1. تعارف
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. حفاظت جي ڄاڻ
- بجلي جي جھٽڪي يا گاڏي جي بجلي نظام کي نقصان کان بچائڻ لاءِ ڪنهن به بجلي جي انسٽاليشن شروع ڪرڻ کان اڳ هميشه گاڏي جي بيٽري کي ڊسڪنيڪٽ ڪريو.
- پڪ ڪريو ته سڀئي ڪنيڪشن محفوظ ۽ صحيح طرح سان موصل آهن ته جيئن شارٽ سرڪٽ کان بچي سگهجي.
- 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.
- جيڪڏهن توهان کي انسٽاليشن جي عمل جي ڪنهن به مرحلي بابت پڪ ناهي، ته هڪ قابل آٽوميٽو ٽيڪنيشن سان صلاح ڪريو.
3. پيڪيج مواد
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)
- فيوز هولڊر ۽ فيوز
- رينگ ٽرمينل
- ڌار ڌار ڪنيڪٽر
- چڙهڻ اسڪرو
- ڪيبل لاڳاپا

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. سيٽ اپ ۽ تنصيب
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. تياري
- اوزار گڏ ڪرڻ: You will need basic hand tools such as a screwdriver, wire strippers/crimpers, and possibly a test light.
- گاڏي تائين رسائي: 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.
- بيٽري ختم ڪريو: For safety, disconnect the negative terminal of the vehicle's battery.
4.2. Harness Connection
- گاڏين جي رابطن کي ڳوليو: Identify the vehicle's taillight wiring harness connectors. These are typically located behind the taillight assemblies.
- 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.
- 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
- ماؤنٽ ماڊيول: 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.
- زميني ڪنيڪشن: 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. پاور ڪنيڪشن
- روٽ پاور وائر: 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.
- فيوز هولڊر انسٽال ڪريو: Near the battery, cut the power wire and install the provided fuse holder. Insert the fuse into the holder.
- بيٽري سان ڳنڍيو: 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. آخري مرحلو
- 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.
- بيٽري ٻيهر ڳنڍيو: گاڏي جي بيٽري جي منفي ٽرمينل کي ٻيهر ڳنڍيو.
- ٽيسٽ سسٽم: 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. آپريٽنگ هدايتون
Once installed, operating the Tekonsha T-One T-Connector Harness is straightforward:
- ٽريلر ڳنڍيو: When ready to tow, remove the protective cap from the 4-way flat connector and plug it into the corresponding connector on your trailer.
- روشنين جي تصديق ڪريو: 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. سار سنڀال
Minimal maintenance is required for the T-One T-Connector Harness:
- ڪنيڪشن چيڪ ڪريو: 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.
- صاف ٽرمينل: If terminals appear dirty or corroded, clean them with a wire brush and electrical contact cleaner.
7. مسئلا حل ڪرڻ
If you experience issues with your trailer lighting, consider the following troubleshooting steps:
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| No trailer lights | Blown fuse in fuse holder | چيڪ ڪريو ۽ فيوز کي تبديل ڪريو. |
| No trailer lights | لڪل يا خراب ٿيل ڪنيڪشن | Inspect all connections, clean if necessary, and ensure they are secure. |
| مخصوص ٽريلر لائيٽ ڪم نه ڪري رهي آهي | Faulty trailer bulb or wiring | Check the trailer's bulbs and wiring independently. |
| چمڪندڙ روشنيون | ناقص زميني ڪنيڪشن | Ensure the white ground wire is securely attached to a clean, unpainted metal surface. |
8. وضاحتون
| خاصيت | تفصيل |
|---|---|
| ماڊل نمبر | 118599 |
| ڪنيڪٽر جو قسم | 4-واٽ فليٽ |
| Stop Light/Turn Signal Circuit Capacity | 2.1 Amps |
| Taillight Circuit Capacity | 5.6 Amps |
| وائر گيج | 16 Gauge bonded wire |
| ماڊل جو قسم | Upgraded circuit protected ModuLite HD module |
| مواد | ٽوپي |
| شيءِ جو وزن | 1.5 پائونڊ |
| پيداوار جي ماپ (L x W x H) | 3.98 x 3.88 x 8.88 انچ |
9. وارنٽي ۽ سپورٽ
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.





