Replaced negative battery terminal with new and now no start

1995 FORD MUSTANG
100,000 MILES • 5.0L • V8 • 2WD • AUTOMATIC
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ALTERREL0123
  • MEMBER
  • 6 POSTS
Hi,

I just replaced the negative battery terminal on this car and now i get in turn the key to on and everything appears normal, but when i try to turn it to start i hear a quick click and then all power is gone like the battery instantly drains or shuts off the power to the whole car. the car ran fine before i replaced the terminal. How do i fix this to make car start up? on the negative side of battery it has the normal thick wire, but then there is also a smaller wire from the terminal to what appears to be a possible body ground. Please help.
Sep 26, 2020 at 4:59 AM
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KASEKENNY
  • ✓Experienced Mechanic
  • 18,907 POSTS
Couple things. First did you compare the old cable to the new one and make sure they are the same? I attached the diagram of the battery ground so we need to make sure each is connected. This sounds like we have a relay issue but if we can verify the connections at the G110 and G100 and then go from there. Thanks
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Sep 26, 2020 at 9:26 AM
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ALTERREL0123
  • MEMBER
  • 6 POSTS
Thank you... This helped and also the positive terminal was gunked up that it was causing the issue.
Sep 27, 2020 at 9:46 AM
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