41 gmos-04 wiring diagram
Metra Gmos-04 Wiring Diagram. schematron.org THE GMOS IS DESIGNED TO BE USED WITH VEHICLES PROVIDE A 12 VOLT SWITCHED WIRE FOR PROPER RADIO. INSTALLATION INSTRUCTIONS FOR PART GMOS CAUTION: Metra recommends disconnecting the negative battery terminal before beginning any. GMOS GM Data Interface Product Features; Tech Docs Pre- wired ASWC-1 ... GMOS-04 2 WIRING UP THE GMOS-04 * Important: Before beginning any of the following, disconnect the negative battery terminal to prevent accidental short circuit. **Note: The ignition power source of most GM vehicles keep the radio on until one of the doors is opened. This is called the R.A.P. (retained accessory power). The GMOS-04 is designed to retain this feature. Metra's GMOS-04 GM radio replacement interface lets you replace the factory radio in select OnStar-equipped 2000-up GM vehicles using the existing wiring and connectors. Even if you don't subscribe to OnStar, you'll need this adapter to connect an aftermarket st...