Center High Mount Stop Lamp (CHMSL) with Integrated Dome Light for Truck Caps and Toppers
This 10-inch flush mount LED third brake light combines safety and convenience with an integrated 12V interior dome light. Designed for Century, Ranch, and compatible truck caps, toppers, and camper shells. The dual-function design features 6 powerful LED brake lights plus a separate interior cargo lamp with easy on/off switch.
Key Features:
- 6 ultra-bright LED lights for maximum brake light visibility and safety
- Integrated 12V pass-through interior cargo lamp with power on/off switch
- Screwless front lens assembly - fasteners install through rear cover for clean appearance
- Injection molded interior cover with flange to conceal rough opening
- Low profile design - less than 1 3/4" (1.75") high
- 30-degree flush mount installation
- High-impact polycarbonate lens for durability
- OEM quality construction - meets applicable SAE requirements
- Long LED lifespan reduces maintenance and replacement costs
- Convenient interior lighting eliminates need for separate dome light installation
Application: Compatible with Century and Ranch truck caps, plus other truck cap brands using this mounting configuration. Also suitable for RVs, campers, and trailers requiring a flush mount third brake light with interior lighting.
Specifications:
- Length: 10 inches
- Height: Less than 1.75 inches
- LED Count: 6 LEDs (brake light)
- Mount Type: Flush mount (30-degree)
- Brake Light Color: Red
- Interior Dome Light: 12V pass-through with on/off switch
- Wiring: Requires 12V connection for both brake and dome light functions
Choosing Between Models:
| Feature | AT-LED 28X30-01 | AT-LED 28X30-03 (This Model) |
| Brake Light LEDs |
6 LEDs |
6 LEDs |
| Interior Dome Light |
No |
Yes (12V with switch) |
| Primary Compatibility |
Jason truck caps |
Century & Ranch truck caps |
| Wiring Required |
Brake light only |
12V for both functions |
| Best For |
Simple replacement |
Added interior lighting |
| View Product |
AT-LED 28X30-01 |
Current Product |
What's Included:
- LED brake light assembly with integrated dome light
- Interior cover with mounting flange
- Installation hardware
Important: Please measure your existing light opening before ordering to ensure proper fit. This model requires 12V wiring for both the brake light and dome light functions. If you need assistance determining compatibility or wiring requirements, please contact us with your truck cap brand, model, and year.
Note: This model (AT-LED 28X30-03) includes both brake light and integrated 12V dome light. For a brake light only version without the dome light feature, see part number AT-LED 28X30-01.