Quote:
Originally Posted by junqueyardjim
I have an 85 300D, and at times my blower will just not come on. It is all controlled through the monovalve that sits at the back of the engine near the fire wall. I have found that just removing the small electrical connection at the top of the monovalve, and cleaning those two pins that go into the connector will solve the problem. It seems very sensitive to getting the required voltage.
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Actually, both the monovalve and blower are controlled from the climate control unit. It sounds like you have discovered a strange interaction between them. My old CCU seemed to cause all types of magic before I replaced it.