Just bought the Pioneer AVIC-N1 and I'm hoping to have it installed this weekend by myself. Looking at the directions, the only thing I'm not sure of is the "speed detection circuit lead". This is to detect the vehicle's speed to improve accuracy of the nav. Has anyone who has installed a nav themselves in the G35 coupe or has the service manual tell me where I can find this wire? Much appreciated. If you can tell me exactly where the "reverse lamp lead" is as well, that'd be helpful. This is just the power line to one of the reverse lights so the nav knows when the vehicle is in reverse. I can probably figure this one out myself.

 

speen sense-white/green cluster, brown plug, pin19 also I think speed sense should be behind radio,
for reverse go to the reverse ligh lamp check the wire color and catch it in the kick panel.

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Great, thanks!

 

Just to be clear. I should tap into the black loop wire here? Much appreciated! I've been taking pics, so I'll have a sort of DIY after I'm done.



221084-DoubleDin 031.jpg

 

Decided to just hook it up and it appears to be working. According to the unit, it's sensing a speed pulse.