Q. Where do I mount unit?
A. As close to the start battery as practical.
Q. Can I common the negatives on the start battery and trolling motor batteries?
A. Not under any circumstances.
Q. If I am unable to connect to an ignition source, what are my options?.
A. You can use a on off toggle switch or similar between start battery and TBVSR.
Q. Why are the 3 lights on front of unit illuminated?
A. Red ignition wire is not connected. Please check connection.