I'm gonna crosspost this, because who knows who'll have the answer.
I am setting up my 9/64 FJ45 with new wiper motors, and Ed (Degnol) sent me his wiper switch from that era. The motors are linked by wires, and have 3 contacts, marked from top to bottom as "S", "+", and "-". The wiring between the two was messed with before I got the truck, and there's no telling how it is really supposed to be by looking. I have a wiring diagram from that era, but the diagram does not show what contacts connect to what wire.
Then, there is the switch. It is a 3 pole switch, and none of the poles are marked. The switch is two position, on and off, and by testing it, I can tell that it turns poles on and off if I power the 3rd pole.
By experimentation, I have found that if I run a powered wire to the top contacts (marked "s") of the two motors in series, and ground via the contact marked (+) on the motors, also in series, and switch the power through the switch, I can run the two at one speed nonsyncronized. This means not using one live pole on the switch and the contact marked "-" on the motors.
If I ground the contact marked (-) and put power to the contact marked (+) on the motors, like you would think it might go, nothing happens.
So, it works for now, but does anyone know the correct way to wire it? Or at least, have diagrams of the switch and motors from a very early Chassis and Body manual? That, at least might help.
Thanks!
I am setting up my 9/64 FJ45 with new wiper motors, and Ed (Degnol) sent me his wiper switch from that era. The motors are linked by wires, and have 3 contacts, marked from top to bottom as "S", "+", and "-". The wiring between the two was messed with before I got the truck, and there's no telling how it is really supposed to be by looking. I have a wiring diagram from that era, but the diagram does not show what contacts connect to what wire.
Then, there is the switch. It is a 3 pole switch, and none of the poles are marked. The switch is two position, on and off, and by testing it, I can tell that it turns poles on and off if I power the 3rd pole.
By experimentation, I have found that if I run a powered wire to the top contacts (marked "s") of the two motors in series, and ground via the contact marked (+) on the motors, also in series, and switch the power through the switch, I can run the two at one speed nonsyncronized. This means not using one live pole on the switch and the contact marked "-" on the motors.
If I ground the contact marked (-) and put power to the contact marked (+) on the motors, like you would think it might go, nothing happens.
So, it works for now, but does anyone know the correct way to wire it? Or at least, have diagrams of the switch and motors from a very early Chassis and Body manual? That, at least might help.
Thanks!
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