My fuel gauge reads empty all the time. While troubleshooting the unit I took the wire from the gauge in the trunk and grounded it. The needle on the gauge went way past e. I used a meeter to check the resistance of the sender and got infinite resistence. I have read several posts, but none with my specific problems. Can anyone help?

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68RS-350/300 +700R4

Welcome to the club.....

By your symptoms, I'd say the sending unit needs to be replaced.

One should get 0 to 90 ohms of resistance while going from full to empty, not infinite as you have indicated.

Drop tank and remove and troubleshoot to be sure. Radio Shack and get a 100-ohm resistor and place between wire to sender and ground, should show full tank.

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Everett 68/350/PG/11.90/115mph

Check and make sure your gound wire hasn't rusted of at sending unit first

I've checked the gauge by taking a 100 ohm resistor and connecting one lead to the gauge wire and the other to ground. The needle on the gauge only moves a hair towards the full mark. The connections seem to be OK on the sender, but I still get about 2 megaohms of resistance from the sender wire. I even tried running another ground wire from the tank, but no change. Could both the gauge and the sending unit be bad?

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68RS-350/300 +700R4

As a suggestion, go to the trunk, disconnect the harness to the fuel sender, measure into the harness to the tank and read. Hopefully, s/b no more than 90 ohms to ground, if tank is empty. If not, check ground wire.

While harness is apart, check continuity from the trunk connector to the gauge, s/b a straight run,

Good luck...

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Everett 68/350/PG/11.90/115mph

I did check the continuity of the wire from the gauge. I disconnected the wire from the gauge cluster and then the sender, I have good continuity from one to the other. I also measured the resistance of the sender,(unplugged the wire from the sender & measured with a DMM from sender to ground) and read 2 megaohms. That's whats so puzzling about the hole thing. It seems as both are bad (sender & gauge). It just doesn't usually happen like that.