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Old 07-26-2006, 11:45 PM
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tinysts

Hello I have a lot of gas gages and a lot of sending unites for then the only thing I am having a problem with is when I hook them up they stay on full. My question is is there a way to reduce the ohms in it and if so wich one do you reduce, or what can be don to make them work.

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Old 07-27-2006, 04:30 AM
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Doc here,

Are these Gauges and sending units loose .. or mounted in something?

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Old 07-27-2006, 04:37 AM
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Your gas tank sender is probably not grounded........
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Old 07-27-2006, 06:42 AM
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tinysts

These gauges are not mounted to anything yet, just testing them. Same with the gauges.
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Old 07-27-2006, 05:47 PM
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Doc here,

Get a BENCH POWER supply, (not a charger) , OR a 12 Volt Coleman Lantern Battery, (DO NOT USE THE CAR BATTERY..If you get a short you can injure yourself or start fires or explode a battery)



Locate the Power , Ground, and Sender sides of the gauge..Most are marked "S" , "G" and "I".... I is power to your source..

"G" Is ground.

"S" is sender..

Run a ground wire from your supply or battery, to your SENDER BODY, and the sender signal wire back to the "S" terminal..

Power your system up, (advise a 3 amp fuse) , and note reading on the gauge, It should be "E"...Than raise the float slowly and watch the gauge...1/4 travel should be 1/4 index increment..1/2 travel should be about 1/2 index increment..and so on until "F"..

If it full scales or does not respond with little movement, try one of the other's...If it seems to track OK, with , say an error in the middle or 1/2 tank it may be OK, with a linearity problem..not a whole lot you can do about that..except try and bend the float to make it a bit closer OR just make a note of the non~linerity..and keep it with the system when you install it.

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Last edited by docvette; 07-27-2006 at 06:14 PM. Reason: I before E...Except after a 12 pack...
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