Thread: Interesting discovery (Yikes!!!)

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The roadster pickup has recovered from its massive gasoline bath, so after work today I went out for a little cruise around town. Everything is working good, but no gas gauge!! Now, I have to tell you, the gas gauge has never worked all that well, since about 3 months after I got the car on the road, 4 years ago. Its an Autometer sending unit and gauge, but with a round tank, the readings are eratic at best. However, even eratic is better than nothing. I did a little investigation and discovered that the only thing grounding the tank was the copper gas line! (aluminum gas tank anchored to oak truck bed.) When I cut the gas line to put the solenoid shut-off valve in it, I reconnected it to the solenoid valve with a neoprene gas line. This is not a good thing!!! I connected a booster cable to one of the tank brackets and to a good ground, and the gas gauge came back to life. Tomorrow I will wire up a proper #10 ga. ground wire to the tank.