I am installing soem autometer fuel pressure and boost gauges and i am having a rpoblem. I have power from the ignition, but i think my grounds are bad...could the wire thickness be causeing my problems? I have three wires running to one bolt, and then another wire coming off that and going to my ground placement. I checked and i have full power so it much be my ground
aslo, how would i check my grounds.???
aslo, how would i check my grounds.???