Question about 1992 Cadillac DeVille
This is defenetly the BCM, I had a 1990 with all of the same problems. Buy a rebuilt and install it behind the clove box. Remember that you must install you memory prom into the new unit as they don't come with any in them (it is what is memorizing your miles driven.) You will get off pretty easy on this one as they are available and not too expensive.
Posted on Jan 29, 2009
If its a digital dash not that this sounds good but smack the dash right in front of the steering wheel a few times and if it clears up or makes it do other things it needs a new instrument cluster.
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589
Posted on Mar 30, 2009
SOURCE: blower motor will not come on.
this has a "power module" near the blower motor, this is what control the blower motor to come on. very common for this power module to fail.
Posted on Oct 13, 2009
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