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1993 Fleetwood Brougham 6 door
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35 Posts
Discussion Starter #1
I just purchased a 93 Deville for the fun of it.
The Fuel Data center and Hvac displays do not light. Somone suggested the radio may be the culprit since a delco from another model
was in the dash. The factory head unit was in the car, I reconnected it, and the clock display works. but the FDC and Hvac control still have no
display. It was also suggested the bcm may be bad on this car. Before i begin throwing parts at it, I would like to test the pin on the bcm that goes to
the two displays. After that background, I am looking for the pin that i need to test, and maybe the wire color.

Also any other ideas as to what to look at if the pin has power. the harness to the radio is unmolested.
 

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92 Fleetwood 2dr cpe - FWD, 96 Seville SLS, 02 Seville
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1,016 Posts
BCM was the problem for my 93 Fleetwood. Same symptoms
 

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70 Deville 78 Seville 92 Deville 03 Deville
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821 Posts
I think when the BCM fails you get a "c" or "d' in the display. You may have a problem with the display units. We used to have hundreds of threads about this. If they are still here you can research the specific symptoms.
 
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