

⚡ Kill Switch Upgrade: Power, Precision, and Protection in One Kit!
The Main Relay Conversion Kit with Kill Switch is a high-efficiency, ultra-low impedance electrical relay designed as a direct OE replacement for select Honda models (1990-2002). Featuring premium insulating materials and high strand count copper cores, it ensures reliable performance and durability. Easy to install with a plug-and-play design, it comes with 24/7 customer support, a 30-day return policy, and a 12-month warranty for complete confidence.





| ASIN | B0CMLFVDXN |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 367,542 in Automotive ( See Top 100 in Automotive ) 1,529 in Car Relays |
| Customer Reviews | 4.0 4.0 out of 5 stars (35) |
| Date First Available | 22 Nov. 2023 |
| Included components | Main Relay Conversion Kit with Kill Switch |
| Item Package Quantity | 1 |
| Item Weight | 168 g |
| Item model number | Main Relay Conversion Kit &Kill Switch |
| Manufacturer | Farpida |
| Measurement System | Number |
| Part number | 39400-S10-003, 39400-SR3-003 |
| Plug profile | Socket Mount |
| Product Dimensions | 7.62 x 7.62 x 5.03 cm; 168 g |
| Specification met | OE |
M**M
Works as it should no problems yet!
M**Y
Works like how it should, plug and play. No issues at all. Just good.
O**O
I bought this kit to replace the battery disconnect switch that I previously installed as a theft prevention. But that kept resetting my radio unit every time I activated it. So I went with this main relay conversion kit. Super easy to install. There’s videos on YouTube if you’re unsure how to install it. It’s inexpensive and works as it should. Hopefully my son’s vehicle doesn’t get stolen anymore.
J**N
Stopped working after one month
H**.
Great product for the price. Very easy to install, fit perfect for my car with little modification. Seems like a durable kill switch. Does what it's supposed to, kills the motor.
Trustpilot
2 months ago
3 weeks ago