wrote in message
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I'm installing a Garmin 76S gps on my boat and am looking to buy a vhf
radio. Do you have to buy a wiring harness for the vhf radio to hook
up the gps signal to the radio?

All new VHF radios come with a harness for external speaker and GPS-to-DSC.
It will be easy to find the electrical mate for that plug and connect it to
your GPS using two of the four wires on the radio harness, in the unlucky
event that the Garmin harness doesn't match the radio's.

Jack Painter
Virginia Beach