your PCM is faulty. It seems to be throwing codes for all sorts of things that are unrelated, and even more strange, things you don't even have.
Eli Benson - EMT, Ambulance Mechanic
'08 F350 Dually KR - Spartan'd
'07 F250 CC SB 4x4 XLT - SCT /w Innovative Tunes
4 '09 & '10 E350 6.0l ambulances
1 '08 Duramax 6.6 (LMM) van ambulance
Last edited by elibenson; 11-24-2008 at 03:46 AM.
Reason: forgot to add something