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I pulled the vacuum wiper assy out of our P15 a couple of years ago and boxed it up awaiting the day I would find myself at the step of getting it back on the car and working. This winter I pulled it from the box, laid it out on the table and snapped the attached picture before taking anything apart. At 1st glance things looked pretty straight, except the linkage grommets were missing.....After taking it apart and seeing multiple problems with the old motor, and learning of the New Port Engineering electric replacement - I opted for the new electric wiper motor setup. Moving along carefully with the new parts, I have found myself questioning if these original linkage arms were attached correctly (when I removed the motor), or possible swapped in respect to left hand versus right hand. Recently I've found multiple examples (pics of arms, complete wiper assy's, etc..) and they don't seem to match up with what I have here in the attached picture. Also, in respect to the installation drwg diagram I received with my new Port Kit - unless I'm just being old and crossed eyed, I'm not getting things to match up. If I'm remembering correctly (in respect to the attached picture of my old vacuum wiper assy), the way it is resting in the picture would be correct if you were sitting in the car looking at it mounted up, only difference would be that it should be rotated 180 degrees...(so the wiper bowl would remain on the bottom just like in the picture but the curved linkage arm would be on the passenger side) ?? Again, If I'm remembering correctly (which would no doubt be a 1st :), flipping the unit as described above would put the curved linkage arm on the passenger side. When I look closely at the cast end brkts on each linkage arm, they are marked LH & RH. The curved linkage arm is marked LH and the straight arm is marked RH..If these LH/RH designations are in respect to being inside the car they are opposite of what I have here, if they are in respect to standing in front of the vehicle looking towards the car, they make sense. ?? Lastly, I have attached a picture from New Port Engineering's Installation instructions, which appears to show the curved linkage arm as being on the passenger side, however the curve in the linkage arm makes it's curve upwards, you can see in the picture that the way my arm came off the car, the curve is opposite that pointing downward..?? Not trying to be lazy, as a little getting out there and trial and error fitting might make this all come to light, just trying to outsmart that old evil Murphy (Murphy's law:), and eliminate fitment problems down the road when these are gonna be much harder to get too... Thanks in advance for the priceless help I have received here on the forum with this project and my P15 education.. Steve

Trying to figure out the wiring for an electric wiper motor i got to replace a vacuum unit in 1952 B3. I can kind of tell the color of the 3 wires, anyone know the use based on wire color?