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PAC C2R-GM11B Wiring Interface thumbnail image
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5 star
75%
4 star
25%
3 star
0%
2 star
0%
1 star
0%



Durability
4.5
Value
4.5
Features
4.8
Design
4.8
Usability
4.8

Customer Reviews

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Real simplicity

This PAC module allowed to install an aftermarket stereo with no issues that would normally arise trying to replace a GM factory stereo. Everything just plugged in and after a few simple connections, it only took about 15 minutes and everything works fine without the loss of the information center and chimes. If you are considering a factory stereo swap I think this is the only way to go. This is probably the easiest install I ever done.

By George on April 19, 2011

24 found this helpful


Worked EXACTLY as Expected

Very easy to install. Piece of Cake. Took 10 min with a solder gun and heat shrink tubing. Plug and Play.

By Lawrence on June 3, 2014

23 found this helpful


Works Great

Works great, has chimes that are able to be turned off.

By n/a on January 12, 2015

21 found this helpful


Makes installation easy

Makes installation of after market radio simple. I used this in conjunction with the Pac ControlPro steering wheel control interface and Metra 70-2103T radio relocation harness. No problems with the C2R-GM11B

By Vinny on October 20, 2014

21 found this helpful


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.