Question about 1992 Mercury Sable

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Charging system My 1992 sable 3.8 ltr will take a jump and run during the day as long as nothing else is running. (ex. headlights, turn signals, heater, wipers etc.). I've disconnected all non factory items that could draw power and I'm still having the same problem. I've replaced the altunator twice and the battery and still no change. I'm at my wits end.

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It sounds to me like a faulty battery.  I bought a battery from Napa for my 92 Sable.  Did the same thing...ran all day..then it would die.  Come to find out the battery was junk.  Replaced that battery and I was good to go.  Other than that, I would make sure allt he cable are tight and have the alternator tested.

Posted on Mar 02, 2009

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62217_isuzfuse_1.jpg
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