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Old 03-09-2006, 01:17 PM
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hard starting

I have a 01' F350 with 99,000 miles on it. For the past 2 weeks it starts intermittantly. Every few mornings the wait to start light will come on and when it goes off and I crank the engine there is a clicking sound in the dash and the engine wont start. I don't think it is the glow plug relay but I'm not sure. It seems to work fine some days and some days it does this. Any thoughts would be appreciated. Thanks,
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Old 03-09-2006, 03:13 PM
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Quote:
Originally Posted by mwolfe
I have a 01' F350 with 99,000 miles on it. For the past 2 weeks it starts intermittantly. Every few mornings the wait to start light will come on and when it goes off and I crank the engine there is a clicking sound in the dash and the engine wont start. I don't think it is the glow plug relay but I'm not sure. It seems to work fine some days and some days it does this. Any thoughts would be appreciated. Thanks,
test the glow plug relay first, but make sure to test it when it is acting up....if that passes, let me know, your PCM or IDM relay could also be causing this.......but i would almost bet that when it is happening the glow plug relay will test bad........
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Old 03-09-2006, 06:22 PM
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Sounds to me like possible battery issues also. Have the batteries tested, and make sure to disconnect one of the Positive terminals before testing the batteries. You must isolate the batteries from each other. If not then you will be testing both batteries and they will usually always test fine.
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Old 03-19-2006, 04:16 PM
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hard starting

Thanks for the tips,

Well I replaced the batteries and everything was working good for a few days and then the PCM went out.
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Old 03-19-2006, 05:02 PM
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I was wondering about the low and high beam mod. Some info on it plz.-Thanks
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Old 03-19-2006, 05:20 PM
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Originally Posted by F350SUPERDUTY
I was wondering about the low and high beam mod. Some info on it plz.-Thanks
It's actually very easy. You just place a diode from the low beam cicuit to the high beam circuit right at the multifunction switch. No need for relays and extra wiring. Let me know if you need details on your trucks wiring, but all you have to do is find which wire is hot for the low beams and which wire is hot for the high beams and put a diode from one to the other. This will allow current to flow to the low beams when you put on the high beam, but will not allow the current to flow from the low beams to the high beams.
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Old 03-19-2006, 05:21 PM
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mwolfe....
How do you know the pcm went out? It's not too common.
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