Component Testing Procedure
WARNING: This page is about a different car, the 2005 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
WIPER/WASHER SWITCH (17A553) - COMPONENT TESTING PROCEDURE (1 OF 2)
| Circuit to test | Connect ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Washer switch circuit | 2 and 5 | Washer switch depressed | Closed circuit |
| Wiper switch circuit, high/low | 12 and 2 | Low | Closed circuit |
| 6 and 2 | |||
| 4 and 2 | Low | Open circuit | |
| 1 and 2 | |||
| 6 and 2 | High | Closed circuit | |
| 12 and 2 | |||
| 4 and 2 | |||
| 1 and 2 | High | Open circuit |
WIPER/WASHER SWITCH (17A553) - COMPONENT TESTING PROCEDURE (2 OF 2)
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Intermittent wiper circuit | 6 and 2 | Detent 1 | Closed circuit |
| 1 and 2 | Open circuit | ||
| 12 and 2 | Open circuit | ||
| 6 and 2 | Detent 2 | Closed circuit | |
| 1 and 2 | Closed circuit | ||
| 12 and 2 | Open circuit | ||
| 6 and 2 | Detent 3 | Open circuit | |
| 1 and 2 | Closed circuit | ||
| 12 and 2 | Open circuit | ||
| 6 and 2 | Detent 4 | Open circuit | |
| 1 and 2 | Closed circuit | ||
| 12 and 2 | Closed circuit | ||
| 6 and 2 | Detent 5 | Open circuit | |
| 1 and 2 | Open circuit | ||
| 12 and 2 | Closed circuit | ||
| 4 and 2 | Off | Open circuit | |
| 6 and 2 | |||
| 1 and 2 | |||
| 12 and 2 |