Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 111 Times in 102 Posts
Rep Power: 10
Re: Beta Marine BD722 Tach kicks in after I enable extractor fan!
The tach needs a 12 volt feed that is ignition activated. My guess is that your tach's wire is connected to the extractor fan instead of the ignition switch.
Here's your picture.
Living aboard in Victoria Harbour