Component Testing
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Ignition Switch
Using the Resistance Test below, check the resistance between the terminals of the ignition switch listed in each switch position listed.
- If any reading is other than specified, replace the ignition switch.
Resistance Test
| Ignition Switch Position | Terminals 6 and 5 | Terminals 6 and 4 | Terminals 4 and 3 | Terminals 4 and 7 |
|---|---|---|---|---|
| Off | Infinite | Infinite | Infinite | Infinite |
| Accessory | Infinite | Infinite | < 5.0 Ohms | Infinite |
| Run | Infinite | Infinite | < 5.0 Ohms | < 5.0 Ohms |
| Start | < 5.0 Ohms | Infinite | Infinite | < 5.0 Ohms |