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dgcarousel's avatar
dgcarousel
Explorer
May 29, 2013

unable to use headlights without draining battery

This has happened twice to us. while driving we loose headlights windshield wiper etc. The first time we chalked it up heavy rains and possibly a short with the headlights. We have a 1981 Tioga c cla...
wa8yxm's avatar
wa8yxm
Explorer III
May 30, 2013
If you can't use headlights without killing battery one of two conditions exists.

1: On older cars with "V" type fan belts the blets do stretch as they age and need to be re-tightened. (1:B on one car I had they put on the wrong belt).

2: If you have a serpentine belt, and it has not broken (They do break on occasion) then the alternator has failed and needs either rebuilding or replacement.

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