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Old 11-15-2013, 02:33 PM   #49
mid_life_crisis
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Quote:
Originally Posted by foglesre View Post

Pin 21:
Seek Up 0 Ohms
Seek Down 330 Ohms
Volume Up 1000 Ohms
Volume Down 3110 Ohms
No buttons 100K Ohms

Pin 22:
Mode 0 Ohms
On hook 330 Ohms
Off hook 1000 Ohms
Talk 3110 Ohms
No buttons 100K Ohms

Pin 23 is the common wire for the SWCs

I know the values are probably different, but does anyone know if the pinout is the same for all the HU's? In particular for the HU in the FR-S anniversary edition (now standard for 2014 Scions)?
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