Super Duty & Heavy Duty1999 to current Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines
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I have an 02 F250 6.8 with 51,000 miles on it. I recently replaced the battery about a week ago, and only actually drove it yesterday for the first time since replacing the battery. I drove it about 25 miles, parked, and when I went to restart, it wouldnt. The starter doesnt crank, so I mean its not a cranking issue as in cranking, and not starting. It only clicks at the relay when turning the key. It acts like when you try to use a wrong chip coded key. All of the dash lights came on, and I can hear the relay clicking, but thats it. I swapped the relays around, and no luck. If I let it sit a while, about an hour, it will fire right up. The battery cables are tight and free of corrosion. Im tryly stumped here! Im curious, since I just put in a new battery, could this be the culprit? Why will it start fine cold, but not hot? I have NEVER had an issue with this truck until now.
Next time see if you can tap on the starter and get it to crank.
I had thought about that, but thought it was odd this happened right after I installed a new battery. The power seems to go no further than the relay. No starter noise at all. Yesterday was the first time I actually drove it since the new battery was installed....and the no start happened after first shut off. Ive never had a starting issue except for the old battery going dead....
There is no simple answer to your question. Many things could cause your symptoms. To find the problem, testing needs to be done. If you do not know how to test, you need to get someone to assist you. If you knew how to do the test, we could guide you through them, but if you do not know how to test for voltage at the starter, you need to get some "hands on" help.
There is no reason why replacing the battery would cause your problem.
I noticed last night, as I went to start it to see what it would do....After starting it, I ran it for about 10 seconds, shut it off, and it wont restart. Kind of odd that it isnt even hot and wont restart. Seems strange that a starter would cause this.
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