Author Topic: Gas gauge resistors - updated URL to part #  (Read 812 times)

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Offline ManWorkingHere

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Gas gauge resistors - updated URL to part #
« on: November 29, 2017, 04:13:23 pm »
...... the adjustable is the way to go. Much easier than fooling around with fixed resistors, especially now that Radio Shack is gone.

not all of them have closed, I have one about a mile from the house, and it ain't closing yet...

for the bother of adding and subtracting resistors to attempt a happy spot, the variable one is worth the time...
simply install it, and when you hit reserve, adjust it to coincide with what you want on the gage...then hot melt glue the adjustment screw, and slather some silicone sealant on it to seal it up... done....the ones I installed never failed.
t was found that a 220 ohm value seems to work close, but is still not adjustable... to truely make it adjustable you need a variable resistor, or potentiometer...

Radio Shack has a 3/4 watt 220 ohm unit for about $2, which does allow you to trim the gauge correctly and to the point you want.

Its in the COG library, for those of you with current membership, and can be found here

Sorry, you had to be a member to read it, but it goes thru installing one...

It allows you to adjust the sensitivity of the gauge sender unit to align it when the level is right at reserve... and it has worked for 20 years or so...

Go to Radio Shack and get a multi turn 1000 ohm .75 watt variable resistor (or "trimmer"). Part # 271-342 $2.49

Updated link to Resistor

Catalog #: 2710342
Clearance Sale   $1.25
Regular price:    $4.00

Mine does not seem to be working correctly.  Do they wear out?  Not sure if I should just spend all that money and buy a new one.   ::)
after 2012 Rally
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Offline connie_rider

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Re: Gas gauge resistors - updated URL to part #
« Reply #1 on: November 29, 2017, 04:18:53 pm »
I think all the Radio Shacks in the Houston area, are now closed .
Are they still open in other locations?
I thought they went completely out of business?

Ride safe, Ted

PS: On my C-10's I removed the float and bent the float-rod a bit.
       Works perfectly, doesn't wear out, and didn't cost anything.
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Offline Harry Martin

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Re: Gas gauge resistors - updated URL to part #
« Reply #2 on: November 29, 2017, 06:14:08 pm »
Radio Shack is still in business, barely.

You can order the resistor on line. here -->

After you find the exact value, you could order the resistors and solder them in so you don't have to waterproof the variable resistor.
But, I like the idea of drowning the trip pot in hot glue as it would lock in the value.

Adjusting the float level as Ted suggests is a zero cost solution.

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Offline Mettler1

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Re: Gas gauge resistors - updated URL to part #
« Reply #3 on: November 30, 2017, 04:06:19 am »
  Got my resistor many yrs ago at
radio shack.

                 Radio Shack 220ohm 1/4 watt part # 271-1313. You get a pack of 5 resistors. Give the left overs to you friends.

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Offline The Wizard

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Re: Gas gauge resistors - updated URL to part #
« Reply #4 on: December 13, 2017, 07:45:52 am »
The Wizard still has the fuel gauge resistors"FOR FREE" just send request with address.    Jerry
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