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Old 01-13-2026, 08:18 AM
Onestone Onestone is offline
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Join Date: Oct 2025
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Quote:
Originally Posted by Parkman51 View Post
Today's two questions:
2) Can I modify my existing wiper switch to work with the electric motor? It already has the necessary hookups for the vacuum washer, and using a new electric switch would, I assume, require modifications to that system.
Quote:
Originally Posted by Safari Larry View Post
I don't know. For 56, the same vacuum switch was used for the electric wiper motor. I suspect 55 used the same wiper switch as 56. Your wiper motor may be different than the original 56 Pontiac wiper motor.
Hi Parkman, I had the same issue in my ongoing restoration: I wanted to use the original (vacuum) wiper switch with the electrical motor. Since parts are very hard to get here in Germany, I modified the original vacuum wiper switch to still use it with the electrical wiper motor and keep the original look.

Take a look here in my thread, there are pictures and also a small video how it works:

https://forums.maxperformanceinc.com...8&postcount=14

In fact I constructed an adapter for the backside and 3D-printed it, and the two small switches are from Amazon for around 10EUR. A few small screws and a stopper from a bike brake cable - that was the whole magic

I can send you the 3d-printfiles if you like to do it the same way, it works very good.