4-Pin Automotive Chassis & Gearbox Wire Harness Connector – OEM 1-1564330-1 / 1-1564534-1 / 1-1564536-1

A direct-fit OEM-specification 4-pin connector for chassis and gearbox wiring harnesses. Matching OEM part numbers 1-1564330-1, 1-1564534-1, and 1-1564536-1, this connector provides a factory-quality electrical connection for transmission, gearbox, and chassis circuit wiring repairs across compatible vehicle applications.

OEM Part Numbers

• 1-1564330-1
• 1-1564534-1
• 1-1564536-1

Key Specifications

• Pin Count: 4-pin
• Application: Chassis and gearbox wiring harness – transmission sensors, solenoids, and control circuits
• Gender: Male or Female (select above)
• Lead Options: Bare connector or pre-wired lead (select above)
• Fit Type: Direct OEM replacement

Why Gearbox Connectors Fail

Gearbox and transmission connectors are exposed to transmission fluid, heat, and constant vibration. Connector failure causes transmission-related faults including:

• Transmission fault codes (P07xx series)
• Harsh or erratic gear shifts
• Transmission stuck in limp mode
• Solenoid valve not responding to TCU commands

Features & Benefits

• OEM-matched 4-pin layout: Precise pin configuration matches factory chassis and gearbox harness connectors
• Three OEM cross-references: Covers multiple chassis/gearbox connector variants sharing the same housing specification
• Transmission fluid resistant: Housing material engineered to withstand ATF, gear oil, and heat in gearbox environments
• Direct replacement: Plug-and-play fit with no modification to existing wiring
• Male and female options: Select the gender required for your specific repair

Frequently Asked Questions

Q: How do I confirm this fits my vehicle?
A: Cross-reference OEM part numbers 1-1564330-1, 1-1564534-1, or 1-1564536-1 against your vehicle’s parts catalog or wiring diagram before ordering.

Q: Can a faulty gearbox connector cause limp mode?
A: Yes. A damaged or corroded gearbox connector can cause the TCU to lose communication with transmission solenoids or sensors, triggering limp mode as a safety response. Replacing the connector often resolves limp mode faults before more expensive transmission repairs are needed.

Q: Are terminals pre-installed?
A: Yes. Terminals are pre-installed in the connector housing.

Package Contents

1× 4-pin chassis / gearbox wire harness connector (male or female, bare or pre-wired lead – select above)