Gas Gauge

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jf100
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Gas Gauge

Postby jf100 » Wed Apr 11, 2018 5:26 pm

I seem to have a problem like another user did only when I fill the gas tank up it goes way past the full line and when it runs out of gas it is on a quarter tank. I have replaced the float and the sending unit. Any ideas. Thanks you for any help.

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1972hiboy
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Re: Gas Gauge

Postby 1972hiboy » Wed Apr 11, 2018 6:55 pm

Adjusting the instrument panel regulator would get the gauge back in range. it will also change the swing of all the other gauges too though.
Rich
1973 f350 super c/s 460/c6 22k orig miles
1972 f350 srw crewcab special 390
1972 f250 ranger XLT Camper Special 390
1972 f250 4x4 custom 84k og miles 390
1971 f250 4x4 sport custom 56k og miles. 360
1970 f250 4x4 428 fe hp60 205 d60
Dont eat yellow snow.....

jf100
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Re: Gas Gauge

Postby jf100 » Thu Apr 12, 2018 7:19 pm

How do you adjust the regulator on the instrument gauges?

Thipdar
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Re: Gas Gauge

Postby Thipdar » Sun Apr 15, 2018 4:42 pm

jf100 wrote:I seem to have a problem like another user did only when I fill the gas tank up it goes way past the full line and when it runs out of gas it is on a quarter tank. I have replaced the float and the sending unit. Any ideas. Thanks you for any help.


It would be a big help if you told us what year your truck is, and whether you're running dual tanks, which tank you're talking about, etc.

jf100
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Re: Gas Gauge

Postby jf100 » Mon Apr 16, 2018 3:26 pm

Sorry about that 1969 F 100 custom cab Main tank behind the seat. I have 3 tanks 2 of them are disconnected ready to pull them out. Switch is set to main tank.

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1972hiboy
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Re: Gas Gauge

Postby 1972hiboy » Mon Apr 16, 2018 5:54 pm

jf100 wrote:How do you adjust the regulator on the instrument gauges?



If you pull the dash out and locate the instrument panel regulator on the back. there is a small screw or hex screw on the back side in between the terminals. You turn in or out to get the gauge in the proper range. I forget what screwing in vs out does. I believe screwing clockwise increases voltage and counter clockwise decreases voltage. I will try to find a pic of what if your not familiar with that they are or what they look like.
Rich
1973 f350 super c/s 460/c6 22k orig miles
1972 f350 srw crewcab special 390
1972 f250 ranger XLT Camper Special 390
1972 f250 4x4 custom 84k og miles 390
1971 f250 4x4 sport custom 56k og miles. 360
1970 f250 4x4 428 fe hp60 205 d60
Dont eat yellow snow.....


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