Preliminary Work

Information 

Expose main wire harness only as far as required until the new optical waveguide can be attached to the main wire harness.

1. Remove heating/fresh-air fan motor.

   WM, 853019 REMOVING AND INSTALLING HEATER/FRESH-AIR BLOWER MOTOR

2. Release and disconnect electric plug connections on loudspeaker booster.

   > 914419 REMOVING AND INSTALLING LOUDSPEAKER BOOSTER