That's pretty hard to do without knowing your switching. That is do you have a selector that has 1 or 2 or both? More than likely you do and 2 batteries are connected together for the house bank and 1 for the starter. You could hook up one battery and see if it turns the engine over then you would know that switch position is your start position. I'm sure others will pipe in with better ideas.
It all depends on how it's wired. Most folks have the alternator output (AO) going to the C post of the 1-2-B switch. If you want to improve on that, try these:
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.