Paul-
I'm still wandering the highways and byways wondering at what level my tank
is. But I ordered another sending unit, since I finally determined (I hope,
at least) that this has to be my problem. When I tested the old one with my
ohm meter, I got basically the same thing you get with yours hooked up to
the wiring. I understand that the gauge should respond to the level of the
float, and when I dropped mine to the bottom, the ohm meter read high.
Anywhere else with the float, and I got a 0 reading. If I'm correct, you
and I both may have bad sending units. Good luck!
Smokey
'50 3600 5-window
-----Original Message-----
From: Hudson29@aol.com <Hudson29@aol.com>
To: oletrucks@autox.team.net <oletrucks@autox.team.net>
Date: Saturday, June 26, 1999 5:31 PM
Subject: [oletrucks] How Do You Test a Gas Gauge Sending Unit?
> I just got the gas tank back from Mattson's Radiator after having the
>ReNew process done and decided to "bench" test the new sending unit
purchased
>during my brief flirtation with Golden State Pickup Parts.
> The simplest way to do this I figured, would be to go out to the
>truck, wire the sending unit up to the harness and power the system up
(fresh
>6v Optima) watching the gauge while moving the float by hand. The gauge
>should read "empty" with the float dangling and it should climb to "full"
>when the float is moved up. Wiring in the new sending unit makes no
>difference to the gauge reading.
> Putting theory to practice confirms that something is fouled up
>someplace. Even with the float fully down the needle rises to "full."
>Alternately removing the ground and restoring it get the needle to make a
>very slight wiggle, but alas, no movement. Touching the wires together does
>not change the gauge reading either. The gauge normally rests on "empty"
and
>goes to "full" with the key "on" even with the tank empty.
> If I could verify the sending unit is not at fault, I could go ahead
>and install it and get the tank in. I have an old Radio Shack volt/ohm
meter.
>Can I use this to verify the gauge? Am I condemned, like poor Smokey, to
>wander the highways and byways of America with no working gas gauge, spare
>gas cans always along for the ride?
>
>Paul O'Neil, Hudson29@aol.com
>1951 Chevrolet 3600 Pickup Project, See it at:
>The Poor Man's Advanced Design Tech Tips Page
>http://home.earthlink.net/~conntest47/
>Fullerton, California USA
>AEROMARK - Need Rubber Stamps or Signs? See:
>http://hometown.aol.com/hudson29/myhomepage/index.html
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
>
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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