High-Grade Engine Bay Control Relay ⚡

This compact switch powers up key systems like ignition, fuel pump, ECU, fans, or starter circuit. It protects modules from heavy current and delivers clean 12V power on demand. If your Infiniti/Nissan family vehicle needs reliable switching under load, this OEM-grade relay is the right replacement. It restores stable starts, smooth idle, and proper cooling and charging performance.

How it works

Inside is a 12V coil and a pair of contacts. When the ECU or key signal energizes the coil, the armature closes the contacts and sends battery power to the assigned circuit. The housing resists heat and vibration, while plated contacts reduce arcing. It’s plug-and-play in the under-hood fuse/relay box for quick service.

What happens if it fails ❗

Stuck open: no start, fuel pump inoperative, dead fans, or random shut-offs. Stuck closed: battery drain, overheating fans, or warning lights. Intermittent: rough drive, long crank, or stalling when hot. Prolonged use of a bad relay can stress pumps, coils, and wiring. Replace at first signs: clicking without crank, burnt smell, or heat at the socket.

Tech tip ✅

Check fuses and grounds, verify control signal and output with a test light, and inspect for corrosion. Always match pin layout and rating.

Compatibility

• M35/45
• Qx60 Hybrid
• Qx50/Ex
• Q40/G Sedan
• Q60/G Convertible
• Q60/G Coupe
• Qx60/Jx
• Qx70/Fx
• Qx80/Qx56
• G37 Sedan