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12045808 / 12065425 Automotive 10-Pin Waterproof Connector — Sealed Diagnostics Plug Male Female Socket
12045808 / 12065425 Automotive 10-Pin Waterproof Connector Sealed Diagnostics Plug Male Female Socket
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12045808 / 12065425 Automotive 10-Pin Waterproof Connector — Sealed Diagnostics Plug
The 12045808 (female socket) and 12065425 (male plug) are 10-pin waterproof automotive connectors from Delphi (Aptiv) used in sealed diagnostic and ECU wiring harness applications on GM-platform vehicles. These Delphi part numbers are used in underhood sealed connector applications on Chevrolet, GMC, Buick, and Cadillac vehicles for ECU diagnostic interfaces, sensor assemblies, and body control module connections requiring moisture protection.
Delphi’s sealed connector systems are the standard for GM underhood wiring harnesses globally. The 12045808/12065425 connector family provides IP67 moisture protection for diagnostic and ECU circuits in underhood environments subject to water splash, condensation, and temperature cycling.
Key Specifications
| Parameter | Value |
|---|---|
| OEM Part Numbers | 12045808 (female) / 12065425 (male) |
| Manufacturer | Delphi / Aptiv |
| Pin Count | 10-pin |
| Sealing | Waterproof (sealed) |
| Application | Sealed diagnostics / ECU / sensor |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Operating Temperature | -40°C to +125°C |
| Compatible Platforms | Chevrolet, GMC, Buick, Cadillac (GM platforms) |
| Compliance | RoHS |
Delphi Sealed Connector System — GM Standard
- Delphi (Aptiv) GM standard — Delphi supplies the majority of GM’s wiring harnesses globally; the 12045808/12065425 is part of Delphi’s sealed connector portfolio for GM underhood applications
- Sealed diagnostic interface — diagnostic connectors in underhood locations require sealing to prevent moisture ingress that could corrupt diagnostic communication signals
- 10-pin for ECU and sensor circuits — accommodates sensor inputs, actuator outputs, diagnostic communication, power, and ground circuits in a single sealed connector
- OEM part number traceability — Delphi part numbers are traceable in the GM parts catalog (ACDelco) for confirmed OEM fitment
Typical Applications
- GM-platform ECU and BCM sealed connector repair
- Underhood diagnostic interface connector replacement
- Sensor assembly sealed connector repair on Chevrolet/GMC vehicles
- Delphi 10-pin sealed connector replacement on GM platforms
Frequently Asked Questions
Q: Which GM vehicles use 12045808 / 12065425?
These connectors are used across multiple GM platforms including Chevrolet Silverado, Tahoe, Suburban, Equinox, Malibu, Cruze; GMC Sierra, Yukon, Terrain; Buick Enclave, LaCrosse; and Cadillac Escalade, SRX. The exact application varies by model year and engine/equipment variant. Consult the ACDelco parts catalog or GM Service Information (SI) with your vehicle’s VIN to confirm the connector part number for your specific application.
Q: What is the difference between 12045808 (female) and 12065425 (male)?
12045808 is the female socket — it has socket terminals and is typically on the wiring harness side. 12065425 is the male plug — it has pin terminals and is typically on the component (ECU, sensor) side. Always verify the gender of your original connector before ordering. The housing shapes are different between male and female variants and cannot be interchanged.
Q: How do I find the compatible terminal for Delphi 12045808?
Look up the part number in the ACDelco parts catalog or Delphi/Aptiv connector catalog to find the compatible terminal part number. Delphi sealed connectors use specific terminal part numbers that include the wire seal as an integrated component — the terminal and wire seal are typically ordered together. Using non-Delphi terminals in Delphi sealed housings may compromise the IP67 sealing rating.
