OEM Engine Wiring Harness – 1996 Jeep Grand Cherokee ZJ 4.0L I6 – Complete ECU to Engine Loom

Restore your Jeep's original performance with this OEM Engine Wiring Harness, professionally sourced for the 1996 Jeep Grand Cherokee ZJ 4.0L Inline-6 . This is a complete engine bay harness that runs from the ECU (PCM) to all critical engine components, including sensors, fuel injectors, ignition, and charging systems.

Whether you're replacing a damaged harness, rebuilding a classic ZJ, or doing a factory-spec restoration, this harness ensures proper fitment, OEM-grade connections, and clean signal delivery to all critical systems.

✅ Key Features
Fits: 1996 Jeep Grand Cherokee ZJ, 4.0L I6 (OBD-II equipped, VIN engine code "S")

Includes:

Full harness from ECU/PCM to engine bay

All major OEM connectors:

TPS, CKP, MAP, CTS, IAT, O2 sensors (upstream & downstream)

Fuel injector plugs (6)

Ignition coil, starter, alternator, and engine grounds

Firewall grommet and mounting tabs (where applicable)

PCM Compatibility: Chrysler 3-plug OBD-II PCM (1996 only, approx. 104-pin layout)

OEM Reference #: Common part number 56042487 (verify against your original for exact match)

Condition: [Specify: Used / Refurbished / New Old Stock / Fully Inspected & Cleaned]

🔍 VIN-Specific Fitment
This harness is verified  which decodes to a U.S.-built 1996 ZJ 4.0L 6-cylinder, 4×4 configuration. This ensures the layout, sensor length, and connector configuration match factory specification.

🛠 Installation & Notes
Direct bolt-in for 1996 Grand Cherokee ZJ with 4.0L engine

Not compatible with 1993–1995 ZJs (OBD-I) or 5.2L V8 models

Ideal for full harness replacement or drivetrain swaps using a factory PCM

Clean all connectors before install; dielectric grease recommended for long-term performance

📦 Shipping & Packaging
Professionally packed and shipped with care. Includes labeled sections and zip-tied harness for easy routing during installation.