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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

HELP!! with IDI charging issue!!! PLEASE!!

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Old Jul 19, 2012 | 10:22 PM
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HELP!! with IDI charging issue!!! PLEASE!!

I have a 1987 Ford Diesel IDI. Heres the lowdown, I would go to start periodically thruout summer and it would always start. Then she slowly stopped starting, charge the battery and away I go, only to have it kill the battery as driving. not sitting in driveway. So I got alternator tested and it was fine. I put in a new voltage regulator plugged it in and tossed in a nicely charged battery. So I go for a nice joyride and see the voltage gauge on dash slowly goin down. Sure enough I turn it off and no start. So basically it doesnt die sitting for a week or two, but driving it does. It is a dual battery setup, would one battery be bad and do this, or bad regulator or what do I do, Im lost, Im mechanically inclined but diesels and electricity are a new thing to me.
Thank you in advance!!!
 
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Old Jul 19, 2012 | 11:16 PM
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From: Elkhorn, Wiscompton
Fusible link between your fender-mounted starter solenoid and the alternator.....it's a black chunk about 3-8 inches down (I've seen them all different lengths) I have rebuilt many of those pieces, not hard.
 
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Old Jul 20, 2012 | 08:46 AM
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I will try that today, thank you much
 
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Old Jul 20, 2012 | 08:54 AM
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From: Elkhorn, Wiscompton
Anytime bud
 
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Old Jul 21, 2012 | 10:50 PM
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Well I figured it out, I checked a fusible links, yes ALL!! and the one coming out of alternator, the orange one had no juice with key on, so I checked at the regulator and still nothing. The damn ignition wire goin to regulator with key on wasnt giving power, So I got power on it and I think I figured it out.
 
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Old Jul 22, 2012 | 01:57 AM
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From: Elkhorn, Wiscompton
That is great bud, hopefully it's a permanent fix.
 
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