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Old 03-23-2014, 06:06 PM   #1
1970 C10 MJW
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Need help!

I have an 03 tahoe i lost my #3 cam bearing. So i rebuilt the motor. And got everything back together. And it wont crank... new starter cuz the old one had a cracked housing. I get 12.5v to the starter lug but only 0.5 v to the solenoid lug. I know i have everything hooked up properly. But i had the battery unplugged for a month.... would it be the security? Idk help plz...
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Old 03-23-2014, 06:37 PM   #2
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Re: Need help!

Any clicks? Does the motor roll over manually?
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Old 03-23-2014, 07:13 PM   #3
1970 C10 MJW
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Re: Need help!

yes engine turns fine, the starter never tries.... as i said it only gets .5v to the solenoid lug with key in start
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Old 03-23-2014, 07:55 PM   #4
truckdude239
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Re: Need help!

Check your grounds and check some more starter relay might be out securtiy would stiop it from turning ovrr just not start
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Old 03-30-2014, 05:44 PM   #5
1970 C10 MJW
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Re: Need help!

found the problem..... im extremely embarrassed it was the main ecm ground..... lol
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Old 03-31-2014, 03:19 PM   #6
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Re: Need help!

HA! AWESOME! That sounds like something I would do! Dont feel too bad it happens to the best of them, at least you figured it out!
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