Switch
Ram technical service bulletin 9003980 for 2019-2025 Ram 1500, 2019-2025 Ram 2500 and 2019-2025 Ram 3500 and others.
- Bulletin number
- 9003980
- Component
- Electrical system
- Summary
- SWITCH Headlamp Before replacing the Headlamp Switch for faulty dimmer operation. Please follow the next steps to corroborate if the Headlamp Switch is malfunctioning: 1.- Please disconnect and reconnect the headlamp Switch. And verify if the issue is corrected. 2.- Review the internal resistance of the switch: a.- For the Right Dimmer (IP) between Pins 6 & 3. The value should be around 5.74 KOhms, when in the lowest position to 311 ohms in the top position (Parade Detent). b.- For the left Dimmer (Ambient Light) between pins 8 & 3. The value should be around 14.52 KOhms, when in the lowest position to 182 ohms in the top position. If a problem is found in the resistor values. Please replace the Switch.
Owners of these vehicles have filed 1,570 complaints in the electrical category.
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