How do you check if an ammeter is working?
How do you check if an ammeter is working? Test the ammeter with the connections + from battery to + on meter and - battery to - meter and note the ammeter needle deflection. Reverse the connections on either the battery or the ammeter and you should have the same deflection the opposite way. Of course, at no current flow, the needle should read zero. Is the AMP meter positive ground or negative ground? If so, since all Chevrolets are negative ground and not positive ground, reverse the wires on the back of the amp meter. The amp meter should...