Hi,

Does any body knows how to disconnect the wires of the power windows
motors (rear - left side window) from the harness on 1991 420 SEL? Do
you need a special tool to open the harness, a black plastic which is
attached to the window switch? I do not want to cut the power window
motor wires to get the power window mechanism out.

Thanks in advance,

Fernando

At the bottom of the door, there is a two screw connector. Take out the little screws and there you go.
You will have a two piece harness.

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Benzmac:
Donnie Drummonds
300E
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM