Car won’t start

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Old May 27th, 2023, 10:55 AM
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Car won’t start

Drove it Thursday every was fine. Go to turn the key over and nothing. No clicking or any sound. The battery is less than a year old. What should I check for first? Thanks.
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Old May 27th, 2023, 11:06 AM
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Originally Posted by James71Cutlass
What should I check for first?
Validate current voltage in battery - should be >12V+
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Old May 27th, 2023, 11:25 AM
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In the diagram (below) note the location of two RED wires (identified by blue arrows):
(1) Ensure the large (+) thick wire from the battery is securely attached to the battery (+) terminal; and, ensure both the battery cable and the battery (+) terminal post are clean - wire brush, sand paper or whatever - ensure they make solid contact;
(2) Ensure the second smaller RED wire is securely attached to the horn relay distribution block (referred to as the POWER TAKE OFF in the diagram); as per (1) above, ensure the terminal is clean. You should be able to measure 12V+ at the distribution block.



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Old May 27th, 2023, 11:26 AM
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Battery condition?
Battery cable terminals clean and tight?
Just out of curiosity, does this car have a floor shifter? Has the backdrive linkage from the trans to the steering column been removed? Is the collar on the steering column that's connected to the neutral safety switch turned fully counterclockwise?
Did you verify battery voltage on the purple wires to the NSS when the key is turned to START?
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Old May 27th, 2023, 11:40 AM
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Validate you have 12V+ at the distribution block.
Do ANY of the electrical devices in the vehicle operate e.g. headlights, dash panel lights, courtesy lights, horn, yadda yadda?




Last edited by Vintage Chief; May 27th, 2023 at 11:56 AM.
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Old May 27th, 2023, 11:45 AM
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Ooops...hold the horses...I kind of bungled my diagram...a little too slap happy w/ Power Point.

EDIT: OK, nothing a fast & furious frontal lobotomy couldn't cure. It should be correct, now. I updated the original diagram (post 5)

Last edited by Vintage Chief; May 27th, 2023 at 11:58 AM.
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Old May 27th, 2023, 04:55 PM
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Originally Posted by Vintage Chief
In the diagram (below) note the location of two RED wires (identified by blue arrows):
(1) Ensure the large (+) thick wire from the battery is securely attached to the battery (+) terminal; and, ensure both the battery cable and the battery (+) terminal post are clean - wire brush, sand paper or whatever - ensure they make solid contact;
(2) Ensure the second smaller RED wire is securely attached to the horn relay distribution block (referred to as the POWER TAKE OFF in the diagram); as per (1) above, ensure the terminal is clean. You should be able to measure 12V+ at the distribution block.

Thanks

It was number 2. The smaller red wire snapped off. Once I hooked it back up everything was fine.

Thanks for the help.
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Old May 27th, 2023, 04:59 PM
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Glad you found the issue.
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