Question about 2001 Ford F350 Super Duty SuperCab

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2001 F350 Charging problems

Hello,
My 2001 F350 quit starting when the batteries went dead. (thought they were old). Replaced the Batts- and then had the alternator tested. Diod was bad. Replaced the alt-. Problems were gone for about 2 weeks. Suddenly the batts were dead again and the batt light came on. Same problem. Is there something else that could be kiling the alt-. Has there been any recalls on this issue with alternators and batteries???
Thanks

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New batteries and alternator still wont start 2000 F350 ford dually

Posted on Jun 01, 2012

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Actually the only thing i can recomend is to have the alternator replace again for warranty and before starting the truck charge the batteries very well with a baterie charger make sure to charge them individually because with a low batterie the alternator has to put a lot of load and might burnt again
specially with dual batterie.

Posted on Jun 03, 2008

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Replace seilnoid / if on top of starter as one unit replace the unit before that though tap.with hammerwhile trying to start it if fires up then it's bad not the battery when threw same thing spent slot of time and money just to figure it out tap starter while trying to start should fire up then replace check that wires are tight

Posted on Feb 21, 2013

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Have the charging system checked. Autozone, Advance, and Oreilys will do it free. Check Diodes.

Some production years had a weird problem. Its worthy of mention but since you replaced the batteries, it should not apply. Watch your Charge, Voltmeter as sometimes the Alternator will disconnect automatically WHILE DRIVING at even 70mph. The system monitors your vehicle for PARASITIC drains and automatically disconnects the power connection as part of a Battery Saver.

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The glowplugs could be remaining energized and you would not know it. A grounding starter could drain the system. Have a draw test performed.

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Clean the Negative battery cable and if mounted to the block, check the engine to frame strap.

Please rate my info.

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