Cleaning the door window switch

Guide and pictures by Devin Fisher

Applicability Difficulty Time Materials Tools
1989-1991 (w/ electric windows) Simple Thirty minutes Electronics cleaner/lubricator thin flat head screwdriver
  1. Disconnect the negative battery cable
  2. Remove the screw holding the window switch bracket and pull the whole bracket out of the panel
  3. Switch removal
    Fig 1. Window switch bracket uninstalled
  4. Remove the two bolts holding the bracket to the harness base.
  5. Separate the switch from the harness by slipping a screw driver in between the switch and the large black harness base and rotating the screw driver slightly to lift the contacts out. Do this several times changing location so that no pins are bent taking it off.
  6. Switch and harness, with the housing slightly removed
    Fig 2. Switch and harness, with the housing slightly removed
  7. Separate the housing by inserting a thin bladed screw driver between the switch block and the housing and gently lifting the housing from the block. There are four spots that need to be unclipped, two on each long side (see Fig. 2).
  8. Take the switch block in hand and spray it down with the cleaner/lubricator. Ensure that the cleaner is safe for use on electronics!
  9. Switch mechanics
    Fig 3. Switch mechanics without the housing
  10. After drying, reassemble the switch to the housing. Insert into the harness base. It can be installed incorrectly, but it is rather difficult as there is a key that orients the switch to the housing and the base. Install the switch bracket bolts.
  11. Switch assembled into harness
    Fig 4. Switch assembly inserted into base
  12. Push harness back into door panel and insert bracket tab into the slot in the panel and then screw the bracket to the panel.