Originally Posted by PeasBugs
Thank you all for the replies. I think I might have figured out how my GPS is wired. There appears to be two hot wires and one ground. Additionally the 5 other wires seem to be for other pay to play services, like MSN news and FM traffic updates. The 12v connector cost $130+ so it is not just the regular 12v plug.
The circuit board inside the 12V plug might be used to convert 12V power down to 3 or 6 volts.
Be careful if you apply 12V directly to any unit that requires much less.
2005 Ford E-350 Diesel Sportsmobile
EB 102 Voyager top, 3.55 rear, Mobil 1 all around
270 amp alternator, billet water pump, coolant filter kit,
aluminum radiator, X-Monitor with pyro, trans temp, boost
+ Scan Gauge & SCT Live Wire (Economy)