best way to bench test a wiper motor
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Fleet Owner
Joined: Dec 2000
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From: Central PA
best way to bench test a wiper motor
I have a couple of good used Galaxie wiper motors that I want to sell. I know if I could say they work I'd have an easier time selling them. How can I test them to see if they work?
The engineering number on the motor is: C5AF 17504 B. Is this a two speed wiper?
I also have a Trico vacuum wiper that has this number on it: CSMP 101-2. Does anyone know what this is to? How would I bench test this one?
thanks!
The engineering number on the motor is: C5AF 17504 B. Is this a two speed wiper?
I also have a Trico vacuum wiper that has this number on it: CSMP 101-2. Does anyone know what this is to? How would I bench test this one?
thanks!
Logistics Pro
Joined: Sep 2014
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From: Bothell & Silverdale, WA
Abe, I don't know anything about the Galaxy motors (electric?), but for the Trico motor I'd just run a vacuum tube with a valve from one of your trucks. I remember that some of the Trico motors had their own valve though.
The Trico motor is a prime example of my post in another thread. It could be a non-proprietary part that fits many vehicles.
The Trico motor is a prime example of my post in another thread. It could be a non-proprietary part that fits many vehicles.
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Fleet Owner
Joined: Dec 2000
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From: Central PA
The part number prefix is C5AF which means it is for a 65 Galaxie or full sized Ford car. It maybe also for a 66.
Mountain Pass
Joined: Jun 2017
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From: Manitoba,Canada
Abe, I don't know anything about the Galaxy motors (electric?), but for the Trico motor I'd just run a vacuum tube with a valve from one of your trucks. I remember that some of the Trico motors had their own valve though.
The Trico motor is a prime example of my post in another thread. It could be a non-proprietary part that fits many vehicles.
The Trico motor is a prime example of my post in another thread. It could be a non-proprietary part that fits many vehicles.
. I pulled the vacuum motor took it apart, cleaned it and hooked it up to the intake vacuum on my toyota which is supposed to be 18-22 hg. Everything seems to be working. Brent
Mountain Pass
Joined: Jun 2017
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From: Manitoba,Canada
I guess videos don't link the same way as photos. But really there is a vacuum motor going back and forth.
Last edited by Tul01; Mar 3, 2018 at 06:30 PM. Reason: video won't play
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Senior User
Joined: Oct 2016
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From: Dover, NC
All the older wiper motors I have worked on are generally the same. They have a ground wire (usually black) and two power wires (one low, one high). Most have another wire that is used for the park feature. The park feature is hard to test without a switch. I usally take a spare battery I have and (with jumpers) attach the ground to black led on the motor and touch the colored leads with the positive jumper until I get movement. As I said with this method one of the leads will do nothing, this is the park.
Hope it hepls
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Laughing Gas
Joined: May 2010
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From: Wharton, PA
Ok from what I know of wiper motors after wiring up one for my truck.
Most likely the Single black wire is the ground. Of the other 4 I can't find any diagrams, but one wire goes to low speed, one goes to high speed and the other 2 are for park and are controlled thru the switch. If you have a 12 volt power source attach the Neg to the black wire and touch each of the other wires to the Pos side. Nothing will happen with the two park wires, Of the other two one is high one is low speed..
You can test the park by momentarily operating the motor so it is out of the park range then disconnect the wire, Attach the pos to one of the park wires and using either the high or low touch it to the other park wire. The motor will spin till it gets to park.
It took me a while to figure out how to wire a Jeep Cherokee wiper motor to a Ford F150 wiper switch.
Most likely the Single black wire is the ground. Of the other 4 I can't find any diagrams, but one wire goes to low speed, one goes to high speed and the other 2 are for park and are controlled thru the switch. If you have a 12 volt power source attach the Neg to the black wire and touch each of the other wires to the Pos side. Nothing will happen with the two park wires, Of the other two one is high one is low speed..
You can test the park by momentarily operating the motor so it is out of the park range then disconnect the wire, Attach the pos to one of the park wires and using either the high or low touch it to the other park wire. The motor will spin till it gets to park.
It took me a while to figure out how to wire a Jeep Cherokee wiper motor to a Ford F150 wiper switch.
Senior User
Joined: Oct 2016
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From: Dover, NC
In my opinion, you should be safe. I have never seen a motor that black is not the ground. As long as black is connected to the battery ground, where you touch the pos lead (other wires) should not do any damage to the motor.
Senior User
Joined: Feb 2011
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From: Huntsville, Al
Abe, here's a wiring diagram that might help
Marvellous 1966 Ford Wiper Motor Wiring Diagram Images - Best Image Wire - binvm.us
It's for a 66 but it should give you a lead to start
Marvellous 1966 Ford Wiper Motor Wiring Diagram Images - Best Image Wire - binvm.us
It's for a 66 but it should give you a lead to start
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Fleet Owner
Joined: Dec 2000
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From: Central PA
Abe, here's a wiring diagram that might help
Marvellous 1966 Ford Wiper Motor Wiring Diagram Images - Best Image Wire - binvm.us
It's for a 66 but it should give you a lead to start
Marvellous 1966 Ford Wiper Motor Wiring Diagram Images - Best Image Wire - binvm.us
It's for a 66 but it should give you a lead to start
I attached the black, which we believe is the ground to the negative post, and then touched the positive lead to each of the other 4 terminals. The two with male ends did nothing so they must be park. The two with the female terminals gave off sparks. I saw no movement of the wiper.
Looking at the diagram, which is so small its hard to read, it looks like there is a in-line fuse.
What should I do next?
I think one of the wires is for a connection to the washer pump motor.
Senior User
Joined: Feb 2011
Posts: 298
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From: Huntsville, Al
I can't tell the exact color of the wires on your motor but here's a better diagram from Motors manual-
http://vintage.mitchell1.com/PClubDa.../V2D775136.pdf
Keep in mind that the Body of the motor is the ground to the chassie, I believe the separate BLK wire is the ground for the park circuit which is internal. I'll Try to locate my earlier manuals this evening when I get off work but the one above should give you enough info' for testing.
http://vintage.mitchell1.com/PClubDa.../V2D775136.pdf
Keep in mind that the Body of the motor is the ground to the chassie, I believe the separate BLK wire is the ground for the park circuit which is internal. I'll Try to locate my earlier manuals this evening when I get off work but the one above should give you enough info' for testing.