Hey all, ive recently been working on a 91 745 to put my wife in, she currently drives my 780 and with another kiddo on the way a coupe aint gonna work.

Ive resoldered the MCC unit, all solder joints that looked bad and still cannot get 12 volts to the low pressure switch. going to be heading to the pick yard tomorrow to grab a unit, So since ive got a 91 745 which MCC can i use in this car, from what years and can i steal from a 940 if i cant find a 740.

Ive read through the FAQ on the MCC issues and have done everything in my power to get 12 volts to the Low Pressure switch and just cant seem to do so, i do not know if the heat works and with it being 90 in the day time i really dont want to find out. the Blower Motor is functioning as well as the vent change function, the only time i see lights on the Recir and A/C button is with the headlight switch on, is this normal? yea they do change color with the headlights on when i push them in and out.