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Old 10-08-2013, 10:57 AM
MLA MLA is offline
MC Devotee
Join Date: May 2012
Boat: pontoon
Location: Lake Wylie Area
Posts: 1,557
I prefer option #3 and use an illuminated rocker/toggle. Light on = radio = dead battery next trip out.

But, option #3 has the yellow MEM wired to B+ and the rocker/toggle switches the red turn-on wire. this insures that the head-unit sees the same battery reference as the rest of the audio system.
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