Standard Ignition TCM156 Transfer Case Motor

Transfer Case Motor for Ram 3500

Standard Ignition TCM156 is a transfer case motor built for direct replacement on select Ram heavy-duty trucks. It is a fitment-based solution for restoring electronic transfer case operation on 2019-2025 Ram 3500 models.

Key Features

• Transfer case motor for electronic 4WD system operation
• Black and silver metal/plastic construction
• Female connector with polygon shape
• 8 male blade terminals for the vehicle harness interface
• Direct-fit application for Ram 3500 transfer case service
• Cross-references Mopar 68450803AA for the same application

Detailed Description

Standard Ignition TCM156 is a transfer case motor designed for 2019-2025 Ram 3500 trucks equipped with an electronically controlled transfer case. This part number, TCM156, is intended for vehicles that need a replacement motor to restore transfer case shifting and 4WD engagement functions. The black and silver finish, metal and plastic housing, female connector, and 8-terminal blade interface support a factory-style electrical connection. Standard Ignition TCM156 also cross-references Mopar 68450803AA for the same application.

Compatible With 2019-2025 Ram 3500 transfer case motor applications, this part is a practical choice when the original unit shows electrical or mechanical wear. Use TCM156 when servicing Ram 3500 4WD transfer case systems that require a direct replacement motor with the correct connector and terminal layout.

What It Helps Fix

• Transfer case not shifting between 2WD and 4WD modes
• Intermittent or failed electronic transfer case engagement
• Warning lights related to transfer case motor operation
• Loss of proper transfer case actuator movement
• Electrical connection issues at the transfer case motor

Installation Notes and Tips

Verify connector shape, terminal count, and mounting location before installation. This transfer case motor does not include mounting hardware. Confirm the vehicle is a 2019-2025 Ram 3500 and compare the original part number, connector style, and transfer case configuration before replacement. Standard Ignition TCM156 is a direct-fit service part for the listed application.

Quality Assurance

Standard Ignition supplies replacement electrical and drivetrain service parts for OE-style fitment and function. TCM156 is built to match the listed application requirements for Ram 3500 transfer case service.