ac won't come one fuel gauge doesn't work

1993 CADILLAC DEVILLE
13,500 MILES
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HELPMYCADDY
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I have had a new 'brain' put in the car. I was told i needed a new module? but what kind? the ac won't even come on. speedometer works, so does radio. Please help!!
Jul 29, 2012 at 5:32 PM
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ASEMASTER6371
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start with basics. what are the pressures for the ac the way it is now??

Roy
Jul 29, 2012 at 5:35 PM
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HELPMYCADDY
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pressure is good. not sure what the exact reading is.
Jul 29, 2012 at 5:53 PM
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ASEMASTER6371
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we need pressure numbers as it will depend on starting up the system with the correct pressure

Roy
Jul 29, 2012 at 6:28 PM
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HELPMYCADDY
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ok, i'll have to ask my dad he's the one working on it for me.
Jul 29, 2012 at 6:59 PM
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CADIEMAN
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the problem here is 1 off the panels is bad.use a t15 to remove the wood grain.then u remove the fuel center and a/c panel.start by disconnecting the fuel panel connector. does the a/c panel light up?if no plug the fuel center back in and unplug the a/c panel.does the fuel center lite up?if nethier panel lites u will need to replace the bcm.
Jul 30, 2012 at 10:38 PM