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#1481141 01/14/06 03:09 PM
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when i'm in the mood to do some ass hauling on the interstate or wherever, at high rpms my battery light comes on and my lights start flickering heavy, anyone have any ideas as to why?


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#1481142 01/14/06 03:15 PM
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one word ... alternator


one word ... search


- 95 Mystique LS - Zetec/5spd - 99 Contour SeVT Sport - Duratec/5spd Official NE-CEG Contour/Mustang Family
#1481143 01/14/06 03:30 PM
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its a brand new alternator, and the volts never change when it happens... i spent 2 hours searching and didnt find anything that sounded exactly like my problem!!


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#1481144 01/14/06 06:17 PM
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Test the battery and alternator.

Engine off, lights on for one minute. Battery voltage should be 12 to 12.5 across the terminals.

Engine running, alternator voltage should be 14 to 14.5 acoss the battery terminals.

If it checks out okay, check all wiring from battery to alternator or battery to ground.

In addition, read this thread.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=1043318&page=&view=&sb=5&o=&fpart=all&vc=1


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#1481145 01/14/06 07:10 PM
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both the battery and alternator seem fine... with the lights on, my voltmeter to the alternator always reads around 14 - 14.5, and the battery is fine... don't know what the problem could be, maybe something slipping at super high rpm


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#1481146 01/15/06 12:33 AM
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Check for loose wiring.


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#1481147 01/18/06 03:48 PM
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Well u and i have something in common well it has to deal with the wires to the alternater those have to be beplaced

#1481148 01/18/06 08:30 PM
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Originally posted by bscontour:
Well u and i have something in common well it has to deal with the wires to the alternater those have to be beplaced




Wrong. Brapple has the correct answer, as usual.

The alternator does the flickering battery light at high rpm when it in the process of failing.

If your headlights flicker or seem to dim irregularly at idle, then it could be just a battery cable or mega fuse is corroded & may need cleaning/replacing. If those things are clean then the alternator is indicated again. Get the charging system checked at the auto parts store to be sure it's the alt & not the battery at fault.


Must be that jumbly-wumbly thing happening again.

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