Hey guys. I need some insight on some issues I having installing my fuel gauge in my 95 Ford f150 xl 2 wheel drive 4.9 inline 6. I just installed an aftermarket fuel gauge in the truck and ran a wire from the front fuel tank to the gauge. My problem is when I switch it to the front tank the Gaug doesn't move but when I switch it to the rear tank it worksm wicth Dosent make any sense. Idk if it's backwards at the switch or were the problem lies of you guys please help me out that would be great even a diagram of the sending unit wires and switch would help. Thank again. Cheers