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Battery put in backwards

Tiny
GLICKT13
  • MEMBER
  • 1975 FORD F-600
  • V8
  • RWD
  • MANUAL
  • 27,000 MILES
I am currently working on the truck listed above. I got in a hurry and hooked the battery up backwards because I was not paying attention. Now, there is no power to the truck at all, but the battery tests fine and still works on other devices.
Wednesday, February 1st, 2017 AT 12:29 PM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have checked all the fuses yet? I am sure you blew some fuses from doing that.
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Wednesday, February 1st, 2017 AT 12:46 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,579 POSTS
Check all the fuses. The fusible links and the alternator for damage.
The good thing is that it is a 1975 so you should not have much for computer hardware other than spark control.
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Thursday, February 2nd, 2017 AT 8:01 AM
Tiny
GLICKT13
  • MEMBER
  • 2 POSTS
I checked all the fuses I could find and they were all still good. I replaced a couple just in case, but there still is not any power at all except in the battery cables. I replaced the starter solenoid/relay and still nothing. It appears all the fuses are in the box and none of them in any of the wire links.
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Thursday, February 2nd, 2017 AT 11:24 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,579 POSTS
Take a test light. Connect it to ground and start probing at the battery and then to the end of each wire from the battery to the fuse box.
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Thursday, February 2nd, 2017 AT 12:02 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Sounds like a good plan something is burned up or blown.
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Thursday, February 2nd, 2017 AT 1:04 PM

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