I have the following boat:
'96 Larson Flyer 166
'96 Johnson 112 V4 SPL Outboard
Faria 4" Dress White Series Tach/System Check, 7,000 RPM
When I start the boat the tach works while I am idling but when I throttle up the needle drops to zero and stops working.
Over the winter I sent the old tach...