I have the W124 Service CD's and the W124 paper manuals, but can't find the test procedures to find out why the HVAC blower on our 1993 500E is not working.

I've checked all the fuses for continuity, and wiggled the ignition lock, but nothing.

Thanks in advance,
:-) neil
1988 360TE AMG
1993 500E

PS: to blower just stopped working one day