SYSTEM TESTS
| Symptom | Perform Test |
|---|---|
| Both Power Windows Do Not Operate - Pickup | A |
| Power Window Left Dose Not Operate Or Only Goes In One Direction - Pickup | B |
| Power Window Right Only Operates From Driver's Side Window Switch - Pickup | C |
| Power Window Right Dose Not Operate From Either Switch - Pickup | D |
| Power Window Do Not Operate From Driver's Side Window Switch - Suburban, Crew Cab & Utility | E |
| Power Windows Only Operate From Driver's Side Window Switch - Suburban, Crew Cab & Utility | F |
| Power Window Switch Illumination Lamp(s) Do Not Light | G |
| Power Windows Do Not Operate Or Only Go In One Direction - Suburban, Crew Cab & Utility | H |
SYMPTOM INDEX
Check condition of ACC/IGN circuit breaker. If circuit breaker is in good condition, use the following diagnostic procedures. (Scheme 27)
Scheme 27
WATER DEFLECTOR
Water deflectors are used to seal the door inner panel and prevent water from entering into the body. The deflector is secured with a self sealing adhesive. see scheme 25
WINDOW GLASS
| CAUTION | Always wear heavy gloves when handling glass to avoid the risk of personal injury. |
For window replacement see scheme 21, see scheme 26 and see scheme 27.
WINDOW REGULATOR
Note. The power window motor is not serviced. It is replaced as a unit with the regulator.
WINDOW RUN CHANNEL WEATHERSTRIP
Roll down the window. Remove window run channel weatherstrip by pulling weatherstrip from front or rear channel runs. Install window run channel weatherstrip by sliding it between run channel and glass.
