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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Rear tank help

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Old Feb 16, 2015 | 07:23 PM
  #31  
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'89F2urd
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correct. I have a permanent wire grounded to my firewall that I use for the tests. a ground from the battery is best, im just too lazy to change it. key must be on.
 
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Old Feb 16, 2015 | 07:45 PM
  #32  
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Yes, just ground it.

Slow, I was on the other site.
 
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Old Feb 16, 2015 | 09:47 PM
  #33  
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From: Easton,Ks
The problem is you have the pump running backwards.
The orange wire is a ground wire and not power to the pump as you have it.
What you are calling a black wire with a white stripe as a ground wire is a brown wire with a white stripe and that is the power to the pump.
 
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Old Feb 17, 2015 | 07:31 AM
  #34  
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Originally Posted by subford
The problem is you have the pump running backwards.
The orange wire is a ground wire and not power to the pump as you have it.
What you are calling a black wire with a white stripe as a ground wire is a brown wire with a white stripe and that is the power to the pump.
There you have it, fresh eyes see things. Thanks Bill.
 
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Old Feb 18, 2015 | 08:31 AM
  #35  
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Running on two tanks like a big dog now! Thanks so much for solution.
 
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