Dual Battery Questions

Krafcik

Tremor Fan
Joined
Jan 20, 2020
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Location
Houston
Current Ride
Subaru
I just want to make sure the dual batteries function how I think they do. I'm assuming they are linked, but the started battery is isolated from the secondary battery in such a way to protect it from total drain. Also, is there a switch to use the secondary battery as a starter batter if the needs arise? I sure hope this makes sense.
 
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