Collection: Auto - Kill Switch

Protect your vehicle from theft and prevent battery drain with our selection of Auto Kill Switch components. At DIY Customs, we provide high-amperage master battery disconnect switches, durable hidden anti-theft toggle switches, specialized ignition cutoff relays, and heavy-duty racing "kill-all" switches designed for a perfect fit. Whether you are adding a layer of security to your project car, meeting safety requirements for track days, or preserving the battery life of your seasonal classic during storage, our professional-grade hardware offers the reliability and peace of mind you need at unbeatable prices. From specialized key-operated cutoff switches and wireless remote kill kits to heavy-duty terminal-mount disconnects, we carry the essential gear for every security level. Don't see the specific amperage rating, mounting style (flush/surface), or specialized anti-theft device for your vehicle? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!