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Multiple Batteries Wiring Issue, Tripping 300 Amp Circuit Breaker While Starting

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Member - Posts: 4
Member spacespace
Joined: November 30, 2019
Location: Florida, United States
Posted: March 01, 2023 at 6:13 PM / IP Logged Link to Post Post Reply Quote ingeld
I have two Optima batteries in the back of my Jeep they are for audio and the jeep itself. Ran a heavy gauge wire from the rear to the front with a 300 amp circuit breaker. I've been having issues popping the breaker while starting. Don't know if 300 is enough but I can seem to find one bigger. Can I run two 200 amp breakers in parallel?
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: March 02, 2023 at 5:31 PM / IP Logged Link to Post Post Reply Quote geepherder
I don't know what model Jeep you have, but 300 amps sounds a little much unless it's a big diesel. You can have your starter tested at the auto parts store for free.
My ex once told me I have a perfect face for radio.

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