6-Pin 1.2mm Unsealed Male & Female Connector – Motorcycle Harness MG643002 / 7283-5982

Direct-fit replacement for part numbers MG643002 (Sumitomo) and 7283-5982 (Yazaki), a 6-pin 1.2mm pitch unsealed connector set used in motorcycle ECU sub-harness, instrument cluster, and body control signal circuits. Both part numbers reference the same connector family used across Japanese motorcycle OEM platforms.

Key Specifications

• Part Numbers: MG643002 (Sumitomo) / 7283-5982 (Yazaki)
• Pin Count: 6
• Gender: Male & Female set (with wire)
• Terminal Pitch: 1.2mm
• Wire Gauge: 22 AWG (0.3 mm²)
• Wire Length: 5.5 inches (140 mm)
• Sealing: Unsealed (interior / protected harness location)
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 3A per pin (signal circuits)

Pin Assignment Reference (6-Pin ECU Sub-Harness)

Note: Verify pin assignment with motorcycle-specific wiring diagram before installation.

MG643002 vs 7283-5982 – Sumitomo vs Yazaki Cross-Reference

MG643002 is the Sumitomo part number; 7283-5982 is the Yazaki equivalent. Both connectors share the same 1.2mm pitch 6-pin housing format and are used interchangeably across Honda, Yamaha, Kawasaki, and Suzuki motorcycle platforms. Confirm the housing profile matches your motorcycle's harness before installation.

Compatible Applications

• Honda: ECU sub-harness and instrument cluster signal connectors
• Yamaha: Body control and sensor signal harness connectors
• Kawasaki / Suzuki: ECU data bus and sensor harness connectors

Diagnosis – Common Faults

• Intermittent ECU fault codes: Inspect 1.2mm terminal contact pressure – micro-terminals are prone to spread from vibration, causing intermittent open-circuit faults
• No TPS or IAT signal: Check terminal insertion depth – a partially inserted 1.2mm terminal makes intermittent contact and causes erratic sensor readings

FAQ

Q: Are MG643002 and 7283-5982 interchangeable?
A: Yes – MG643002 (Sumitomo) and 7283-5982 (Yazaki) are cross-reference part numbers for the same 1.2mm pitch 6-pin connector family. Both are used across Japanese motorcycle OEM platforms and are functionally interchangeable.

Package Contents

1 × 6-Pin Male Connector + 1 × 6-Pin Female Connector (MG643002 / 7283-5982), each with 22 AWG wire and terminal insert