anyone? my check engine light is on on my 00 psd excursion so i ran my scanner it says glow plug relay modulator. does anyone know if its an easy fix , sorry im new to the whole diesel thing thanks, any info will help:shrug:
Its actually very easy. It sits on the passenger side of the motor. You might actually have what looks like two of 'em. But I believe the rearward one runs the air intake heater...and the one closer to the front is the glow plug relay. I don't have the part number in front of me...but NAPA will be cheaper than the dealer. Then it's just disconnecting the wires, removing the relay...and reversing the process to put the new one in. Maybe 1/2hr worth of time including beer breaks. LOL
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