Spring Forward Sale! View deals

Retain OEM AUX Input - GMC - Radio Interfaces

Retaining the factory 3.5mm Auxiliary input when replacing your factory radio with and aftermarket radio is important when you want to connect an external device easily to the inputs of the aftermarket radio, these harnesses make that easy.
Car radio replacement radio interfaces allow you to remove your factory radio and install a new factory radio while retaining all of the factory features.

Onstar adaptors - Onstar adaptors allow you to remove your factory radio and install a new factory radio  while retaining all of the factoyr Onstar features.

Dash Kit and Harness Fitment

Shop By
Car Stereo Wiring how to's and guides
What do the wire colors of a car stereo mean?
Car stereo wiring is color coded for convenience and simplicity. Each wire color has a specific meaning, we show you what they are.
©2003-2022 Mobile Electronics Display and Accessories Co., Inc.