Electricity going crazy

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Electricity going crazy

Post by Manuel_nl on Fri Aug 22, 2014 9:05 am

It started when it seemed that the battery was bad and I had to start it up. While driving the headlights and all other lights were weakening and "died". When I tried to shift gear form 4 to 5 the car shacked and stuttered.
I think the alternator is the problem. Can anyone confirm this.
Could there be more dammage because of this bad alternator.

Thanks. Manuel
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Re: Electricity going crazy

Post by FrontBackSide2Side on Fri Aug 22, 2014 10:17 am

Yeah sounds like a problem with the alternator to me. Check all your connections first though and also take a look at the belt.
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Re: Electricity going crazy

Post by Eightpot on Fri Aug 22, 2014 10:47 am

In addition:

Battery warning light on dash. With ignition on but engine off, is it lit? How about with the engine running, lit or a dim glow?

Check and clean connections on both the battery and alt. With the engine running use a multimeter to take a voltage reading off the +ve stud terminal on the side of the alt. If its around 12.6v then the alt isn't putting an output. It should be around 14v.

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Re: Electricity going crazy

Post by Logi on Fri Aug 22, 2014 3:55 pm

Alternator's buggered mate, needs a new/recon unit, Sad
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Re: Electricity going crazy

Post by Manuel_nl on Sun Aug 24, 2014 12:57 pm

Yesterday I started it up and checked the voltage. Everything was as it should be. As Frontback2Side mentioned I knew the belt had to be replaced. It was so bad that now I know wat caused the rubber smell sometimes. I've changed the belt and drove the van for some time to charge the battery. After 24 hours te battery is still charged and the van starts as I was used to.  Very Happy 

Wat probably happened is because of the worn out belt the battery didn't charge enough and the alternator wasn't delevering enough voltage/ current to the car. The battery was sucked dry and as often happens with electronics on low voltage weird thing happens.
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