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I have a 2002 E550 with a 7.3L Powerstroke. I spent a few days cranking the truck over in the cold weather to finally get it to start; and I let it run for an hour before turning it off. I went out the next day to start it again and all it will do is give a clicking sound. The battery is fully charged and I do have the truck plugged in. Did I do something to cause this from the previous day of trying to continious starting it? My thought might be a bad starter selenoid? Any thoughts?
The battery cables are connected sound and the battery's are both charged. Is the solenoid located on the starter? How do I check to se if its good? Or do I just remove the starter and take it in to be tested?
Didn't see a followup from the OP, with a diesel, get a battery tester, one of the $20 resistive ones works fine.
remove and clean every cable connection, batteries, grounds, starter. Charge each battery seperately and test each one.
If you have just a click, it could be the upper starter solenoid, look for voltage with a test light on the outbound side when the key is turned to start. If you have voltage, your next stop is the starter itself.
"taking it in" to be tested shouldn't be necessary, but it sounds like fred is not familiar with bench-testing his own starter, so i'll briefly describe the process. with the starter out of the truck, support the starter in a vise (by its mounting flange only, don't crush it), then connect jumper cables or other heavy cables from a battery: ground of battery to body of starter (mounting flange), then momentarily connect the positive cable to the stud where the hot wire connects. the starter should roar to life. note: avoid arcing of the terminal by having a solid connection of the positive cable to the starter, then making the final connection at the battery. note2: if a vise is not available, most starters can be held down by a man, but expect it to try to jump out of your hands.
if the starter works for a bench test, but not in the truck, its probably not getting power. rarely have i seen a good starter getting good power just click and not crank the engine, and those were due to seized engines, which i don't expect is your case.
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