The battery in my 1986 Jetta keeps dying. I have replaced...

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Answer by Jack
Submitted on 5/26/2006
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Check your fuses sometimes they can drain your battery Or on the column of your car by the steering wheel is that goofy parking light switch that does not turn on the interior dash lights, but does turn on the parking lights on the outside of the. if that was accidentally hit when you were cleaning or hooking things up, it will definitely drain your battery. We have at least one person a day call and say their battery is dead and they dont know why. most of the time is it because they somehow hit that little button there and didnt know it. If that doesn't work, it could be that your battery wasn't properly prepared in the first place. Batteries are shipped dry to the store, both conventional and maintenance free ones. When a customer buys one, the shop is supposed to fill it up with the correct electrolytes, let it settle for an hour, refill to the correct level, then charge it up. Battery life greatly depends on how well this is done. I've had my OEM battery for almost 100k miles now.

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Question by Manda
Submitted on 4/27/2004
Related FAQ: rec.autos.vw [W] GENERAL, FREQUENTLY ASKED QUESTION (FAQ)
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The battery in my 1986 Jetta keeps dying. I have replaced the battery and have had the alternator checked, however, it will only hold the charge for a short time. I was wondering if anyone had any sugguestions thanks!

Answer by tom
Submitted on 4/28/2004
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Check the voltage right at the battery terminals with engine at idle. Should be 13.5 to 14.5 volts. If not measure from positive terminal on alternator to cylinder head. If there is the correct voltage check for corroded cables and connections. If this section is OK, switch of everything, disconnect one battery terminal and measure quiescent current. Should be less then 20 milliamperes. If more, draw out the fuses one for one and look when the current drops. Often a wrong mounted the aftermarket radio is the problem.

Answer by 86 jetta
Submitted on 9/19/2004
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HOLY COW - I HAVE AN 86 JETTAT AND I HAVE THE SAME PROBLEM

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