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Tow rig trailer charging circuit

778 views 3 replies 3 participants last post by  Travis Waldher 
#1 ·
I need to add one to a vehicle, and I'm a bit confused about how to size the wire.

Is the wire size and voltage drop the determining factor for the charging battery? So if I want to send 30A down the line, size the wire appropriately for 13+V to reach the battery?

Also, fuse or self resetting circuit breaker? Leaning toward fuse.
 
#2 · (Edited)
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