1. المقدمة
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. معلومات السلامة
- افصل بطارية السيارة دائمًا قبل البدء في أي تركيب كهربائي لمنع حدوث صدمة كهربائية أو تلف النظام الكهربائي للسيارة.
- تأكد من أن جميع التوصيلات آمنة ومعزولة بشكل صحيح لمنع حدوث دوائر قصيرة.
- 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.
- إذا لم تكن متأكدًا من أي خطوة من خطوات عملية التثبيت، فاستشر فني سيارات مؤهلًا.
3. محتويات العبوة
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)
- حامل المصهر والصمام
- محطة الحلقة
- موصلات الوصل
- برغي التثبيت
- روابط الكابلات

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. الإعداد والتثبيت
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. التحضير
- جمع الأدوات: You will need basic hand tools such as a screwdriver, wire strippers/crimpers, and possibly a test light.
- إمكانية دخول المركبات: 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.
- افصل البطارية: لأسباب تتعلق بالسلامة، افصل الطرف السالب لبطارية السيارة.
4.2. توصيل الأسلاك
- Locate Vehicle Connectors: 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
- وحدة التركيب: 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.
- اتصال الأرض: 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. توصيل الطاقة
- مسار سلك الطاقة: 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.
- تركيب حامل الفيوز: Near the battery, cut the power wire and install the provided fuse holder. Insert the fuse into the holder.
- الاتصال بالبطارية: 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. الخطوات النهائية
- 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.
- إعادة توصيل البطارية: أعد توصيل الطرف السالب لبطارية السيارة.
- نظام اختبار: 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. تعليمات التشغيل
Once installed, operating the Tekonsha T-One T-Connector Harness is straightforward:
- مقطع دعائي متصل: When ready to tow, remove the protective cap from the 4-way flat connector and plug it into the corresponding connector on your trailer.
- التحقق من الأضواء: 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. الصيانة
Minimal maintenance is required for the T-One T-Connector Harness:
- فحص الاتصالات: Periodically check all wiring connections for corrosion, fraying, or damage. Ensure the ground connection remains secure.
- حماية الموصل: Always use the protective cap on the 4-way flat connector when not in use to shield it from dirt, moisture, and road debris.
- محطات نظيفة: If terminals appear dirty or corroded, clean them with a wire brush and electrical contact cleaner.
7. استكشاف الأخطاء وإصلاحها
If you experience issues with your trailer lighting, consider the following troubleshooting steps:
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا توجد أضواء للمقطورة | Blown fuse in fuse holder | افحص واستبدل المصهر. |
| لا توجد أضواء للمقطورة | اتصالات فضفاضة أو متآكلة | Inspect all connections, clean if necessary, and ensure they are secure. |
| Specific trailer light not working | Faulty trailer bulb or wiring | Check the trailer's bulbs and wiring independently. |
| أضواء متقطعة | اتصال أرضي ضعيف | Ensure the white ground wire is securely attached to a clean, unpainted metal surface. |
8. المواصفات
| ميزة | مواصفة |
|---|---|
| رقم الموديل | 118599 |
| نوع الموصل | شقة رباعية الاتجاهات |
| Stop Light/Turn Signal Circuit Capacity | 2.1 Amps |
| Taillight Circuit Capacity | 5.6 Amps |
| مقياس الأسلاك | 16 Gauge bonded wire |
| نوع الوحدة | Upgraded circuit protected ModuLite HD module |
| مادة | نحاس |
| وزن العنصر | 1.5 رطل |
| أبعاد المنتج (الطول × العرض × الارتفاع) | 3.98 × 3.88 × 8.88 بوصة |
9. الضمان والدعم
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.