Panhead Posted June 20, 2023 Report Share Posted June 20, 2023 I have the electric wiper motor out off my ‘49 B-1-B, had the armature rewound, and I’m getting it back together. I wired power up to it to test it out and I noticed that on low speed the motor turns one way then on high speed, it turns the opposite way. So my question is, is that normal? I’m guessing it wouldn’t affect the way the wipers work but if I’m got something wrong, I would like to know. Anyone have an idea on this? Thanks Quote Link to comment Share on other sites More sharing options...
JBNeal Posted June 22, 2023 Report Share Posted June 22, 2023 That operation does not sound correct. If I can get caught up on chores, I have an article to present that covers restoring these wiper motors mechanically and electrically. In short (get it? ), there is a parallel circuit that involves a bus bar to control motor speed...kinda sounds like some wires got crossed on your example. But this setup is for the original motor; post some pics of what you are working on to verify ? Quote Link to comment Share on other sites More sharing options...
Panhead Posted June 23, 2023 Author Report Share Posted June 23, 2023 JB, I would like to check out your article. Here are some pictures of the wiper. It’s an original from ‘49. Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 23, 2023 Report Share Posted June 23, 2023 Looks like a B3/4 wiper motor.. Quote Link to comment Share on other sites More sharing options...
JBNeal Posted September 7, 2023 Report Share Posted September 7, 2023 I concur, that appears to be a B-3 / B-4 wiper motor, which is somewhat different from the B-1 / B-2 motor. Ironically enough, I had retrofit a B-4 wiper motor into my '49 back in 2004, and can attest that it is not a direct swap as the geometry changed when the wiper pivots went further outboard on the B-3s. I will do some more investigating on the circuitry differences...stay tuned Quote Link to comment Share on other sites More sharing options...
Panhead Posted September 11, 2023 Author Report Share Posted September 11, 2023 My motor been sitting on a workbench for the last month or two. I can get to do the 2 speeds but it won’t park. I’m working on other things now and having a working wiper is a big priority. If it not original to the B-1 then I don’t where it came from. Quote Link to comment Share on other sites More sharing options...
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