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williamsd123
06-14-2011, 02:48 PM
I am trying to install my navigation unit onto my head unit. But need to know where the vehicle speed sensor line is on the Engine Control Computer

Chevyguy
06-14-2011, 05:03 PM
Even better, there is a speed sensor input in the head unit plug!! The Stock radio has a speed sensitive volume setting.

Pin #14 Grey/red VSS signal

http://www.metraonline.com/files/products/INST71-5520.pdf

williamsd123
06-14-2011, 06:06 PM
Got it..Thanks alot!!