Replaced negative battery terminal with new and now no start

Tiny
ALTERREL0123
  • MEMBER
  • 1995 FORD MUSTANG
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
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.
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Saturday, September 26th, 2020 AT 11:59 AM

2 Replies

Tiny
KASEKENNY1
  • EXPERT
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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Saturday, September 26th, 2020 AT 4:26 PM
Tiny
ALTERREL0123
  • MEMBER
Thank you. This helped and also the positive terminal was gunked up that it was causing the issue.
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Sunday, September 27th, 2020 AT 4:46 PM

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