2001 Winnebego adventurer 32'. My engine battery was to low to start my engine yesterday, yes I know I shouldn't let it get that low but it happened, so I tried my battery boost sw. nothing. House batteries are fully charged. I used a test light and have voltage on either side of the solenoid. I don't think I should have voltage on both sides if the boost button is not being pushed. I disconnected the small energizer wire on the solenoid and there is still voltage on both sides of the solenoid as if its still energized. If that's the case, then I should have been able to start the engine. I'm confused.