Quote:
Originally Posted by whyndell
What is an "IDM"?
Also how much trouble to change the harness and glow plugs, I have a 96 F350 7.3 Powrstroke, 198,000 miles.
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IDM = Injector Driver Module.
It is controlled by the PCM and provides power to drive the injector solenoids. Mounted under the hood on the drivers side. It's a metal box with a large connector bolted to it.
If you find burnt pins on either the harness or the UVC gasket connectors, I would just replace the gasket(s) and then you have to splice in a new connector(s) on the hardness side since most likely the connector is burnt. You can get the kits from Ford or Napa.
And, yes, it would be wise to replace all 8 glow plugs since your have the valve covers removed and since you don't know when they were put in.
One more comment that has been brought up already: glow plug shorts, harness short, burnt pins can dammage your IDM. That's exactly what happenned to me a couple months ago...
Good luck
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* 96 F250 PSD, CC, SB, 2wd, auto, 3:55s
* 280,000 miles
* Tymar Performance intake
* 10K mod
* FPR shim
* DIY Exhaust Brake
* 3" downpipe
* Rotella Synthetic Engine Oil
* B100 all the way!
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