Best Relay Fuses for Headlights: Top 5 4-Pin Headlight Relays for GM Vehicles
Choosing a reliable 4-pin headlight relay can prevent flickering, misfiring, and daytime running light issues. The following picks are 4-pin headlight relays commonly used with GM, Buick, GMC, Chevy, and similar models. Each entry includes compatibility notes, construction quality, and installation considerations to help you compare options quickly.
Quick Reference: Chosen Products
| Product | Brand |
|---|---|
| 15016745 4-Pin Headlight Relay Module (Fit4drive) | Fit4drive |
| 15016745 4-Pin Headlight A/C Relay (Besttruck) | besttruck |
| 4 Pcs 601-218 15016745 Multi-Purpose Relay (Chaseroad) | chaseroad |
| 2 Pack High Power 4 Pin Fuse Box Relay 13500114/8385 (JOINAP) | JOINAP |
| (Pack of 2) Relay 15016745, 601-218 RY560 4-Pin (Casalytics) | Casalytics |
Fit4drive 15016745 4-Pin Headlight Relay Module
The Fit4drive 15016745 4-Pin Headlight Relay Module is designed as a direct replacement for the original headlight relay in many GM- and non-GM-family vehicles. It replaces OEM part numbers and matches the factory 4-pin configuration, enabling straightforward installation under the hood. The unit is described as robust, with plastic and metal construction built to withstand high temperatures and resist oxidation and electrical corrosion. It’s positioned to resolve headlight flicker, relay failures, and related lighting issues by delivering reliable switching for headlamps and associated circuits.
Besttruck 15016745 4-Pin Headlight A/C Relay
This Besttruck relay targets GM models and similar brands, addressing headlight high/low beam issues, DRL behavior, and potential fan-clutch concerns. It uses a thermosetting plastic body with a silver-copper alloy contact set to withstand heat and oxidation. The documentation emphasizes compatibility with GM vehicles and nearby models, ensuring the relay integrates with existing harnesses and fuse boxes. The unit is described as a practical, multi-vehicle solution that helps ensure consistent headlight operation across driving scenarios.
Chaseroad 4 Pcs 601-218 15016745 Multi-Purpose Relay
Chaseroad offers a set of four 601-218 15016745 relays intended for multiple GM, Chevrolet, and Buick models. The listing highlights OEM-number compatibility (15016745, 1R1944, RY560, 601-218, 13506836) to ensure the replacement matches the vehicle’s electrical system. These relays are pitched as replacements for headlamp and related circuits, with emphasis on seamless installation and reliable operation to maintain lighting performance and vehicle visibility in night driving conditions.
JOINAP 2 Pack High Power 4 Pin Relay
JOINAP provides a two-pack of OEM-GM compatible 4-pin relays (13500114/8385) designed to handle headlight circuits and related electrical systems. The product stresses high-temperature tolerance, corrosion resistance, and durable construction to support long service life. It is positioned as a suitable replacement for aging or failing relays in GM-based vehicles, with emphasis on stability for headlight functionality and related electronic controls in various GM configurations.
Casalytics Pack: 2Pcs 15016745 4-Pin Relay
Casalytics offers a two-pack of 15016745 4-Pin headlight relays compatible with Chevrolet, GMC, and Buick vehicles. The relays match OEM part numbers, including 15016745 and 13506836, ensuring reliable cross-compatibility with the vehicle’s electrical system. The product is positioned as an easy, direct replacement that helps resolve headlight and related circuit issues by restoring proper relay operation under hood conditions.
Casalytics 2Pcs 15016745 601-218 4-Pin Relay
This Casalytics listing features a two-pack of 15016745 4-pin headlight relays designed for Chevrolet, GMC, and Buick models. It emphasizes OEM compatibility with part numbers including 15016745, 1R1944, RY560, and 13506836, ensuring straightforward swaps in existing electrical setups. The relays are marketed as direct replacements for the #46 fuse/relay position in the under-hood fuse box, aiding in restoring reliable headlight operation and related circuits.
Hihaha No.15016745 Headlamp Relay
The Hihaha relay is listed for Chevrolet Silverado and GMC Sierra models from 2002-2014, with compatibility for multiple GM light systems. It notes OE numbers 15016745 and 13506836. The construction emphasizes a sturdy blend of plastic and metal to withstand heat and environmental stress, aimed at ensuring durable headlamp relay performance and consistent lighting output across driving conditions.
Buying Guide: Headlight Relay Considerations
- Vehicle compatibility: Verify OEM part numbers (such as 15016745, 1R1944, RY560, 13506836) and ensure the relay matches your car’s fuse box layout and connector type.
- Electrical specifications: Look for high-temperature resistance and corrosion resistance to withstand under-hood conditions and long-term operation.
- Material quality: A combination of durable plastic housing and metal contacts (often silver-copper alloy) supports reliable switching and longevity.
- Installation ease: Direct replacements that plug into the existing #46 relay position typically require no wiring modifications; easy swap is ideal for DIYers.
- Multi-vehicle applicability: If you own or service several GM-family vehicles, multi-pack relays can reduce part inventories and simplify maintenance.
- Quality vs. price: Compare components based on permanence of connections, resistance to electrical noise, and documented compatibility rather than price alone.
- Warranty and return policy: Favor sellers offering clear warranties and return options, especially for automotive electrical parts.
- Installation environment: Consider relays with robust sealing and protective measures if the engine bay is exposed to dirt, moisture, or road salts.