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6189-7106 / 6188-4871 Sumitomo 33-Pin 0.6mm Waterproof ECU Connector — Male Female Sealed Plug with Terminals
6189-7106 / 6188-4871 Sumitomo 33-Pin 0.6mm Waterproof ECU Connector Male Female Sealed Plug with Terminals
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6189-7106 / 6188-4871 Sumitomo 33-Pin 0.6mm Waterproof ECU Connector
The 6189-7106 (housing) and 6188-4871 (terminal) are Sumitomo Electric 33-pin 0.6mm waterproof ECU connector components for Toyota, Honda, and affiliated OEM wiring harness applications. The 0.6mm terminal pitch provides high pin density in a compact sealed housing, while the waterproof design with individual wire seals ensures reliable ECU signal integrity in underhood environments subject to moisture and temperature cycling. A direct OEM-compatible replacement for Sumitomo-harness ECU connectors.
Key Specifications
| Parameter | Value |
|---|---|
| OEM Part Numbers | 6189-7106 (housing) / 6188-4871 (terminal) |
| Manufacturer | Sumitomo Electric |
| Pin Count | 33-pin |
| Terminal Pitch | 0.6mm |
| Sealing | Waterproof (sealed + wire seals) |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Wire Range | 0.13–0.35mm² (26–22 AWG) |
| Operating Temperature | -40°C to +125°C |
| Compatible Platforms | Toyota, Honda, Daihatsu (Sumitomo harness) |
| Compliance | RoHS |
Sumitomo 0.6mm Sealed ECU Connector System
- Sumitomo OEM standard — Sumitomo Electric supplies ECU wiring harnesses to Toyota, Honda, Nissan, and many other OEMs; the 6189/6188 series is the standard sealed ECU connector system
- 0.6mm pitch for 33-pin density — ultra-fine pitch allows 33 circuits in a compact housing; used for ECU signal, CAN bus, sensor input, and actuator output circuits
- Waterproof sealed design — individual wire seals (6188-4871) on each terminal provide IP67 moisture protection; critical for underhood ECU connectors
- Precision micro-terminals — 0.6mm terminals require precision crimping tools; improper crimping is the leading cause of ECU connector failure
Typical Applications
- Toyota / Honda ECU connector repair (engine management, transmission control)
- Body Control Module (BCM) connector replacement on Sumitomo-harness vehicles
- ABS/ESP module connector repair
- Instrument cluster connector replacement
Frequently Asked Questions
Q: How do I identify if my ECU uses Sumitomo 6189-series connectors?
Look for the Sumitomo logo or part number stamped on the connector housing. Sumitomo ECU connectors typically have a part number starting with 6189 (housing) or 6188 (terminal). Alternatively, consult your vehicle’s wiring diagram or the Toyota/Honda EPC (Electronic Parts Catalog) for the connector part number.
Q: What happens if I use the wrong terminal pitch in an ECU connector?
Using a terminal with incorrect pitch in an ECU housing will result in improper terminal seating, incorrect pin spacing, and potential short circuits between adjacent terminals. Always verify the terminal pitch matches the housing specification before assembly. For 0.6mm pitch connectors, even a 0.1mm pitch difference will prevent proper terminal insertion.
