ok well the stock sending unit wire broke off the little clip you put on the sending unit so i spliced the stock wire into the auto meter sending unit wire so the auto meter sending unit would send a signal to both the gauge and the dummy light.... Well the gauge readings were all wrong and the dummy light got real bright when i revved the engine. so i disconnected the stock wire. and i have just the autometer sending unit wire going straight to the gauge. now im getting no response from the gauge i checked the ground and the hot source so.......