BATTERY CABLES HOOKED UP BACKWARDS NOW TURNS OVER BUT WON'T START!

  • Tiny
  • cltempleman72
  • 1994 Geo Prizm
  • 127,000 miles

Daughter hook up jumper cables backwards on her car and lost all electrical. Changed the alt 100 amp fuse under hood which was blown. Got power back, now turns over but won't start. Seems like it's not getting fuel.

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Saturday, September 24th, 2011 AT 10:20 PM

3 Replies

  • Tiny
  • mhpautos
  • Expert
  • 30,561 posts

You will have to check for more blown fuses and fusible links, the problem is shorting out the electrical system like this can do a fair bit of damage, hopefully the ECU has not been fried, look at the remainder of the fuses and links first, check fuel pressure to see if pump is actually engaging as well, start here.

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Sunday, September 25th, 2011 AT 12:32 AM
  • Tiny
  • cltempleman72
  • Member

Thank you mhpautos upon reviewing the rest of the fuses under the hood the efi, heater 15 amp fuse was blown and car started after I replaced it, You saved me a lot of money on replacing the fuel pump and computer!

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Thursday, September 29th, 2011 AT 9:28 AM
  • Tiny
  • mhpautos
  • Expert
  • 30,561 posts

Your very welcome, thank you for using 2carpros.

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Thursday, September 29th, 2011 AT 10:07 AM

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