noskatehate22

I just got a new navi head unit and I need to tap into some wires. Any help would be awesome!! I need:
Vehicle speed sensor
Constant power
Power when ACC is on
Power when lights are on

jaspers_xb

Speed Sense | blue | ac | radio, white 20 pin plug, pin 3

Radio 12V | blue | + | radio, white 10 pin plug, pin 4

Radio Ground | brown | - | radio, white 10 pin plug, pin 7
Radio Ignition | yellow | + | radio, white 10 pin plug, pin 3
Radio Illumination | Gray (parking lights) ; Blue (dimmer) | + ; - | radio, white 10 pin plug, pin 10 ; white 6 pin plug, pin 5

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noskatehate22

That is awesome, thank you!! Just one question: When you say radio, does that mean those are on the plugs for the radio, so when I install the aftermarket wiring harness, I can tap directly into the harness the aftermarket one plugs into? Also, any idea where I can tap into the reverse sensor or whatever for a manual transmission?

jaspers_xb

If you are getting an aftermarket wire harness (not the one that plugs directly into the aftermarket radio) that gives you all the color coded wires for power, ground acc, etc for the radio then you'll just need to match color for color on each harness. And yes when it says radio it's for the plugs behind the radio.
According to the print out I have the reverse wire is a red wire in the drivers kick in the group wires running down the drivers side (make sure you meter the wire. I know in my xb there like 4-5 other red wires in the bundle)
Most harnesses give you 2 illumination wires, one is ground the other in positive, most head units use the positive one (mine does but I also have an aftermarket nav screen) just meter the illumination wire off the harness to make sure.


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