Riviera V6-231 3.8L VIN C SFI (1989)
6.
If light illuminates, check armature, circuit breaker, circuit breaker ground and brushes.
7.
If light does not illuminate, locate and repair open between terminal Nos. 1 and 8 in wiring harness.
8.
If there is continuity between terminal Nos. 1 and 8, check continuity between terminal Nos. 1 and 3 of park switch.
9.
If there is no continuity between terminal Nos. 1 and 3, replace park switch.
No HI Mode Or Blades Cycle In & Out Of Park With Switch In HI
1.
With dash switch on HI, connect test light lead to ground and probe harness terminal No. 9.
2.
If light does not illuminate, locate and repair open in circuit from wiper switch to motor.
3.
If light illuminates, check continuity between terminal Nos. 2 and 3.
4.
If there is no continuity, refer to wiper switch continuity test.
5.
If there is continuity, check for continuity between terminal Nos. 1 and 8.
6.
If there is no continuity, locate and repair open between terminal Nos. 1 and 8 in wiring harness.
7.
If there is continuity, check armature, circuit breaker, circuit breaker ground and brushes.
Blades Cycle In & Out Of Park Position When Wiper Is Off
1.
Check whether motor operates in LO.
2.
If not, refer to No LO Mode.
3.
If motor operates in LO, replace park switch. Problem may also be caused by bent drive pawl or excessive output shaft endplay.
Fig. 12 Permanent Magnet Depressed Park Type Wiper Motor w/Integral Washer Pump
