Finally received my order today.
Not sure about the impedance matching for the speakers with the GM interface – will I need to use the resistors or just wire the front and back speakers from the GM interface to the radio directly? Provided instructions are poor.
For the Illumination – can I use the Brown with strip (dimmer line) from behind the light control on the dash?
I’m confused on the radio mute, one post said it’s not needed, but for the DCGMoS2B11B GM interface, it wants me to “Cut Brown wire at pin 9 [of interface module] and connect it to mute input wire on radi