Remote Audio Unit

For chevrolet and GMC when the radio is turned to the ON position voltage is provided to the following components:
^ CKT 340 (ORN)
^ The remote audio player

The remote audio player ground path is provided by the following components:
^ CKT 1050 (BLK) from the remote audio player to the radio
^ The radio
^ CKT 1050 (BLK) from the radio to the grounds
^ G203 and G204

For oldsmobile the following components supply voltage to the remote audio player at all times:
^ The RDO BATT fuse 19
^ CKT340 (ORN)

The remote audio player ground path is provided by the following components:
^ CKT 1050 (BLK)
^ G203 and G204

For chevrolet and GMC (except envoy) when the headlamp switch is in the PARK position or the HEAD position via the following components, the remote audio player illumination voltage is variable:
^ The instrument panel dimmer switch
^ The ILLUM fuse 5
^ CKT 1220 (GRY) to the radio
^ The radio
^ CKT 1220 (GRY) from the radio to the remote audio player
^ The remote audio player

The data communication between the radio and the remote audio player is provided by CKT 835 (DK GRN).

The low level audio output signal from the remote audio player to the radio is provided by the following components:
^ CKT 367 (BRN/WHT) for the left channel
^ CKT 368 (DK GRN/WHT) for the right channel
^ CKT 372 (BLK/WHT) for the audio common ground