No crank, no start and getting any electrical power inside or out

AKRILLO

MEMBER
1999 FORD MUSTANG
4.6L
V8
2WD
AUTOMATIC
240,000 MILES

The vehicle initially exhibited all these symptoms, (not starting, turning over, or getting any electrical power inside or out.). So, we jumped it and it ran fine after. We then turned it off and tried starting it again and it worked. The next day it showed the same symptoms previously listed. I’ve checked the battery and it’s still good, and alternator does its job correctly. What could possibly be causing this?

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
48,420 POSTS

This sounds like a bad connection at the battery, I would remove the cables and clean the terminals. this guide can help you fix the problem:

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Let us know what happens and please upload pictures or videos of the problem.

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Wednesday, June 8th, 2022 AT 12:33 PM

AKRILLO

MEMBER
2 POSTS

Hi, thanks for a quick response! I can’t presently take a picture but will tonight. I used a wire brush terminal cleaner to get any buildup off the battery and cables, but still no lights inside or out or dash, and no sound when turning key.

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Wednesday, June 8th, 2022 AT 12:43 PM

KEN L

MASTER CERTIFIED MECHANIC
48,420 POSTS

Let's see if you have power at the main power inputs first. this guide can show you how with the locations in the diagrams below:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check the fuses below for power and let me know. Check out the diagrams (below). Please let us know what you find.

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