For all elec guroos

I wanted to run my livewell pump off the trollin bat. to keep from draining the start bat.
I took the hot wire off the switch and ran a new one to the TM bat. Then I connected the NEG from start bat to NEG of TM batt. To take care of the ground.

that will not work. you will have to run the neg. wire first

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Originally Posted by beagle man

that will not work. you will have to run the neg. wire first

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It does work. Works fine

Did you fuse the wire? Locked rotor draws a lot of current. Fire hazard.

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Originally Posted by Cane Pole

Did you fuse the wire? Locked rotor draws a lot of current. Fire hazard.

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Yes 5amp 16 ga. wire. What about the Grounds connected. Should only draw from TM bat. right?

yep. You fine.

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Originally Posted by cane pole

yep. You fine.

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thanks cp

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Originally Posted by wilbur

thanks cp

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I use a car starter cable to tie my battery grounds together. Big is good.

Be careful not to do this if you have a TM with a built-in transducer. Some of them don't like the batteries sharing a ground.

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Originally Posted by CatFan

Be careful not to do this if you have a TM with a built-in transducer. Some of them don't like the batteries sharing a ground.

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I was told that is the way to get rid of interference. I think there is schematic of it somewhere on here that CP drew up