4-Pin 7122-2446 Yazaki Unsealed Male Connector – Relay Socket & AC Assembly Automotive Harness

Direct-fit replacement for Yazaki OEM part number 7122-2446, the 4-pin male plug counterpart to the female socket 7123-2446. Together they form a complete 4-pin relay socket harness set used for AC assembly and automotive modification wiring on Japanese OEM vehicles.

Key Specifications

• OEM Part Number: 7122-2446 (male plug)
• Mating Female: 7123-2446
• Pin Count: 4
• Gender: Male plug (with wire)
• Seal Type: Unsealed
• Wire Gauge: 18 AWG (0.5 mm²)
• Wire Length: 5.5 inches (140 mm)
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 20A per pin

ISO 280 Relay Pin Assignment

Applications

• AC compressor relay harness (male plug side)
• Cooling fan relay output connector
• Fuel pump relay harness connection
• Automotive modification – custom relay harness integration
• Aftermarket accessory relay wiring

FAQ

Q: What is the mating female connector for 7122-2446?
A: The mating female socket is 7123-2446 (4-pin female, same Yazaki 7122/7123 series).

Q: What wire gauge should I use for relay output circuits?
A: Use 14 AWG (2.0 mm²) for relay output circuits up to 20A. The pre-installed 18 AWG wire is suitable for the relay coil circuit (pins 85/86) which draws less than 0.2A.

Package Contents

1 × 4-Pin Male Connector (7122-2446) with 18 AWG wire and terminal insert