Audio System - Noise
Category15
Applicable Model/s
1983 626
Subject
Noise from Audio System
Bulletin No.
116/83
Date Issued
3/29/83
Date Revised
Description: On some early production 1983 626, a noise in the audio system may occur because of improper grounding of the DIN-cord (amplifier wire) to the tuner. An improper ground of the DIN-cord can cause an excessive noise when:
^ The engine is running (alternator and ignition noise).
^ Electrical components are operated (blower motor, windshield wiper, etc.).
^ The audio balance stick is operated (if equipped).
Part GB17 66 970B - for ETR
Numbers: GA97 66 970C - for mechanical tuner
Checking Procedure:
DIN-Cord:
1. Remove the DIN-cord from the back of the tuner and amplifier or balance stick.
Center Wire Of DIN-Cord:
Use an ohmmeter to check the continuity of the center wire (ground wire) of the DIN-cord as shown. If there is no continuity or continuity varies when the DIN-cord is shaken, replace the DIN-cord.