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post #1 of (permalink) Old 03-08-2000, 11:19 PM
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Starting Problem

I have a question about a problem I have been troubleshooting on my '85 Bronco. Here is the situation: Once in a while it doesn't want to turn over. The starter still turns but just barely. The positive cables get really hot after trying to turn it over. It will start right off with a jump start. I have replaced all cables positive and negative. New battery, and new alternator. I have not replaced the starter yet. What puzzles me is it will start right off with a jump start. I'm thinking maybe a bad cable or something but which one???? Anyway anyone have any sugestions? This is driving me crazy.

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post #2 of (permalink) Old 03-09-2000, 08:33 AM
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Re: Starting Problem

It sounds like your starter is going bad. The reason your cable is getting hot is because the starter is drawing more amperage trying to overcome its internal problem. This extra draw may be too much for your battery to handle and when it get the extra amperage form the jumped battery, it can now turn the starter easily. Hope this helps you out.


post #3 of (permalink) Old 03-09-2000, 12:04 PM
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Re: Starting Problem

I agree. It sounds like it's time for a new Starter. As long as your Cables and Battery are good. Do you have a good ground connection to the block?

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post #4 of (permalink) Old 03-10-2000, 05:20 PM
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Re: Starting Problem

I have had this same problem. Check the wires carefully. If there is any doubt, replace them ALL. They are the cheapest part. Corrosion can reduce the amperage necessary to operate the starter properly and it can be invisable until you cut the wire apart. My suggestion is to replace the wires first. You should also use a spray type sealer and the felt rings to prevent future corrosion.
The last time I had this problem, I used 1 gage welding wire. It is much heavier, and finer copper wires it has a heavy black shielding (unlike normal wires). I bought mine for about $1 per foot at a welding shop. You will also need to buy the copper terminals to bolt to your starter and relay. They need to be crimped on and sealed with silicon to prevent corrosion. It is much cheaper and works much better than the 6 gage wires common to most parts dealers.
Hope this helps,

post #5 of (permalink) Old 03-11-2000, 06:01 PM
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Re: Starting Problem

Thanks guys. It was the starter. I was putting off replacing it because one of the bolts was rounded off. After fighting with it for a couple hours I finally got it. Took it to Grand Auto and they put it on their machine. They couldn't even get it to turn over... They wher shocked that it actually started my vehicle most of the time. Now it pops right off every time, with the new starter. Once again thanks for the tips.....

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