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Window and Mirror Switch Replacement
 
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Pelican Technical Article:

Window and Mirror Switch Replacement

Steve Vernon

Time:

1 hour1 hr

Tab:

$60 to $200

Talent:

*

Tools:

Philips head screwdriver

Applicable Models:

Porsche 944 Turbo (1986-89)

Parts Required:

Switches

Hot Tip:

Use care when removing as the plastic gets brittle

Performance Gain:

Working windows

Complementary Modification:

Detail the interior

The power window and power mirror switches on the Porsche 944, like any switch, will eventually wear out; they also get brittle over time and have a tendency to break off in their mounts and need to be replaced. The switches are not cheap, so if you are replacing one, make sure you use care working around the others. The small tabs can easily break.

The switch plate on the driver's side contains the switch for the mirror and both windows (red arrow).
Figure 1

The switch plate on the driver's side contains the switch for the mirror and both windows (red arrow). The passenger side door only contains the switch for the passenger side window but is the same process for removal as the driver's side.

The factory switch place is removed by using a Philips head screwdriver and removing the two small screws on the lower section of the plate (red arrows).
Figure 2

The factory switch place is removed by using a Philips head screwdriver and removing the two small screws on the lower section of the plate (red arrows). Our project has seen better days. The previous owner just ran a long sheet metal screw (yellow arrow) to keep it in place.

With the lower screws removed you can pull the switch plate out from the metal retaining clip on the upper section of the door panel (red arrow).
Figure 3

With the lower screws removed you can pull the switch plate out from the metal retaining clip on the upper section of the door panel (red arrow).

You can disconnect the wiring harness for the mirror by separating the two plastic tabs on the connection (red arrow).
Figure 4

You can disconnect the wiring harness for the mirror by separating the two plastic tabs on the connection (red arrow).

To remove the mirror switch, use a trim removal tool and gently pry the end off the mirror control stub (red arrow).
Figure 5

To remove the mirror switch, use a trim removal tool and gently pry the end off the mirror control stub (red arrow).

To remove the mirror switch from the plate, release the small tabs on the top and bottom of the switch and pull it straight out (red arrow).
Figure 6

To remove the mirror switch from the plate, release the small tabs on the top and bottom of the switch and pull it straight out (red arrow).

To replace the window switch, you remove the switch from the plate by releasing the two tabs on the top and bottom of the switch.
Figure 7

To replace the window switch, you remove the switch from the plate by releasing the two tabs on the top and bottom of the switch. To separate it from the wiring, you release the four small tabs on the harness (yellow arrows). Use care. The plastic gets brittle over time and can easily break. Installation is the reverse of removal.

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Page last updated: Fri 12/9/2016 02:50:01 AM