Thread subject: Whaler Central - Boston Whaler Boat Information and Photos :: What is the purpose of a dual battery switch?

Posted by tmann45 on 05/21/15 - 7:43 AM
#6
Most of today's battery switches are make before break and allow for switching between batteries with the engine running.

If your switch is not a make before break, you can do damage to your charging system, it would be the same as turning the switch to off with the engine running.