Is there a cure for slow coupe rear windows. So far I have stripped down removed the motors cleaned commutators brushes etc, lubricated all rollers and springs..........not a nice job as a bit fiddly all back together but still slow!!
Can electric motors get "tired" or magnets get weak.
is there a better motor that could be adapted?
Any help appreciated
Hope this may be of help to you.
Daimler Sovereign S1 4.2 1971
I would imagine that the general wiring would be the same.
The switches take all the current for the motors through them and over time they wear and the contacts get dirty. Speaking to an old mechanic friend he said they were always slow, even when new.
What I did was to run a larger power cable to each of the doors and used the switch wires in the doors to operate a couple of relays. One for up and one for down. This ensured that the motor receives full battery voltage when operated.
The windows now work better than I expected. As fast as any modern car. In fact, they work so well that I'm considering fitting a limit switch to the ends of the window travel as they now close with with a noticeable thump.
I can dig out the schematic for this if anyone wants to give this a try.
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