Power Mirror Switch

[Cade Carvell]

Hello,
  I have cleaned my power mirror switch, and bought a good used mirror
(yard claims tested before sending).  The passenger side mirror works
great, but the drives side just clicks at me.  A matter of fact, both
mirrors just click at me.  I am thinking that the switch is simply bad,
does any one know of a supplier of a new one?

87 4000 Quattro 63,000 Miles

Thanks,

Cade Carvell
National Business Systems, Inc.
Eagan, MN 55121
Office: 651-994-4400