12 VOLT RELAY

Fire Power 12 Volt Relay — Reliable 40A Automotive Relay

Upgrade your vehicle’s electrical system with the Fire Power 12 Volt Relay. Engineered for dependable performance, this 4‑terminal, 40 amp relay delivers consistent power management for high-demand accessories like lighting, horns, fans, and more.

• Voltage/Current: 12V DC, 40A
• Terminals: 4-pin standard automotive relay
• Terminal Size: 1/4" (6.35 mm) spade connectors
• Use Cases: Auxiliary lights, LED bars, horns, compressors, pumps, cooling fans
• Benefits: Protects switches, reduces voltage drop, improves accessory reliability

Simple Wiring Pinout

• 30: 12V (+) fused power in from battery or main power source
• 85: Ground (−)
• 86: 12V (+) trigger from accessory switch
• 87: 12V (+) power out to accessory

Designed for straightforward installation with universal fitment, this relay features robust contacts and durable construction for long service life in automotive, powersports, marine, and off-road applications.

Choose the Fire Power 12 Volt Relay for clean, safe, and efficient power distribution to your accessories.