New here!!!!
I have a H3 with 6CD XM Mosoon stereo and I am looking to install the Eclipse or Pioneer Navigation sysytem. I went to a car audio showroom and they said I need to bypass the GM amp., but I cannot find the AMP under the seats. Why do I have to bypass it? Is there a harness that will hook into the monsoon amp that will work with Navigation? Thanks 
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H3 slate blue, lux package, off road package, sunroof, chrome
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