When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If you have OnStar (you did not specify) like the microphone uses the C2 connector, pins 9 & 10. The microphone connects to the Vehicle Control Interface Modual (VCIM).
If you do not have OnStar, it is the C5 connector, pins 3 & 5 at the back of the radio.
From: Canonsburg home of Yenko Chevy (gone but not forgotten) Western PA
Originally Posted by calemasters
If you have OnStar (you did not specify) like the microphone uses the C2 connector, pins 9 & 10. The microphone connects to the Vehicle Control Interface Modual (VCIM).
If you do not have OnStar, it is the C5 connector, pins 3 & 5 at the back of the radio.
Thanks
06 Z no OnStar
I quess the big plug (C5) in the back is what you are referring to and I'm sure it's pluged in but the mike and the Speed Volume Control do not work.