Suddenly the vehicle will not start?

1986 JEEP CJ7
120,000 MILES • 5.9L • V8 • 4WD • MANUAL
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CJ71986
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  • 1 POST
Ran vehicle to the store when I came out my vehicle wouldn't start. Battery had a good volt reading on the gauge bit when I went to position 4 to turn over the motor, my battery gauge went right to 0v. I've replaced the starter, solenoid and have good cables
on all the grounds and positive as well. I do hear the solenoid engaging. I've tried starting with starter disconnected Ted and battery gauge drops but it doesn't stay drained. When I have the alternator and starter hooked up it goes drained and I have to disconnect the battery positive and reconnect it to try starting it again. Would love some advice if you can think of anything. thanks
Jul 29, 2022 at 8:16 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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This sounds like the battery is no good. To be sure let's do a load test.

Here is a guide that will help confirm the issue:

https://www.2carpros.com/articles/car-battery-load-test

And if bad this guide can walk you through the replacement:

https://www.2carpros.com/articles/how-to-replace-a-car-battery

Please run down this guide and report back.
Jul 30, 2022 at 3:53 PM
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