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Re: Dead battery vs 12.5 volts
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Posted by BC [Email] (more from BC) on Wed, 28 May 2014 23:26:42 Share Post by Email
In Reply to: Re: Dead battery vs 12.5 volts, Justin VanAbrahams [Profile/Gallery] , Wed, 28 May 2014 15:26:59
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I discovered the following that may help diagnose my no crank/no start problem - I can not determine what is below normal in the voltage reading but, the battery is less than 2 years old and was confirmed good in March. I'll have it checked again.

The voltage dropped as follows with the key on for accessories:
Radio - 12.18v
Fan, dome light - 11.92v
Fan, dome light, headlights - 11.74v

I also heard a clicking sound in the passenger footwell area as the headlight switch was turned from off to running lights to full headlights and back to off.

Also heard a low volume whining sound coming from the headlight switch or in that area. Started at low pitch increased to high pitch - then stopped.

After turning fan, radio, lights off I attempted to start the engine - heard two clicks - no start - seemed to come from the alternator or starter area.

I was reading I need to check B+ to ground and D+ to ground - are those designations for alternator terminals? If so, I did not see anything labeled. Where are they located?

I also read I can test the starter by replacing the yellow wire on the starter with a longer wire extending to the positive terminal on the battery. Apparently I can determine if the starter works by briefly touching the wire to the terminal. Will 12 gauge electrical wire work or, do I need something heavier? Thanks.



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