Rectangular Motor

Fig. 3 Connections to operate rectangular wiper motor independent of vehicle wiring:

On models with pulse wipers, check system operation with pulse control module removed. If problem is eliminated, pulse control is defective. Refer to Fig. 13, to check wiper motor independent of vehicle wiring.



Wiper Inoperative or Intermittent
1. Blown fuse.
2. Open circuit in feed wire (No. 2 terminal on wiper motor).
3. Loose mounting of wiper switch.
4. Open circuit in wire to wiper switch (No. 1 terminal on wiper motor).
5. Defective wiper switch.
6. Poor solder connections at terminal board.
7. Defective wiper motor.

Motor Will Not Shut Off
1. Grounded wire between motor terminal 1 and wiper switch.
2. Defective motor park switch.
3. Defective wiper motor.

Motor Operates At Low Speed Only
1. Defective wiper switch.
2. Grounded wire between motor terminal 3 and wiper switch.
3. Defective wiper motor.

Motor Runs At High Speed Only
1. Defective wiper switch.
2. Open circuit between motor terminal 3 and wiper switch.
3. Defective wiper motor.

Blades Do Not Return To Full Park Position
1. Loose wiper ground strap connection.
2. Defective wiper motor.

High Speed Too Fast
1. Defective wiper motor.