NOVAPARTS 350-0172 External Wiring Harness Connector Pigtail Instruction Manual

1. Introduction

This manual provides comprehensive instructions for the NOVAPARTS 350-0172 External Wiring Harness Connector Pigtail. This component is designed to replace or repair the external wiring harness for specific transmission solenoids, restoring proper transmission function. Please read this manual thoroughly before installation.

Key Features:

• High-quality OEM replacement part.
• Durable construction for reliable performance.
• Designed for straightforward installation.

Compatibility:

This connector pigtail is compatible with 68RFE, 45RFE, and 62TE transmission solenoids. It fits various Chrysler, Dodge, Fiat, Jeep, and Volkswagen models manufactured between 1999 and 2018.

Figure 1: Application details for 45RFE, 545RFE, 62TE, and 68RFE transmissions.

Figure 2: Applicable OE Part Numbers: 350-0172, 350 0172, 05019917AA, 72445RK.

2. Safety Information

Always prioritize safety when working on automotive systems. Failure to follow safety precautions can result in injury or damage to the vehicle.

• Disconnect the vehicle's battery before beginning any electrical work.
• Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
• Ensure the vehicle is securely supported on jack stands if working underneath.
• Consult a professional mechanic if you are unsure about any step of the installation process.
• Verify correct wiring connections to prevent electrical shorts or component damage.

3. Package Contents

The package contains one (1) NOVAPARTS 350-0172 External Wiring Harness Connector Pigtail.

Figure 3: The NOVAPARTS 350-0172 External Wiring Harness Connector Pigtail.

4. Installation Instructions

This section outlines the general procedure for installing the wiring harness connector pigtail. Specific vehicle repair procedures may vary; always refer to your vehicle's service manual for detailed instructions.

Preparation:

1. Ensure the vehicle is turned off and the battery is disconnected.
2. Locate the existing transmission solenoid wiring harness connector that needs replacement.
3. Carefully inspect the old connector and surrounding wiring for damage.

Installation Steps:

1. Remove Old Connector: Carefully cut the wires leading to the old connector, leaving enough length to splice the new pigtail. Note the position and color of each wire if possible, although this pigtail typically uses uniform wiring.
2. Prepare Wires: Strip a small amount of insulation from the ends of the vehicle's existing wires and the new pigtail wires.
3. Splice Connections: Connect each wire from the new pigtail to its corresponding wire on the vehicle's harness. Use appropriate crimp connectors or solder connections, ensuring a secure and insulated splice. Heat shrink tubing is recommended for protection against moisture and corrosion.
4. Secure Wiring: Route and secure the new wiring to prevent chafing or interference with moving parts.
5. Connect to Solenoid: Plug the new pigtail connector firmly into the transmission solenoid. Ensure the locking tab engages correctly.

Figure 4: View of the connector pigtail, showing the connector body and individual wires.

Figure 5: Side view of the connector pigtail, highlighting the locking mechanism.

Figure 6: Rear view of the connector, illustrating how the wires are secured.

Figure 7: Close-up view of the connector pins, showing the internal layout.

Figure 8: An additional perspective of the connector pigtail.

Post-Installation Check:

1. Reconnect the vehicle's battery.
2. Start the vehicle and check for any warning lights or abnormal transmission behavior.
3. Perform a test drive to confirm proper transmission operation.

5. Operating Principles

The NOVAPARTS 350-0172 External Wiring Harness Connector Pigtail serves as a critical electrical link between the vehicle's main wiring system and the transmission solenoids. These solenoids are responsible for controlling fluid flow within the transmission, which in turn dictates gear changes and overall transmission performance. A properly functioning wiring harness ensures stable signal transmission, allowing the transmission control module (TCM) to accurately command the solenoids, thereby restoring optimal transmission function.

6. Maintenance

The NOVAPARTS wiring harness is designed for durability and minimal maintenance. However, periodic inspection can help ensure its longevity and prevent future issues.

• Visual Inspection: During routine vehicle maintenance, visually inspect the connector and wiring for any signs of wear, fraying, cracks, or corrosion.
• Connection Security: Ensure the connector remains firmly seated in the solenoid and that all wire splices are intact and protected.
• Cleanliness: Keep the connector free from excessive dirt, oil, or debris, which can interfere with electrical conductivity.

7. Troubleshooting

If you experience transmission issues after installing the new pigtail, consider the following troubleshooting steps:

• Check Connections: Re-verify that all wire splices are secure and properly insulated. Ensure the connector is fully seated and locked onto the solenoid.
• Wire Identification: Confirm that each wire from the new pigtail is connected to the correct corresponding wire on the vehicle's harness. Incorrect wiring can lead to malfunction.
• Inspect for Damage: Check the new pigtail and the solenoid for any physical damage that might have occurred during installation.
• Diagnostic Scan: If transmission issues persist, use an OBD-II scanner to check for diagnostic trouble codes (DTCs). These codes can help pinpoint the exact nature of the problem.
• Professional Assistance: If you are unable to resolve the issue, it is recommended to seek assistance from a qualified automotive technician.

8. Specifications

9. Warranty and Support

NOVAPARTS offers a 6-month replacement warranty for this product. If you encounter any issues within this period, please contact NOVAPARTS customer support for assistance.

For further support or inquiries, please visit the official NOVAPARTS Store.