that is incredible my a/c stopped working and the seal in the ecc was broken and this let the smoke escape,so when i pulled it apart the same zener had pulled out of the board and the same caps were damaged,identical to the pics posted,unbelievable, tell me its not a common fault,the big question is...

hi i have a 1992 850glt the a/c just quit no lights on the climate control so pulled the manual out but not sure how accurate the diagram is noted there is a overload relay that must be closed thought i would check it first but the manual only shows where some of the relays are under the bonnet but ...