1. Introducció
The ACDelco TC255 Professional Inline to Trailer Wiring Harness Connector is a premium aftermarket component designed to facilitate the electrical connection between a towing vehicle and a trailer. This kit provides high-quality replacement components for vehicle systems such as ignition, starting and charging, body-electrical and lighting, and engine fuel management. Manufactured to meet expectations for fit, form, and function, this connector ensures reliable performance and dependability.
2. Configuració i instal·lació
Proper installation of the ACDelco TC255 connector is crucial for safe and effective operation. Always refer to your vehicle's specific service manual for detailed wiring diagrams and safety procedures before beginning installation.
2.1 Precaucions de seguretat
- Ensure the vehicle's ignition is off and the battery is disconnected before working with electrical components to prevent electrical shock or damage.
- Utilitzeu l'equip de protecció individual adequat, incloent-hi ulleres i guants de seguretat.
- Verify that the replacement connector is the correct size and fit for your specific vehicle application.
2.2 Passos d'instal·lació (directrius generals)
- Identificar els punts de connexió: Locate the existing wiring harness connection points on your vehicle and trailer that require the new connector.
- Remove Old Connector (if applicable): Carefully disconnect and remove the old or damaged connector, noting the wire color and position for each connection.
- Prepareu els cables: Strip the ends of the vehicle and trailer wires as needed, ensuring clean and secure contact points.
- Connecteu el nou arnès: Connect the ACDelco TC255 connector to the vehicle's wiring harness and the trailer's wiring harness. Ensure all connections are secure and match the correct wire functions (e.g., ground, turn signals, brake lights).
- Connexions segures: Use appropriate crimping tools or soldering techniques for permanent connections. Apply dielectric grease to protect contacts from corrosion and moisture.
- Funcionalitat de prova: Reconnect the vehicle battery. With the trailer connected, test all lighting functions (running lights, brake lights, turn signals) and any other trailer electrical systems to ensure proper operation.
Figura 1: Primer pla view of the vehicle-side connector pins, showing the internal contacts and housing.
Figura 2: Primer pla view of the trailer-side connector, showing the three circular pin receptacles and the ground pin.
3. Instruccions de funcionament
Once the ACDelco TC255 connector is correctly installed, its operation is straightforward:
- Connecting Trailer: Align the vehicle-side connector with the trailer-side connector and push them firmly together until they click or are securely seated.
- Pre-Towing Check: Before each towing operation, visually inspect the connection to ensure it is secure and free from debris. Verify that all trailer lights (running lights, brake lights, turn signals) are functioning correctly.
- Disconnecting Trailer: To disconnect, firmly grasp both ends of the connector and pull them apart. Avoid pulling directly on the wires.
4. Manteniment
Regular maintenance helps ensure the longevity and reliable performance of your wiring harness connector.
- Inspeccionar regularment: Periodically inspect the connector and associated wiring for any signs of wear, cracks, fraying, or damaged insulation. Replace the harness if significant damage is observed.
- Connexions netes: Keep the connector pins and receptacles clean and free from dirt, moisture, and corrosion. Use a non-abrasive electrical contact cleaner if necessary.
- Aplicar greix dielèctric: Apply dielectric grease to the electrical contacts to protect them from water intrusion and corrosion. This is a standard practice to maintain connection integrity.
- Check for Secure Fit: Ensure the connector remains securely fitted. Loose connections can lead to intermittent electrical issues.
Figura 3: Un altre view of a multi-pin connector, highlighting the secure locking mechanism and wire entry points.
5. Solució De Problemes
If you experience issues with your trailer's electrical system, consider the following troubleshooting steps:
- No Power to Trailer Lights:
- Check the vehicle's fuses related to trailer wiring.
- Ensure the connector is fully seated and secure.
- Inspect the wiring for any visible damage or breaks.
- Verify that the vehicle's battery is properly charged and connected.
- Intermittent Light Function:
- Check for loose connections at the harness and trailer lights.
- Inspect for corrosion on the connector pins; clean and apply dielectric grease if necessary.
- Ensure proper grounding for both the vehicle and trailer electrical systems.
- ABS Light or Check Engine Light Illumination: While less common for a trailer harness, a malfunctioning wire harness in general can sometimes trigger vehicle warning lights. If these lights illuminate after working with wiring, re-check all connections and consult a professional mechanic.
Si els passos de resolució de problemes no resolen el problema, es recomana consultar un tècnic d'automoció qualificat.
6. Especificacions
| Característica | Detall |
|---|---|
| Marca | ACDelco |
| Número de model | TC255 |
| Dimensions del producte (L x A x A) | 11.43 x 11.43 x 9.4 cm |
| Pes de l'article | 313 g |
| Tipus de connector | Trailer Wiring Harness Connector |
| Material | Acdelco (material specification) |
| UPC | 707773075647 |
7. Garantia i Suport
ACDelco products are manufactured to high standards, providing the performance and dependability you expect. For specific warranty information or technical support regarding your TC255 Professional Inline to Trailer Wiring Harness Connector, please refer to the official ACDelco website or contact ACDelco customer service directly. Keep your purchase receipt for warranty claims.
For additional resources and product information, visit the official ACDelco weblloc: www.acdelco.com





