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#87073 09/25/2004 12:26 AM | Joined: Apr 2004 Posts: 84 Member | | Member Joined: Apr 2004 Posts: 84 | What is the most likely problem with the gas gauge? After being stuck on empty, I VOM tested the sender unit which read about 18 ohms and checked the guage connections and it suddenly read 1/2 tank. Sounded right based on the resistance, plus what I thought was in the tank. But the guage did not go to empty when the key was turned off, but then again that's a GM feature. Here's the deal, I ran out of gas (thankfully 1 blk from home). Right before that happened, the guage went to 3/4, truck died then guage went back to 1/2 tank. What's happening here? | | |
#87074 09/27/2004 9:03 PM | Joined: Jun 2004 Posts: 336 Member | | Member Joined: Jun 2004 Posts: 336 | If your gas gauge doesn't drop to empty with the ignition off, maybe it doesn't run through the ignition switch. Check to see if there is +12V at the guage with the ignition off. It may be easier to just disconnect the battery - does the guage drop to zero?
Gord
1954 1/2 ton 235 4 speed
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#87075 09/28/2004 1:26 PM | Joined: May 2004 Posts: 105 'Bolter | | 'Bolter Joined: May 2004 Posts: 105 | I just recently replaced my sending unit and had difficulty getting the gauge to work. I can't remember if I had the same problem but I did get it resolved for the most part by grounding the base plate of the sending unit to the chassis. Actually, I ran a wire from one of the screws that fastens the sending unit. Then ran it to the chassis. Gauge doesn't read quite right but I think the gauge is the rest of the problem. | | |
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