Wiper switch or motor

[Vanderstel]

I don't know if my wiper switch (it have it out of the car) or the motor is bad.

See attached photo, can I apply power to one of these connectors to see if my motor is working? I'd like to verify the motor works before I spend $$$ on a switch.

The switch does operate the washer motor.

Picture of switch attached as a reference.

 

[493 Mike]

Do you have a FSM for the car? They provide service info you need.
Mike

 

[Vanderstel]

Service manual, yes. I'll check it. But I thought I'd take the easy way out and post here ;)

 

[Vanderstel]

I did confirm the bottom connector is ground.

 

[59pwrwgn]

I think you have to have the switch body grounded to the car to test the system.

 

[Nacho-RT74]

Yes, switch needs to be grounded to test the system.

 

[devinism]

I did confirm the bottom connector is ground.

None of the terminals on the switch have a ground wire connected to them!
To test switch :

B and 70-71 E 3speed / variable

Off :
B to BU
BU to P
A to F2
F1 to case

Low :
B to BU
BU to A
A to F1
F2 to case

Med :
B to BU
BU to A
A to F1
F2 to Case

High :
B to BU
BU to A
A to F1
F2 to case


To test 3 speed motor

(1) Disconnect motor leads at bulkhead disconnect.
Connect jumper wire from battery positive terminal to brown and red leads in bulkhead disconnect.
Connect a second jumper from the green lead to ground. (The ground circuit is completed through the car body). The motor should run continuously.

Disconnect leads.
(2) Connect jumper wire from green lead to brown lead. Connect red lead to ground. Connect third jumper wire from battery positive terminal to blue lead. The wiper should run to the park position.

I hope this helps

 

[Vanderstel]

Thanks all, I've got it working. I think the metal plate with all the connectors in the switch housing was too loose, I tighten things up and it's good!

 

[WileE]