Reply With Quotethe lights wont work unless the fan is on.....
No A/C or Recirc Button Lights
My wife's 1993 525it A/C and recirc buttons are not working. The rear defroster button works fine (1 out of three not bad!). When we got the car (6 months ago) all the buttons worked fine. From then to now, it was intermittent that they would work, but now, nothing. Anybody have the same problems? Any sugestions? Thanks a bunch, I love this forum!
Sinnbad
3 Grand Master
the lights wont work unless the fan is on.....
Gone but not forgotten
Originally Posted by Paul in NZ
The fan is on when we try this. I have also tried it in all different temp configurations. I just need the A/C for the summertime. Thanks for the responce.
Sinnbad
Major Contributor
Low on refridgerant?
Big, Big Time Poster
I've got the same problem. Looks like my '93 525 lost most of its refrigerant over the winter.
Paul Shovestul
.....Got to keep the loonies on the paath.
When it came on last. It did not blow cold (low refridg) but why would both the buttons not work? The recirc button should still work? Is there a control module that controls both? Is there a fuse that anyone knows about? Thanks.
Sinnbad
5-10 Grand Master
There is a harness that it's connected on, maybe one wire is pulled from the back or something, especially if you've done a headunit or something.
That gives you an idea of how the switch works. More or less.
Jon,
Thanks for the tip. I did not do anything different to the car other than driving in during the winter. I will have someone check to make sure it has freon. I check the conection the other day under the radio. Seams fine. Thanks.
Sinnbad
Major Contributor
check the sword ... if its corrupted then u will have nothing working
Major Contributor
I think when the system pressure reaches a certain point (sufficiently depleted refrigerant), then the switches don't seem to work. You probably had just enough left previously that it came on but not enough to make it cold. My wife's mini van AC comes on but is cycling frequently (my clue that it is getting low on refrigerant) and is not blowing very cold right now. Time to fill it up again!
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