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Another dual tank/guage problem

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Starliner

Re: Another dual tank/guage problem

Well, gremlins are back.
This morning neither gas guage worked, later the front tank was registering.
I guess it's time to roll up my sleeves and break out the test equipment.

JOE
1984 F250 HD 2wd auto w/air,
351W, 2bbl, Dana 60 3.73, no EEC

Gary Lewis

Re: Another dual tank/guage problem

Administrator

Bummer! I'm not big on any of the AMC cars, but Gremlins were the worst.

Seriously though, my experience has been that the sending units tend to be intermittent and quit sending at spots in their range. So my testing would start by grounding the sending unit wire near the tank and checking to see that the gauge goes to full scale. If so, that proves the wiring to that point and all you have left is the connection to the sending unit, the sending unit itself, and its ground.

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

Starliner

Re: Another dual tank/guage problem

Ok, knowing the intermittent thing is encouraging.
It's all junk replacement parts.

What good is a lifetime warranty on a part which never works.

JOE
1984 F250 HD 2wd auto w/air,
351W, 2bbl, Dana 60 3.73, no EEC

Gary Lewis

Re: Another dual tank/guage problem

Administrator

I saw a sketch once where a guy took a bad part in that had a lifetime warranty. They shot him. 😎

Gary, AKA "Gary fellow": Profile

FuzzFace2

Re: Another dual tank/guage problem

In reply to this post by Gary Lewis

Gary Lewis wrote

Bummer! I'm not big on any of the AMC cars, but Gremlins were the worst.

Pintos where worst than Gremlins

FYI Gremlins were the only compact car you could buy from the factory with a v8 motor and was a 5.0 (304) at that!

That gauge, if it stopped working for both tanks it would have to be something common like the switch or the ground as I think the same grounding point is used for both.
If just 1 tank then I would look at that tanks plug & sender.
Dave ----

Dave G.
81 F100 flare side 300 six / AA OD / NP435 / 2.75 gear
http://cars.grantskingdom1.com/index.php/1980-Ford-F100?page=1
81 F100 style side 300 six/SROD parts truck -RIP
http://cars.grantskingdom1.com/index.php/1981-Ford-F100

Gary Lewis

Re: Another dual tank/guage problem

Administrator

FuzzFace2 wrote

FYI Gremlins were the only compact car you could buy from the factory with a v8 motor and was a 5.0 (304) at that!

I thought that would get your attention, Dave.

Gary, AKA "Gary fellow": Profile