Tekonsha T-One T-Connector Harness (Model 118599)

1. Ynlieding

This manual provides comprehensive instructions for the proper installation and operation of the Tekonsha T-One T-Connector Harness, Model 118599. This product is designed to provide a 4-way flat trailer wiring connection for specific Ford Explorer, Ford Taurus, and Lincoln MKS vehicle models, enabling trailer lighting functions without requiring modifications to the vehicle's existing wiring system.

2. Safety Information

• Always disconnect the vehicle's battery before beginning any electrical installation to prevent electrical shock or damage to the vehicle's electrical system.
• Soargje derfoar dat alle ferbiningen feilich en goed isolearre binne om koartslutingen te foarkommen.
• Route wiring away from hot exhaust components, sharp edges, and moving parts to prevent damage.
• Verify all trailer lights are functioning correctly after installation and before towing.
• As jo ​​net wis binne oer ien fan 'e stappen fan it ynstallaasjeproses, rieplachtsje dan in kwalifisearre automonteur.

3. Package Ynhâld

The Tekonsha T-One T-Connector Harness kit includes the following components:

• T-One T-Connector Harness with ModuLite HD module
• 4-Way Flat Connector with cap
• Power wire (16 gauge bonded wire)
• Fuse holder en lont
• Ring terminal
• Splice Anschlüsse
• Montage screw
• Kabelbannen

Image 3.1: All components included in the Tekonsha T-One T-Connector Harness kit, featuring the main harness, ModuLite module, 4-way flat connector, power wire, fuse, and various installation accessories.

4. Opset en ynstallaasje

The Tekonsha T-One T-Connector Harness is designed for a straightforward, do-it-yourself installation without requiring special tools or splicing into vehicle wires. Follow these steps carefully:

4.1. Tarieding

1. Tools sammelje: You will need basic hand tools such as a screwdriver, wire strippers/crimpers, and possibly a test light.
2. Tagong ta auto: Open the vehicle's trunk or tailgate and locate the access panels for the taillight assemblies. Remove these panels to expose the vehicle's wiring harness connectors.
3. Batterij útskeakelje: For safety, disconnect the negative terminal of the vehicle's battery.

4.2. Harness Connection

4. Locate Vehicle Connectors: Identify the vehicle's taillight wiring harness connectors. These are typically located behind the taillight assemblies.
5. Disconnect and Insert T-Connectors: Unplug the vehicle's wiring harness connector. Insert the corresponding T-One T-Connector into the vehicle's harness, ensuring a secure fit. The T-One connectors are designed to match the factory connectors, providing a 'factory' appearance.
6. Repeat for Both Sides: Connect the T-One harness to both the driver's side and passenger's side taillight wiring.

4.3. ModuLite HD Module Mounting

7. Module montearje: Find a secure, dry location within the vehicle's trunk or cargo area to mount the ModuLite HD module. Use the provided mounting screw or cable ties to secure it. Ensure the module is protected from moisture and physical damage.
8. Grûnferbining: Connect the white wire from the ModuLite module to a clean, unpainted metal surface on the vehicle chassis to establish a proper ground. Use the provided ring terminal and mounting screw.

4.4. Power Connection

9. Rûte stroomtried: Route the black power wire from the ModuLite module to the vehicle's battery. Ensure the wire is routed safely, away from moving parts, exhaust, and sharp edges. Use cable ties to secure the wire along its path.
10. Install Fuse Holder: Near the battery, cut the power wire and install the provided fuse holder. Insert the fuse into the holder.
11. Ferbine mei batterij: Connect the power wire from the fuse holder to the positive (+) terminal of the vehicle's battery using a suitable connector (not always included, may require a separate purchase depending on battery terminal type).

4.5. Finale Stappen

12. Secure 4-Way Flat Connector: Route the 4-way flat connector to an accessible location near the rear bumper, where it can be easily connected to a trailer. When not in use, store it in the cargo area or under the rear bumper, using the provided cap to protect the terminals.
13. Batterij opnij ferbine: Ferbine de negative terminal fan 'e batterij fan it auto opnij.
14. Testsysteem: Before towing, perform a thorough test of all trailer lighting functions (turn signals, brake lights, running lights) with a connected trailer or a trailer light tester.

5. Bedriuwsinstruksjes

Once installed, operating the Tekonsha T-One T-Connector Harness is straightforward:

• Oanhinger ferbine: When ready to tow, remove the protective cap from the 4-way flat connector and plug it into the corresponding connector on your trailer.
• Ferifiearje ljochten: Always verify that all trailer lights (running lights, brake lights, left turn signal, right turn signal) are functioning correctly before driving.
• Disconnect Trailer: When not towing, disconnect the trailer's wiring harness from the vehicle's 4-way flat connector and replace the protective cap to prevent corrosion and damage.

6. Underhâld

Minimal maintenance is required for the T-One T-Connector Harness:

• Ynspektearje ferbinings: Periodically check all wiring connections for corrosion, fraying, or damage. Ensure the ground connection remains secure.
• Protect Connector: Always use the protective cap on the 4-way flat connector when not in use to shield it from dirt, moisture, and road debris.
• Clean terminals: If terminals appear dirty or corroded, clean them with a wire brush and electrical contact cleaner.

7. Probleemoplossing

If you experience issues with your trailer lighting, consider the following troubleshooting steps:

8. Spesifikaasjes

9. Garânsje en stipe

For warranty information and technical support, please refer to the official Tekonsha website or contact their customer service directly. Details regarding specific warranty periods and coverage are typically provided with the product packaging or on the manufacturer's official resources.