Wiring two screens? Do both need to have separate electrical wire straight to the terminals?

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johnwest80

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Apr 4, 2024
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alpharetta, ga
I have a hummingbird with mega 360 and 12" screen, and i'm about to add a garmin 12" screen for livescope. I currently have a dedicated battery and wire just for the hummingbird.

My question is: it will be hard for me to run another wire from the battery at the back to the front of the boat where the screens and transducers are. Can I just share the wire for the hummingbird equipment and split it at the front of the boat to power the hummingbird and the garmin equipment (the wire gauge can handle the amps, so it's really about possible interference)? I know you shouldn't share a wire for trolling motor and screen, but can't find a straight answer on two screens/transducers sharing the same wire.

Thoughts? Will this be ok?
 
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