






🎯 Upgrade your ride with GM Genuine precision – never miss a dim moment!
The GM Genuine Parts D808 Headlamp Dimmer Switch is a premium, metal-constructed rotary switch designed to handle 20 Amps at 5 Volts. Engineered by ACDelco to meet exact OEM standards, it guarantees reliable, smooth headlamp dimming and a perfect fit for your vehicle’s panel mount setup.





| Operation Mode | ON-OFF |
| Current Rating | 20 Amps |
| Operating Voltage | 5 Volts |
| Contact Type | Normally Open |
| Connector Type | Crimp |
| Brand | General Motors |
| Terminal | Screw |
| Item dimensions L x W x H | 2.9 x 2.8 x 2.7 inches |
| Circuit Type | 1-way |
| Mounting Type | Panel Mount |
| Actuator Type | Rotary |
| Contact Material | Metal |
| International Protection Rating | IP00 |
| Number of Positions | 1 |
| Control Method | Touch |
| Connectivity Protocol | X-10 |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Global Trade Identification Number | 00036666256277, 30036666256278 |
| Manufacturer | ACDelco |
| UPC | 036666256277 |
| Model | Headlamp Dimmer Switch |
| Item Weight | 2.46 ounces |
| Product Dimensions | 2.9 x 2.8 x 2.7 inches |
| Item model number | D808 |
| Exterior | Machined |
| Manufacturer Part Number | D808 |
| OEM Part Number | 12338706 |
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