Wiper Motor Replacement - GMC G Service Manual

8A-40 CAB ELECTRICAL

WIPER MOTOR REPLACEMENT

R/V MODELS
M Remove or Disconnect (Figure 42)
• Wiper motor must be in the park position.
1. Battery ground cable from the battery.
2. Electrical harness connectors (37 and 39) from the
wiper motor.
3. Drive rod (34) from the wiper motor crank arm (36).
• Reach down through the access hole (32) in the
plenum and loosen the wiper drive rod attaching
nuts (33) before removing the drive rod (34).
4. Wiper motor to dash panel attaching screws (30).
5. Wiper motor.
H Install or Connect (Figure 42)
1. Wiper motor.
2. Wiper motor to dash panel attaching screws (30).
3. Drive rod (34) to the wiper motor crank arm (36).
• Lubricate the wiper motor crank arm pivot ball
(35) prior to installing the drive rod (34).
4. Electrical harness connectors (37 and 39) to the
wiper motor.
5. Battery ground cable to the battery.
30. Screw
31. Seal
Drive Rod Retaining Cup Nuts
33.
34. Drive Rod
Crank Arm Pivot Ball
35.
Crank Arm
36.
Motor Connector
37.
Wiper Motor Harness
38.
Park Switch Connector
39.
G-VAN
H
• Wiper motor must be in the park position.
1. Battery ground cable from the battery
2. Wiper arms.
3. Cowl panel cover.
4. Drive bar (34) from the wiper motor crank arm (36).
5. Electrical harness connectors (37 and 39) from the
6. Left dash defroster outlet from the flex hose.
7. Screw securing the left hand heater duct to the
8. Heater duct down and out.
9. Three screws (30) securing the wiper motor to the
10. Wiper motor.
M
1. Wiper motor.
3. Heater duct in and up.
4. Screw securing the left hand heater duct to the
Figure 43 — Van Wiper Motor Mounting
Remove or Disconnect (Figure 43)
• Loosen nuts (33) holding the drive bar (34) to
the wiper motor crank arm (36) and remove the
drive bar (34).
wiper motor.
engine cover shroud.
cowl.
Install or Connect (Figure 43)
2. Three screws (30) securing the wiper motor to
the cowl.
engine cover shroud.
F-00747