I know that my control stalk (wiper, turn signal, high beam) on the left side is going.

Today, the monowiper started wiping really slowly and not going back to the proper resting position when off.

Is it possible that this condition is due to the faulty control stalk or something else?

I've purchased the control stalk from Phil Rheinhart and have it on hand to install.

Does anyone know if this sounds like the actual wiper motor might need replacing as well?

Opinions appreciated. Thx

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Ben
1987 190d 2.5Turbo