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Hello All,

I'm trying to troubleshoot my gas gauge and had a few questions. First of all, this is a 12V truck with an original 49 suburban tank with a jim carter 0-30ohm new sender in it and a new 12V gas gauge. The truck (I believe is wired correctly). When the truck is in the off position, the gas gauge goes to almost full (is this correct?) When I put power to the gauge, the gauge reads just below half and doesn't move from there. It doesn't matter if the truck is full of gas or empty. It would seem that the sender is bad? I know it's not stuck because I can hear it move up and down if I rock the truck and I know the needle isn't stuck because I can see it. What would cause this?

Thanks