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174657-2 / 174655-2 / 174656-7 Automotive 10-Pin Waterproof Connector — AMP Male Plug Female Socket
174657-2 / 174655-2 / 174656-7 Automotive 10-Pin Waterproof Connector AMP Male Plug Female Socket
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174657-2 / 174655-2 / 174656-7 Automotive 10-Pin Waterproof Connector — AMP Series
The 174657-2, 174655-2, and 174656-7 are 10-pin waterproof automotive connector components from the AMP (TE Connectivity) series, used in sealed wiring harness applications across multiple vehicle platforms. These part numbers represent male plug, female socket, and terminal variants within the same 10-pin sealed connector family. AMP (now TE Connectivity) sealed connectors are used by Ford, GM, VW, Toyota, and many other OEMs for underhood and chassis wiring harness applications requiring moisture protection.
Key Specifications
| Parameter | Value |
|---|---|
| Part Numbers | 174657-2 (male) / 174655-2 (female) / 174656-7 (terminal) |
| Manufacturer | AMP / TE Connectivity |
| Pin Count | 10-pin |
| Sealing | Waterproof (sealed housing + wire seals) |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Operating Temperature | -40°C to +125°C |
| Compliance | RoHS |
AMP / TE Connectivity Sealed Connector System
- AMP (TE Connectivity) OEM standard — AMP sealed connectors are used across Ford, GM, VW, Toyota, and many other OEM platforms for underhood and chassis wiring harness applications
- Three-component system — the 174657-2 (male housing), 174655-2 (female housing), and 174656-7 (terminal) form a complete sealed connector assembly; all three components must be compatible for a reliable sealed connection
- Waterproof sealed design — individual wire seals on each terminal provide IP67-equivalent moisture protection for underbody and chassis applications
- Multi-platform compatibility — AMP connectors are used across multiple OEM platforms; the same part number may appear in vehicles from different manufacturers
Typical Applications
- Underhood and chassis sealed connector repair on Ford/GM/VW/Toyota platforms
- ABS/ESP sensor connector replacement
- Underbody wiring harness sealed connector repair
- Custom sealed wiring harness fabrication
Frequently Asked Questions
Q: What is the role of the 174656-7 terminal in this connector system?
The 174656-7 is the crimp terminal that is crimped onto the wire and inserted into the housing (174657-2 or 174655-2). The terminal provides the electrical contact between the wire and the mating terminal in the counterpart connector. For a complete sealed connector assembly, you need: the housing (174657-2 or 174655-2), the terminal (174656-7), and the wire seal (separate part). All three components must be assembled correctly for a reliable sealed connection.
Q: How do I assemble the 174657-2 / 174655-2 sealed connector correctly?
Assembly sequence: (1) thread the wire seal onto the wire before stripping; (2) strip 5–6mm of insulation; (3) crimp the 174656-7 terminal onto the wire using an AMP-compatible ratchet crimper; (4) slide the wire seal up to the terminal insulation barrel; (5) insert the terminal into the housing cavity until the locking tab clicks; (6) verify terminal retention with a gentle pull-test. The wire seal must seat in the housing entry hole — if the seal is not seated correctly, the connector will not achieve its waterproof rating.
Q: Can I reuse the housing after removing the terminals?
Yes — the housing can be reused if it is undamaged. Use a terminal removal pick to release the locking tab and extract the terminal from the housing cavity. Inspect the housing for cracks, damaged locking tabs, or deformed cavity walls before reuse. The wire seals should be replaced with new seals whenever the terminals are removed — reusing old seals risks moisture ingress that will corrode the new terminals.
