Component Testing
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Ignition Switch
- Ignition OFF, disconnect the harness connector at the ignition switch.
- Verify the resistance between the terminals listed below match for each ignition switch position.
- If not the specified value, replace the ignition switch.
Resistance Test
| Ignition Switch Position | Terminals 2 and 4 | Terminals 3 and 4 | Terminals 4 and 5 | Terminals 4 and 6 | Terminals 5 and 6 |
|---|---|---|---|---|---|
| Off Key Out | Infinite | Infinite | Infinite | Infinite | Infinite |
| Off Key IN | Infinite | Infinite | < 5.0 Ω | Infinite | Infinite |
| Accessory | Infinite | < 5.0 Ω | Infinite | Infinite | Infinite |
| Run | < 5.0 Ω | < 5.0 Ω | Infinite | Infinite | < 5.0 Ω |
| Start | < 5.0 Ω | Infinite | Infinite | Infinite | 1275-1325 Ω |