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Backward battery hookup

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Old May 10, 2005 | 07:11 PM
  #1  
John51's Avatar
John51
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From: Central Pennsylvania
Backward battery hookup

My sister put a battery in the old farm truck yesterday.....a 1976 F150. Unfortuneately she put it backward. Called me and told me there were a lot of sparks when she hooked it up, so she disconnected it. I reversed it this morning and nothing works now but the horn. What got fried? I see a solenoid(?) on the inner fender. Could that have been ruined? Where do I start? Thanks for any help.
 
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Old May 10, 2005 | 08:44 PM
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Mil1ion
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Go to the starter relay and start un-wrapping tape on the wiring harness that heads across the firewall.About 2 ft along the harness thickens.

She has probably melted the Fusible Link.
 

Last edited by Mil1ion; May 10, 2005 at 10:12 PM. Reason: edited by re-wording
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Old May 10, 2005 | 09:39 PM
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whalerron
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From: Baltimore
I think that will also fry the alternator.
 
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Old May 10, 2005 | 10:33 PM
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Matts72
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From: Montana Territory
Start with the solenoid on the fender well, its only like $7.
 
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Old Feb 1, 2006 | 06:50 PM
  #5  
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ken selvy
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Did the same thing and fried starter relay , $12.00 fix .kflord77 .
 
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