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Message: <blockquote data-quote="Bob Landry" data-source="post: 255392" data-attributes="member: 7025">#10 is too small. The MotorGuide TM has #8 leads that would attach directly to the battery. The instructions state that if any additional wire is used, it is to be #6. Use a Blue Sea power post with the appropriate ring terminals to join the different size wires of that size. No one makes step down crimp connectors that large and soldering will be extremely difficult, and you will likely not get a good connection. That MG wire size info is not motor size specific, so regardless if you add wire, use #6. Also, use AWG not SAE wire. SAE is smaller and does not handle as much current. Put the TM circuit breaker within 7" of the battery and use the size specified in the instructions for your specific TM.For grounds, use a separate buss bar. Some switch/fuse panels may have an integrated ground buss, but it will be small and difficult to work with, especially if you add components ata future time. Mount it somewhere out of the weather and forget about it.All power leads should be as close to the power source as possible. The fuse is to protect the wire, not the device. if the device fails and creates a short, it's beyond saving, so the intent now is to protect the wire and prevent a fire.</blockquote>