Hi there, recently I just got myself an old Pivot tachometer, and I installed in by connecting my RPM signal wire. The meter has accurate idle reading, but when I rev up my engine or running my car, the tachometer no longer accurate,
Hi there, recently I just got myself an old Pivot tachometer, and I installed in by connecting my RPM signal wire. The meter has accurate idle reading, but when I rev up my engine or running my car, the tachometer no longer accurate,