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Old 12-24-2012, 08:13 PM
MLA MLA is offline
MC Devotee
Join Date: May 2012
Boat: pontoon
Location: Lake Wylie Area
Posts: 1,384
My guess is that they are the switched B+ for the gauge illumination. The bulb socket is the opaque piece. One half contact the brass strip that is ground post via the stainless steel strap and threaded stud. The other half of the socket would be connected to those blue wires. They will daisy-chain from one gauge to the others.
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