Question about 1990 Cadillac Deville
I remember there being a TSB on this but I cant remember the procedure or able to locate it because it is older than 1994. But it had to do with condensation under the dash, that I'm pretty sure of.
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Posted on Jan 02, 2017
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
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