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Current Limiter In Starter Circuit

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HomeBuilt101

Well-Known Member
Joined
Oct 20, 2015
Messages
384
Location
Aguila AZ
I am running a pusher with two Optima batteries... one in the nose and one in the back under the back seat. I will have a Bus Tie located at the back battery box. To reduce weight, I want the 2 AWG cable that connects the nose battery to the Bus Tie to serve both as the conductor used to connect the two batteries and also the conductor that the second alternator uses to get the power to the front battery so therefore this 2 AWG cable will be hot all of the time including starting because the front battery will need to carry the start loads.

Since it is such a long run I want to protect the wire with a current limiter however I do not want to design in protection that might fail during the time when the back battery is dead and the front battery is starting the engine.

Any advice would be greatly appreciated!!!

Bill Hunter
 
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