The ac does not work on my 1993 cargo van (caravan). The fuse is ok. Also the cruise control does not work. Are these two problems related? I wish I had a pictorial diagram of the air conditioner and the cruise control, so I could see how they work. The car manuals just barely touch on the subject.
I need your help.
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hi dave well there have been issues with computers on those vans but all of your problems can be traced to the steering wheel. there is a part called a clock spring in the steering wheel that allows things like the horn and airbag to have an electrical contact while still being able to spin in a circle! you also have the cruise control running through the steeing wheel. anything unusual happen with the steering wheel. did it get wet or anything spilled on it? did you get a check engine light? the air bag light will come on if the control module loses contact with the air bag in the steering wheel but the check engine light will not come on if contact is lost with the controls for the cruise control. the horn is not monitored. a scanner would help here. parts stores have them and will often run it for free hoping you will buy parts from them. look for the computer to show the cruise control being requested when you try to turn it on. if nothing shows in the computer then you probably have a bad clock spring. this is a dealer only part and not cheap. maybe an independant repair shop would get a used one from a slavage yard for you. good luck
the cruise control switch itself may be defective, also it may have to do with the wiring to the engine, follow the wires and look for any obvious defects, if none are found, replace the switch (if it doesnt work, you can always return it). also check with your local salvage yard for a replacement switch
The cruise has no dedicated fuse, you will most likely be looking to replace the clockspring rotating contact located under the steering wheel which connects the switches in the steering wheel (horn, cruise and air-bag) to the rest of the electrical system.
the most common problem is the rotating ribbon contact under the steering wheel that connects the cruise switch's to the steering column and cruise components, we tech's call this the clock spring contact, it is a flat ribbon of printed circuit tape that rolls up and un-rolls as u turn the wheel, it provides a moving connection for all steering wheel mounted controls and the airbag.
it sounds like you got 2 problems...the cruise and radio buttons sound like a bad clockspring......the overhead console problem sounds like a bad ambient temp sensor located behind the grill. if it is too cold out the ac will not run