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Intermittant No Start...

Old 01-19-2010, 08:13 AM
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Intermittant No Start...

Seems to only happen when heat soaked, but it's NOT overheated by any means. Sometimes, I turn the key, hear the relay click, dash lights dim just a bit (like normal), but it won't turn over. Starter is new as of 30k miles ago. I do notice quite a bit of drawdown on the volt meter, bring the needle down the the exact half mark. I haven't tested to see how much voltage is actually getting to the starter yet, but it's very strange to me. Turn the key a few times, when it does engage the starter, it fires off great. No sluggish turn over. Practically starts with a bump of the starter.

Ideas?

My theories would be wiring, because of the drawdown, possibly the 20+year old ignition switch, and lastly the starter.

Any experiences would be appreciated.
Old 01-19-2010, 08:48 AM
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I had to install a 4 pole relay to fix my problem. something about the ignition switch not shooting enough juice to engage the starter. pretty simple fix, if that is your problem.
Old 01-19-2010, 08:50 AM
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Originally Posted by qdude79
Seems to only happen when heat soaked, but it's NOT overheated by any means. Sometimes, I turn the key, hear the relay click, dash lights dim just a bit (like normal), but it won't turn over. Starter is new as of 30k miles ago. I do notice quite a bit of drawdown on the volt meter, bring the needle down the the exact half mark. I haven't tested to see how much voltage is actually getting to the starter yet, but it's very strange to me. Turn the key a few times, when it does engage the starter, it fires off great. No sluggish turn over. Practically starts with a bump of the starter.

Ideas?

My theories would be wiring, because of the drawdown, possibly the 20+year old ignition switch, and lastly the starter.

Any experiences would be appreciated.
See below for some testing tips:
- http://www.4crawler.com/4x4/CheapTri...shtml#EasyTest

And here are some fixes if you find low voltage at the starter solenoid:
- http://www.4crawler.com/4x4/CheapTri...l#OtherOptions
Old 01-19-2010, 09:39 AM
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Thanks, fellas. Sounds like a cheap enough try. I'll do this.
Old 01-19-2010, 10:17 AM
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An aside: I have a 30 amp relay laying around the garage. Any reason not to fab my own "Hot Shot" kit?
Old 01-19-2010, 10:18 AM
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Originally Posted by qdude79
An aside: I have a 30 amp relay laying around the garage. Any reason not to fab my own "Hot Shot" kit?
Sure, give it a shot.
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