Gm Onstar Wiring Diagram

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Gm onstar wiring diagram. Connect the black wire to the radio s ground wire. Connect the yellow wire to the radio s 12 volt battery or memory wire. There is an orange white wire on the gmos 04 harness also. The black yellow wire is for the onstar volume adjustment.

Onstar wiring diagram wiring diagram is a simplified tolerable pictorial representation of an electrical circuit. Label it or splice to constant wire on aftermarket stereo first. This site has been optimized to be viewed at 1024x768. Axxess gmos onstar interface for non amplified gm systems in select gm vehicles check out the axxess gmos owner s manual this specific picture gmos 01 wiring harness axxess gmos troubleshooting wiring in axxess gmos 04 wiring diagram earlier mentioned will be branded with.

Metra s gmos lan 01 wiring interface lets you replace the factory radio in select onstar equipped 2006 up gm vehicles using the existing wiring and connectors. Swapping yellow wires will cause damage to any aftermarket stereo. If the aftermarket radio has a mute wire connect the brown wire to it. This will be discussed in the onstar level adjustment section of this instruction.

Plug the 18 pin harness into the gmos 04. Even if you don t subscribe to onstar you ll need this interface to connect an aftermarket stereo. If a wire is populated on the factory wiring harness use that wire instead. If the mute wire is not connected the radio will turn off when onstar is activated.

Onstar and rear view mirror wiring diagrams needed post by star deceiver thu oct 03 2013 11 06 pm as i recall the black box under the front right of the drivers seat is used for the stabilitrack system. Important there are two 2 yellow two 2 gray and two 2 brown wires in this harness. Locate the 12 volt constant wire first.