On 22/02/2017 11:45 AM, Curley McLain via Mercedes wrote:
Right, and just to be clear, the motor must be separated from the car
circuit, either at the screws in the terminal in the door, or as Jim
suggested, pull the switch in the console. You must connect both+12v
and a negative to test the motor one way. Then flip + and - and test
the other direction.
MG via Mercedes <mailto:mercedes@okiebenz.com>
February 22, 2017 at 11:44 AM
Did you make sure that the wires you used to carry the 12 volts to
the screws were actually carrying 12 volts. Don't ask, had that
happen before. Did you try applying the wires in both orientations?
Applied one way, the motor will turn in one direction. Switch the
wires around and the motor should turn in the other direction.
Manfred
And if applying power at the switch does not make the motor run, then
one might wish to apply power at the motor before tearing the works out
(if possible) to ensure it is not just broken wires in the area where
the door opens and closes.
RB
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