






🎯 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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