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General Site Info => General Discussion => Topic started by: benzesrule on May 10, 2011, 04:33:51 pm

Title: Gas Gauge past full
Post by: benzesrule on May 10, 2011, 04:33:51 pm

Hi, I have a 84 K10 with dual tanks and the gas gauge is past full at the 3 oclock position( right tank) and on the full mark on the left tank. I found a broken ground wire behind the gauge cluster and fixed it.  I even ran a new wire replacing the pink wire from the selector valve to the cluster and the gauge stayed the same. I replaced the fuel gauge with one that I had laying around, stayed the same. I noticed someone has replaced the left tank and it is a 20 gallon while the right tank is a 16 gallon. I use the right tank most of the time. This truck had 16 gallon tanks from the factory. The selector valve is operable. Both tanks are grounded. Any suggestions?

Title: Re: Gas Gauge past full
Post by: zieg85 on May 10, 2011, 04:38:00 pm

A dirty switch will cause that problem, been there.... Just fixed my switch on my 85 last night, did that same thing..

Title: Re: Gas Gauge past full
Post by: 87454westernhauler on May 10, 2011, 06:08:05 pm

Quote from: zieg85 on May 10, 2011, 04:38:00 pm

A dirty switch will cause that problem, been there.... Just fixed my switch on my 85 last night, did that same thing..

My 87 had a very similar problem with the switch.

Title: Re: Gas Gauge past full
Post by: benzesrule on May 10, 2011, 08:46:45 pm

It has a brand new switch for the fuel selector.

Title: Re: Gas Gauge past full
Post by: 1979C20 on May 11, 2011, 11:03:41 am

Kind of related, how in gods name do you remove the switch from the dash?

Title: Re: Gas Gauge past full
Post by: DnStClr on May 11, 2011, 05:59:00 pm

Twist the switch gently to the left and right. It should come loose. Then wiggle it up and down as you remove it. Don't get too gorilla- like with it. Some finesse is needed..