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iacbar, I would not modify the coaxial cable unless you have the right tools and expertise. The 12 volt power cable is a separate leg of the cable assembly and length should not be critical. Remember that using the BC 30 requires a special interface cable for particular Garmin models....
Sorry, there was a problem. Please try again later.Extension for this unit is available from Amazon. Just type it in the search. $12.00.
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