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mickeymousemechanic 08-30-2012 11:21 AM

electrical short?
We are working on my son's 93 4.6 L Grand Marquis. The alternator burned out and killed the battery. We replaced the alternator, battery, battery post clamps and the voltage regulator plug.
With the car running, we are showing a charge at 12.16-12.18. When the headlamps are turned on we only get a charge showing of 11.95-11.97.
I don't know what else to diagnose to figure out this short. Could someone help with suggestions, please?
Thank you,
Mickey and Minnie Mechanic and computer geek son

toddalin 08-30-2012 04:04 PM

Sounds like it's not charging and you are just reading the battery voltage.

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