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12V access inside door
A technical question for you electrical gurus.
I presently am using my TomTom navigation system attached the the lower front side of the fixed driver's side glass, nestled between the glass and the instrument cluster.
It sits in the same line of sight as the outside rear mirror and is the perfect position. Does not obstruct the windshield or the rear mirror and is totally protected from glare and easy to access.
At present, the power cable goes across the top of the steering column and down to the cigarette lighter.
I want to permanently hard wire the unit into the electrical to eliminate the wire. Considering where the unit is mounted, this is what I would like to do:
Drill a hole into the front edge of the door panel where it would be invisible and run the NAV power wire into the door panel and attach it to a 12V power source and ground inside the door itself. I was thinking of splicing it into one of the power window wires. These wires would only have 12V when the ignition switch was in ACC/ON.
Does this seem feasible? Which wire would I use? The unit would still be protected by a fuse (in this case the P/W fuse instead of the lighter fuse) There is plenty of room inside the door to even install an aftermarket 12V socket and plug the unit in directly if needed. This way the unit/power connection is all on the door and not affected by opening and closing.
Any advice or comments are always welcomed.
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Subaru Ambassador
1996 Polo Green LSi #216 ..138,100 miles. ..SOLD
JFICX8659TH100216.....Date of Manufacture: November 16, 1995.....
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Last edited by svxcess; 11-22-2009 at 09:42 AM.
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