Aftermarket gas gauge question.

Does anyone know if the factory sender in a 97+ jeep can be made to work with an aftermarket gauge?

I want to put a factory tank under my M416 trailer and it would be nice to know how full it is.

If You use a gauge that has the same ohm range. For example, Auto Meter sells a gauge that is 240 Ohms empty / 33 Ohms full. I think the stock sender is 270 empty, and 20 full. A variable resistor soldered between the connections can adjust it to match up the empty reading. The full will be slightly off, but empty is more important.

Re: Re: Aftermarket gas gauge question.

jamiemac said:

A variable resistor soldered between the connections can adjust it to match up the empty reading.

Click to expand...

Remember resistance is addition, so 13 ohms is needed. You can solder the needed resistance in series, 1/4 watt radio shack cheapos should work.

Radio Shack sells a 1000 watt variable resistor that has a screw adjustment. I used one on My motorcycle to get the fuel gauge reading right. Just turn the screw till it's good.