Metra Gmos 04 Wiring Interface

Metra Gmos 04 Wiring Interface. Gm onstar lan data bus interface for for amplified sound systems only. We have a great online selection at the lowest prices with fast & free shipping on many items!

gmos 04 wiring
gmos 04 wiring from wirewiringjoshua.z21.web.core.windows.net

We have a great online selection at the lowest prices with fast & free shipping on many items! Retains chimes, onstar, bluetooth, balance, and fade. Easy to install with an aftermarket radio, easy to program with our auto detect feature.

Regard Please Call The Help Line Or The Metra At 1.


Gm onstar lan data bus interface for for amplified sound systems only. Retains chimes, onstar, bluetooth, balance, and fade. We have a great online selection at the lowest prices with fast & free shipping on many items!

• Connect The Black Wire To The Radio’s Ground Wire.


Easy to install with an aftermarket radio, easy to program with our auto detect feature.