| No. | Part No. | Name |
|---|---|---|
| 1 | 712W25509-6001 | Cigarette Lighter |
| 2 | WG9725584005 | 120Ω Resistor |
| 3 | WG9918580013 | MCS Knob |
| 4 | WG9918580039 | Rotary Light Switch (AUTO) |
| 5 | 812W25503-6001 | Hazard Warning Switch |
| 6 | 812W25503-6002 | Horn Changeover Switch |
| 7 | 812W25503-6014 | Engine Diagnostic Switch |
| 8 | 812W25503-6009 | Headlight Leveling Switch |
| 9 | 812W25503-6020 | Inter‑axle Differential Lock Switch |
| 10 | 812W25503-6032 | Power Take‑off Switch |
| 11 | 812W25503-6035 | Intelligent Brake Request Switch |
| 12 | 812W25503-6036 | Exhaust Brake Switch |
| 13 | 812W25503-6039 | Speed Limiter & Fuel Economy Switch |
| 14 | 812W25503-6065 | Auxiliary High Beam Switch (Nano System) |
| 15 | 812W25503-6066 | Work Light Switch (Nano System) |
| 16 | 812W25503-6101 | Blank Plate |
The Cigarette Lighter is a standard 24V power outlet that provides a convenient charging point for portable devices and accessories. It is designed with a heat‑resistant housing and a self‑resetting fuse to protect against overloads.
The 120Ω Resistor is a precision wire‑wound component used in the CAN bus termination or sensor circuits. It ensures signal integrity and prevents reflections, contributing to the overall reliability of the C7H Tractor Electrical System.
The MCS Knob is a multifunctional rotary control that adjusts settings such as instrument brightness or audio volume. Its ergonomic design and positive detents allow for precise adjustments while driving.
The Rotary Light Switch (AUTO) controls the vehicle’s exterior lighting, offering positions for off, parking, low beam, and automatic headlight activation. It features a light sensor input for seamless transition between day and night modes.
The Hazard Warning Switch activates all turn signals simultaneously to warn other road users of an emergency or obstruction. Its large, illuminated button ensures it is easily located in urgent situations.
The Horn Changeover Switch allows the driver to select between a standard city horn and a louder air horn, depending on the environment. It is a rocker switch that stays in the selected position.
The Engine Diagnostic Switch initiates a system self‑test and can display fault codes on the dashboard. It is used by technicians during troubleshooting and is an important part of the C7H Tractor Electrical System.
The Headlight Leveling Switch adjusts the vertical aim of the headlights to compensate for load distribution. It ensures optimal illumination without dazzling oncoming traffic.
This switch locks the inter‑axle differential to provide maximum traction in off‑road or slippery conditions. It is a momentary switch that must be held until the lock engages.
The Power Take‑off Switch engages the PTO, allowing auxiliary equipment to be driven by the engine. It is a latching switch with a protective cover to prevent accidental activation.
The Intelligent Brake Request Switch allows the driver to pre‑select a deceleration level, which the electronic braking system then executes automatically. This enhances safety and reduces driver workload.
The Exhaust Brake Switch activates the engine exhaust brake, providing additional retardation for descents. It is a rocker switch with an LED indicator that shows when the brake is active.
This switch toggles between normal driving mode and a fuel‑economy mode that limits top speed and optimises shift points. It is a three‑position switch that helps reduce fuel consumption.
The Auxiliary High Beam Switch, designed for the Nano system, activates additional high‑beam lights for enhanced night visibility. It is a momentary switch that returns to off when released.
The Work Light Switch, also for the Nano system, controls auxiliary work lights for loading and unloading operations. It is a latching switch with an integrated LED to confirm status.
The Blank Plate is a cosmetic cover that fills unused switch slots on the dashboard. It provides a clean, factory‑finish appearance and prevents dust ingress into the switch panel.
Every switch and component in our C7H Tractor Electrical System is manufactured to Sinotruk’s original specifications, ensuring seamless integration and long‑lasting reliability. You get parts that match the factory fit and finish.
From hazard warning to intelligent braking, these switches give the driver precise control over critical vehicle functions. A well‑maintained C7H Tractor Electrical System directly contributes to safer operation.
Our kit covers every essential control, from lighting and diff locks to PTO and auxiliary lights. Whether you are repairing or upgrading, you will find the right part for your C7H Tractor Electrical System.
All switches are designed for the harsh truck environment, with sealed contacts and UV‑stabilised housings. They resist moisture, dust, and temperature extremes, ensuring the C7H Tractor Electrical System performs reliably for years.
The C7H Tractor Electrical System is the nerve centre of the cab, housing all the vital controls that a driver interacts with daily. Each switch and component plays a specific role in ensuring the vehicle operates safely, efficiently, and comfortably.
Over time, switches can wear out, contacts can corrode, or resistors can drift from their values. Replacing worn components with our genuine parts restores the original feel and function of the C7H Tractor Electrical System, preventing intermittent faults and driver frustration.
The blank plates are often overlooked but are important for completing the dashboard aesthetic and preventing dust from entering the switch housing. They are a simple yet essential part of the C7H Tractor Electrical System.
The Nano‑system switches (auxiliary high beam and work light) are designed for the latest electronic architecture, offering smart functionality such as timed shut‑off and integration with the vehicle’s body controller.
The 120Ω resistor is a subtle but crucial component for CAN bus stability. Without it, communication errors can occur, leading to warning lights and reduced system performance. Including this in the C7H Tractor Electrical System ensures complete coverage.
We recommend that any replacement of switches be done as a complete set to ensure uniform feel and appearance. Mixing old and new switches can result in differing levels of illumination or actuation force, which can be distracting.
All our components are tested for electrical continuity and insulation resistance before packing, guaranteeing that each part of the C7H Tractor Electrical System is ready for immediate installation.
The rotary light switch with AUTO mode adds convenience and safety, automatically switching on the headlights in tunnels or low‑light conditions. This feature reduces driver workload and ensures compliance with lighting regulations.
The inter‑axle differential lock switch is vital for off‑road performance; replacing a worn switch ensures that the lock engages correctly when needed, preventing wheel spin and getting stuck.
We supply each switch with its correct colour‑coded connector and housing, making installation straightforward. The C7H Tractor Electrical System is designed for easy plug‑and‑play replacement, saving workshop time.
For fleet managers, standardising on this genuine C7H Tractor Electrical System ensures that all trucks have identical controls, reducing driver training time and simplifying repairs.
The hazard warning switch is one of the most frequently used safety devices; its reliability is paramount. Our genuine switch offers crisp operation and a bright, long‑lasting LED indicator.
The horn changeover switch allows the driver to choose between a soft city horn and a powerful air horn, adapting to different noise regulations and driving environments.
The engine diagnostic switch is a helpful tool for quick self‑checks, especially in remote areas where workshop access is limited. It gives drivers confidence in the health of their engine.
We ship all components in protective packaging to prevent damage during transit. Our C7H Tractor Electrical System kit is complete and ready for your workshop.
We back every part with a 12‑month warranty. Should any switch or component fail, we will replace it promptly. Our technical support team is available to assist with installation queries.
We maintain a large inventory to ensure fast dispatch, even for bulk orders. Contact our sales team for volume pricing and customised logistics.
Thank you for considering our C7H Tractor Electrical System components. We are confident that our genuine OEM parts will deliver the performance and reliability you expect from Sinotruk.
The C7H Tractor Electrical System is an integral part of the vehicle’s overall reliability. Investing in genuine replacements ensures that your truck remains safe, compliant, and comfortable for years to come.
We offer a dedicated technical helpline for any questions regarding the C7H Tractor Electrical System. Our engineers have in‑depth knowledge of the C7H wiring and can guide you through any tricky installation.
With proper maintenance, these switches will provide decades of service. Their high‑grade materials and precision engineering are what set genuine Sinotruk parts apart from the competition.
Upgrade your C7H with the genuine C7H Tractor Electrical System kit – the smart choice for safety, reliability, and driver satisfaction. Order today and experience the difference that OEM quality makes.
We are committed to providing the highest quality components and exceptional customer service. Choose our C7H Tractor Electrical System for peace of mind and long‑term value.
Don’t compromise on cab controls – every switch in the C7H Tractor Electrical System plays a critical role. Replace worn or damaged units with genuine parts and keep your truck operating at its best.
We look forward to serving your Sitrak C7H needs. Place your order now and enjoy fast shipping and competitive pricing.
Your C7H Tractor Electrical System deserves the best – trust only genuine Sinotruk components to maintain its performance and value.
We are proud to be a trusted supplier of OEM Sinotruk parts. Contact us today for a quote and let us help you keep your fleet running smoothly.
The C7H Tractor Electrical System is a testament to Sinotruk’s commitment to quality. Every switch, resistor, and knob is crafted with precision to deliver the performance that drivers depend on.
Invest in genuine parts – because your truck deserves nothing less. Order your C7H Tractor Electrical System components now and drive with confidence.
We value your trust and aim to provide the best possible service. Thank you for choosing our products for your Sitrak C7H.
We are confident that you will be satisfied with the quality and longevity of our C7H Tractor Electrical System components. Join the many fleet operators who rely on genuine Sinotruk parts.
Your satisfaction is our priority. We offer a no‑hassle return policy and expert technical support. Contact us anytime for assistance.
Upgrade your C7H Tractor Electrical System today and enjoy the peace of mind that comes with genuine OEM quality. We look forward to serving your parts needs.
The C7H Tractor Electrical System is an essential investment in your vehicle’s reliability and driver comfort. Choose genuine, choose excellence.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
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