New Starter overheating and melting solder on solenoid


Asked by Oct 18, 2015 at 05:35 PM about the 2000 Ford F-150

Question type: General

I installed new starter on my 2000 F150, it started fine, but 2 minutes later, the
starter started overheating and melting away the solder on the solenoid. All the
wires are hooked correctly. Anybody knows what causes this? My plan is to
take it back to the part store.

3 Answers


I have had this happen to some rebuilt starters I have been forced to use when my usual supplier is out of stock, I try to use NAPA starters if I can't get a new one.


This was made by ACDelco new...I was thinking I may have chance of over drawing power from unknown wires, but no clue all wires are fine. I'll hope for the best that this one is a faulty part. Truck won't start as soon as I shut off the engine.


It is possible that it was manufactured wrong, they only test the starter to engage briefly and not under load, so yes indeed take it back and have them bench test it for a few tries before leaving. The only other thing I can think of is a bad engine ground but you will usually have other little symptoms like lights flickering or unexplained errors in gauges at times etc. HTH

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