1989 Ford F-150 gas gauge. Not working

Tiny
LDUNCAN8521
  • MEMBER
  • 1989 FORD F-150
  • 6 CYL
  • 2WD
  • MANUAL
  • 200,000 MILES
I have a 89 f150 with 2 tanks ever sense I've had it the fuel gauge want work on front or back tank when you turn the switch on the fuel gauge jumps to full I know that's not right what could this be? I have checked all the fuses nothing seems wrong there
Saturday, February 15th, 2014 AT 2:10 PM

3 Replies

Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
Hello,

Have you check the Wire Connections at the tanks? They have a tendency to work loose and corrode, which in turn would cause your problem. Also with the age of the truck and if the in tank sending units have never been replaced they could be bad.
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Saturday, February 15th, 2014 AT 8:02 PM
Tiny
LDUNCAN8521
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Ok I will check that. Thank you!
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Sunday, February 16th, 2014 AT 3:01 PM
Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
Ok, let me know.
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Monday, February 17th, 2014 AT 8:24 AM

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