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Suggestions needed: car wont start..........problem solved

 
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bArNsY
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PostPosted: Fri Jul 04, 2008 11:55 am    Post subject: Suggestions needed: car wont start..........problem solved Reply with quote

Ok so over the last few days I have been having issues with the electrical side of things with my car
When driving along I realise that the voltage has dropped to 12v and then goes back to 13.8/14.2 randomly, then it did it again, this time the alternator light came on, then went off.
I went to start my car the other day and nothing, battery was dead (so i thought) so got new battery clamps as the old ones looked like they had it.
Made sure all the terminals were clean and wala the car started

I drove my car yesterday, had the same issues as mentioned above with battery voltage, I parked my car at home for 5 mins, went to start my car then nothing
Tried to jump start it, it was turning over but there was no spark.

So far I figured out this much
    battery is 5 yrs old currently runs at 12.5v and down to 2v when the car tries to crank, so battery is most likely f**k
    because there was no spark coming from the leads should be ignition related


I got this from the ford workshop manual:


Can anyone add to this or any other possible reason why the car wont start?

Cheers
Barnsy


Last edited by bArNsY on Thu Jul 10, 2008 9:50 am, edited 1 time in total
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naughtyfalcon
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PostPosted: Fri Jul 04, 2008 5:44 pm    Post subject: Reply with quote

new battery will fix it,the system uses battery to provide the power for the spark,,can't be bothered explaining it.
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Krytox
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PostPosted: Fri Jul 04, 2008 6:24 pm    Post subject: Reply with quote

In other words, the starter is robbing all the grunt, not leaving enough for the ignition.

Try a good battery first.
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naughtyfalcon
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PostPosted: Fri Jul 04, 2008 6:59 pm    Post subject: Reply with quote

^^yeah thats along the lines i was thinking^^
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FairmontXR6
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PostPosted: Fri Jul 04, 2008 7:06 pm    Post subject: Re: Suggestions needed: car wont start Reply with quote

bArNsY wrote:

So far I figured out this much
    battery is 5 yrs old currently runs at 12.5v and down to 2v when the car tries to crank, so battery is most likely f**k
    because there was no spark coming from the leads should be ignition related


Cheers
Barnsy


5yrs out a battery is great, I only seem to get about 2yrs.
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bArNsY
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PostPosted: Thu Jul 10, 2008 9:50 am    Post subject: Reply with quote

Got the car fixed replaced coil and dizzy, battery is still good though, 5yo and going strong!
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