I have no speedometer display on a 1998 cadillac deville.?

  • Thread starter Thread starter brodiedarran77
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brodiedarran77

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A customer brought me this car, with no speedometer display, PRNDL display, gas gauge display, or temp. display. In other words, the insturment cluster doesn't work, Although, the lights, above the LCD display, work just fine, (service engine soon, traction control, brake, etc.) The Driver info. center works ok, and so does the temperature controls. I tried to switch insturment clusters. although the car would not start do to the anti-theft in the cluster, the LCD still would not display. All the fuses are good. (including under the hood and the fuses in the trunk, can some one point me in the right direction?
I also have a wiring diagram for the cluster from mitchell on demand. I have also probed the wires for the turn signals going into the cluster with my test light, the light flashed with the turn signals, but the green arrows that were supposed to flash in the cluster did not. Also, the cluster I tried for a replacement was a knowingly good part.
 
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