4-Pin 6189-7599 Waterproof 2mm Female Connector – Yazaki Motorcycle Harness

Direct-fit replacement for Yazaki OEM part number 6189-7599, a 4-pin waterproof 2mm pitch female connector from the Yazaki 2mm series used in motorcycle, scooter, and Japanese OEM automotive harnesses. The 2mm pitch provides a compact, IP68-sealed connection for sensor and low-power circuits in exposed locations.

Key Specifications

• OEM Part Number: 6189-7599
• Pin Count: 4
• Gender: Female (with wire)
• Terminal Pitch: 2mm
• Wire Gauge: 18 AWG (0.5 mm²)
• Wire Length: 5.5 inches (140 mm)
• Waterproof Rating: IP68
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 8A per pin

Applications

• Honda, Yamaha, Kawasaki, Suzuki motorcycle sensor harnesses
• Scooter ECU and instrument cluster wiring
• ABS wheel speed sensor connectors
• Fuel injection sensor harness connections
• ATV and quad bike multi-circuit connectors

Yazaki 6188/6189 Series – Part Number Logic

• 6188-XXXX: Male plug housing (pin contacts)
• 6189-XXXX: Female socket housing (socket contacts)
• Used across Honda, Yamaha, Toyota, and Nissan OEM harnesses

Frequently Asked Questions

Q: What is the mating male connector for 6189-7599?
A: The mating male plug is 6188-7599 (4-pin male, same 2mm series). In the Yazaki 6188/6189 series, 6188 always denotes the male plug and 6189 always denotes the female socket.

Q: Are Yazaki 2mm connectors compatible with Sumitomo connectors?
A: No. Yazaki and Sumitomo use different terminal designs and are not interchangeable even at similar pitches. Always match the OEM part number.

Q: What crimping tool is needed?
A: Use a ratchet crimper for 0.5mm² (18 AWG) Yazaki terminals – Hozan P-706 or Engineer PA-09.

Package Contents

1 × 4-Pin Female Connector (6189-7599) with 18 AWG wire and terminal insert