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Post whore
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Pissed off the admins and earned a time out.
put an ohm meter on the purple wire and move the level up and down, see if it changes voltage, it if doesn't then you got the wrong wire. If it does, ground the gauge to chassis direct not harness ground, see what happens.
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Post whore
I put the meter on the purple wire and got nothing. For the hell of it I did it to the other wires as well and nothing. The only time I get the right reading is when one lead is on the purple wire and the other lead is on the black w/gray stripe wire as in the pics. 40 ohms empty and 250 ohms full. This is really starting to confuse me. Any ideas what the problem could be?
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Pissed off the admins and earned a time out.
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RIP Dad 4-29-08
That's how it works, you cant get a resistance measurement of just one wire, unless you are checking that wire from point a to point b (example, from tank to dash) The two purple wire coming off the sending unit change in to purple and the black/gray you mentioned. You need to use both wires to get that proper 40-250 Ohms reading.
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