What would cause the door locks to go crazy at night but not in the day? on 1997 Plymouth Voyager

when driving the locks click on and off constantly for a few minutes then stop for a few minutes then start clicking again.

by in Sweet Grass, MT on December 22, 2012
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2 answers
ANSWER by , December 22, 2012
maybe it is the door lock control
ANSWER by , December 23, 2012
Previous owners vampires with a sick sense of humor?