Recent content by jstrahn

It is a 55 amp alternator I believe. Is that what would determine the relay size needed? As for where they are wired in, they would both be in the engine bay in the stern of the boat. I'm not sure if that's what you are asking or not but they'll be right next to each other. Edit: Oh are you...

Hi guys, I'm installing a second battery in my boat to run the stereo and want to add a relay/isolator between the two batteries so that the amp only draws from the secondary battery when the engine is not running. That said, I'm not sure what size isolator I need. Here is the setup: Primary...