Audio Interrupt Switcher For GM 1988-2002

GM Factory 2 or 4

Non-Amplified speaker system




OR GM 2000Now the off-road GM enthusiast or the 1988 to 2002 GM passenger car owner can enjoy the convenience and safety of their Ham or CB radio with the CBM-GM88 CB Monitor (CBM).

How It Works: When a voice transmission is received on a 2 way-radio, the CB Monitor automatically mutes the stereo and switches the two front speaker to the 2 way radio voice while all other speaker go mute. It remains switched and muted for three seconds after the last voice transmission is received, then returns back to normal stereo play.

Fast and easy plug and play installation for the do it yourselfer.

Built to last water proof potting compound is used on this product to encapsulate the circuitry and cable assembly that protects against temperature change, vibration, dust and accidental immersion in sea water. JIS8 rated, Designed and assembled in the USA.

The CBM allows the 4x4 enthusiast to enjoy their music on the trail without missing a call.


Factory GM 2000

GM 1988-2002







CBM-GM88 1988-2002 GM Factory 2 Or 4

Non Amplified Speaker System


Wiring Diagram

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