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Product Overview: Current video is of the 6th gen
These are brand new in the GM box and do not have a core charge
Video Install: (Note - we now use a cleaner circle switch to allow install to be smoother
Picture shows that a 3
Wiring harness
Speaker Wire Breakout Harness IOB LBZ Duramax Diesel Product Overview: Current video isThis harness is for those adding an aftermarket amplifier to their 2016 2018 Full size GM truck, and do not want to cut any of the factory wires. This harness will simply separate the 4 speakers, outgoing signal, from the radio, and the return signal to the speakers. Leads on harness are 6" long which allows you to add on your own wire to and from the amp. This is only for those that have the 7 inch screen IOB radio without the factory amplifier,
