1997 Volvo 960

I am purchasing a 1997 volvo 960. There is a problem with the sunroof. When I press the button to retract the sunroof I can hear a click but nothing happens. Is this a problem with the motor itself or there an electrical problem, such as a blown fuse or relay? Any help would be greatly appreciated.
. Also is there a relay switch for this sunroof, and if so where is it located?

November 14, 2006.

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