Scosche GM0516DDCS Double DIN Premium Installation Solution and Interface...
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Product Details
Provides a digitally-controlled +12V accessory (ACC) power source for aftermarket stereos.||Retains safety chime features, warning indicators and other functionality when upgrading to an aftermarket car stereo.||Integrates properly with low and high-speed GM LAN data systems.||Preserves a “healthy” diagnostic status by sending the proper data commands to vehicles ECM (Electronics Control Module).