Quote Originally Posted by Kano View Post
Thanks EvilTwin. That's very helpful. I'll go and look at an updated system as suggested. I've taken the battery out and have it in a safe place till I ditch it.
No worries.

If you want to drive around with no 2nd battery for a while I would disconnect the lead at that solenoid that runs to the 2nd Battery.
You could just insulate the 2nd Battery positive terminal but if you disconnect at the solenoid then it is a better option