when i was buying my unit and gm harness on ebay i saw this PAC NAV-1129 that says you need to install a nav unit was wondering if anybody with nav units used this at all and if i should get it ill be installing a pioneer avic-f90bt unit this week and want to make sure i dont need thses to here is the link for it on ebay to if you guys could check it out and see if it is worth it thanks guys

link: http://cgi.ebay.com/ebaymotors/ws/eB...id=p2759.l1259

 

i have the fb700 and i didnt buy it and it works fine.

 

PM EmperorJJ1.

He will tell you for sure

 

The new Gmos Lan 04's have the speed sensing wires built into them for GPS/Nav models, I forgot to look but if you have an 07 or later Cobalt then this will work for you

 

x2. although im not sure if the 700/900/90bt units have a vss. last one i installed didnt that i remember