Photo of tinned marine grade wiring for boats

Size matters with marine wiring

Troubleshooting problems with marine wiring

By Dave Osmolski

Last spring I installed a new combination sonar (depth/fish finder) and GPS on my boat, which replaced separate units. The new unit has a 7-inch screen, and the older units each had 4-inch screens, so I didn’t reduce the footprint at the helm.

I replaced the old units with the same brand and used the wiring from the old unit to power the new one. Installation went well, and I used my new unit to explore the waters around Pine Island, Florida.

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