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Q: rear passanger door on 2001 Cadillac DeVille

my rear passanger door has no power only the cig. ligher works i changed out the control mod. but cant use the window or power locks what can cause this
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The control module will need functioning power, ground, and communication line to operate. The fuse in under the rear seat, RRDR MDL - 10A fuse. You are probably missing one of the three items necessary for the door module to function.
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