Join Date: Apr 2008
Location: Moyock, NC
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Your block heater could be bad. You should read some sort of temp on the gauge instead of rock bottom cold.
Check your glow plug relay. it is in the middle of the motor, on top, more towards the passenger side and looks like the starter relay on your passenger fenderwell. Check the big lugs on that relay. One lug should be a constant 12v from the batts. The other should be dead until you turn the key to the on position. Once the key is in the on position, check the voltage and it should be around 12v as well. If not, your GPR is bad.
Check the wiring harness at the valve cover, they shouldn't smell or look burnt, if so you need new valve cover gaskets and under valve cover harnesses.
05 F250 4x4 CC, 9.5" Rize/Icon, 38" Toyos, 20x12 Pacers, 5" MBRP, AFE stage 2, Cass 190s, Powermax, ELC w/filter, RCD EGR delete
04 Excursion 4x4, vacation bus
Project 1979 F250 6.0 powered in progress