Audio - Proper Radio Balance Sound Adjustment
89Chevy16Number: 89-165-9A
Section: 9A
Date: May, 1989
Subject: PROPER RADIO BALANCE CONTROL FEATURE SETTING
Model and Year: 1989 R/V WITH ETR AM RADIO (UT5)
TO: ALL CHEVROLET DEALERS
Starting with the following VINs, 1989 R/V production began using electronically tuned AM radios (ETR):
1GNEV18K3KF150932 1GBGR34K9KJ121659
The AM ETR radios have a balance feature which allows for sound adjustment from the right to left.
1989 R/V models equipped with AM ETR radios have just one central speaker. The balance knob should, therefore, be set on center or left of center for radio transmission through the speaker.
Do not attempt to repair a 1989 R/V AM ETR radio with no radio transmission when the balance knob is set right of center.