4 Pin Headlight Relay Fuse Module Replacement For Chevy Trailblazer GMC Buick Saab 9 7x Isuzu Pontiac Grand Prix Oldsmobile Bravada Direct Fit Easy Install Durable High Power Surge Resistant Auto Part

GM 4-Pin Headlight Relay Fuse Module - Direct Fit, 1 Pack
✔️ Direct-fit, high-power surge protection, easy install, OEM replacement

This 4-pin headlight relay fuse module is a direct-fit replacement used in a wide range of GM trucks and SUVs. It protects the headlight circuit, stabilizes power to high beams and DRLs, and is designed for a simple plug-and-play installation under the hood fuse box.

✅ Direct replacement for OEM relays such as 15016745, 1R1944, RY560, 13506836, 601-238
✅ Compatible with Chevy Silverado 1500/HD, TrailBlazer, Envoy, Sierra, Grand Prix, and more
✅ High-temperature, oxidation, and corrosion resistant plastic/metal construction
✅ Pack size: 1 headlamp relay per order (1-pack)
✅ Protects headlight system from electrical issues and surge events

💡 What is a headlamp relay module used for in GM vehicles? It’s a handy, direct-fit part that keeps headlights powered correctly by controlling the high-beam and DRL circuits while guarding against electrical surges.
- Improves reliability for night driving
- Replaces failed OEM relays to restore lighting
- Handy upgrade for older or failing headlight systems
- Easy, tool-free install for quick repairs