Really basic wiring questions

Icewalker

Adventurer
Guys I finally started testing my setup last night. Not sure but it seems I must have wired something wrong. I'm using one of the Blue Marine battery switches - so if I understand it correctly on switch position 2 (aux) battery - I should still be able to start the truck (run ancilliaries etc) - but for some reason this is not the case ?? I'm using the diagram posted last so I'm not sure exactly what I'm doing wrong. Going to dig out the tester tonight to see what the problem is.

Jeff
 

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