2nd Gen Non-Engine/Transmission intermittent and low setting not working on my 96 3500 ?

[safety1]

I only have the high setting on my windshield wipers , I have replaced motor as well as switch .Any suggestions ??

 

[Missouri Mule]

Sounds like a resistor went bad. Don't know where it. Thought it was in side multi-function swicth. But could be under dash. Not at home so I don't have my fsm at my finger tips.

 

[B.G. Smith]

The controls for the wipers is located in the multifunction switch as MM suggested. bg

 

[Missouri Mule]

OK, motor apparently has two set of brushes. Low speed brushes and high speed brushes. Check connector to motor and wires. It is possible you got bad motor or bad multi-function switch.
In trouble shooting section. It states to check fuse-you got power so that should be OK. Switch- ? Wiring ? ground- should be Ok you got power. motor-?.
You should be able to run 12 volts/ground to the motor. Should be three pins= ground, slow, fast.(naturally check one speed at a time). if it checks out wiring or switch.


Sorry it took so long to get back to you(early senior moment).