Shacman H3000 Low-Pressure Warning Light

Warning Light Cab Auxiliary Wiring Harness (MA/BJH1/FLR2X-B)

This Shacman H3000 Low-Pressure Warning Light wiring harness connects the warning light system to the cab’s main electrical distribution, providing power and signal lines for the warning light and switch. It is pre-terminated with the correct connectors and features color-coded wires (red, black, yellow) for easy identification. The Shacman H3000 Low-Pressure Warning Light harness uses FLR2X-B grade cable, known for its high-temperature resistance and durability, making it suitable for routing through the cab interior and firewall.

Warning Light Adapter Wiring Harness (LED/Waterproof/FLR2X-B)

This Shacman H3000 Low-Pressure Warning Light adapter harness is specifically designed for LED warning lights, providing the necessary voltage regulation and waterproof connectors to ensure reliable operation in wet conditions. It Shacman H3000 Low-Pressure Warning Light includes a built-in resistor to match the LED’s current requirements and a sealed Deutsch-style connector that maintains IP67 protection. The FLR2X-B cable ensures flexibility and resistance to abrasion, making installation straightforward.

Warning Light Roof Wiring Harness (Single Light/LED/BH/FLR2X-B)

This Shacman H3000 Low-Pressure Warning Light harness is designed to route power from the cab to a single LED warning light mounted on the roof. It includes a protective sleeve that shields the cable from UV rays and mechanical damage, and its length (typically 2.5 meters) accommodates most cab roof heights. The Shacman H3000 Low-Pressure Warning Light harness terminates in a mating connector compatible with the warning light’s input, simplifying the connection process.

Warning Light Mounting Bracket

The mounting bracket is a sturdy steel component that securely attaches the warning light to the cab roof or exterior panel. It features adjustable slots for precise positioning and is coated with a corrosion-resistant black powder finish. The bracket includes pre-drilled holes that align with the warning light’s base, ensuring a stable, vibration-free installation that prevents loosening over time.

Hexagon Head Bolt (Galvanized)

This galvanized hexagon head bolt (M6 x 18) is used to secure the warning light bracket and other mounting points. The galvanized finish provides excellent corrosion resistance, and the six-sided head allows for easy tightening with standard wrenches. Its strength class (8.8) ensures sufficient clamping force for heavy-duty applications.

Flat Washer

The flat washer (M8) is used under the bolt head to distribute the clamping load over a larger area, protecting the bracket and vehicle surface from damage. Made from zinc-plated steel, it resists corrosion and helps maintain consistent torque retention, ensuring the warning light remains securely attached.

Cross Recessed Countersunk Head Screw

This countersunk screw features a cross recess (Phillips) drive and is used for attaching the warning light switch to the dashboard or for securing interior trim panels. Its countersunk head sits flush with the surface, providing a clean, professional appearance. The screw is made from stainless steel for high corrosion resistance in the cab environment.

Warning Light Switch

The warning light switch is a rugged, illuminated rocker switch that allows the driver to manually activate the warning light or override the automatic system. It features a red LED indicator that shows when the light is on, and its design includes a weather-sealed boot to protect against dust and moisture. The switch snaps into a standard dashboard cutout and connects to the harness via a mating connector.

5A Fuse

This 5A mini-blade fuse provides overcurrent protection for the warning light circuit. It is installed in the fuse holder that comes with the cab auxiliary harness, safeguarding the wiring and components from short circuits. The fuse is easily replaceable and meets ATO/ATC standards, making it widely available.

Integrated System Protection

The combination of the 5A fuse and the sealed connectors in the harnesses ensures that the warning light system is protected against electrical faults and environmental ingress. The FLR2X-B cables are rated for 105°C and have excellent resistance to oil, fuel, and abrasion, making them ideal for the harsh conditions of a truck’s engine bay and roof.

Ease of Installation

All wiring harnesses come with pre-crimped terminals and color-coded wires, reducing the need for splicing. The mounting bracket includes alignment marks for quick positioning, and the included hardware – bolts, washers, and screws – is sized correctly for the application. This makes installation straightforward for both professional technicians and experienced DIYers.

Our Shacman H3000 Low-Pressure Warning Light system is composed entirely of genuine OEM parts, ensuring that every component – from the wiring harnesses to the switch and fuse – meets the exact electrical, mechanical, and environmental specifications of the original vehicle. This guarantees seamless integration, preventing compatibility issues that often arise with mixed aftermarket components. By choosing genuine, you protect your truck’s warranty and maintain its safety systems at peak performance.

The Shacman H3000 Low-Pressure Warning Light assembly is designed for efficient installation. The harnesses are pre-terminated with the correct connectors and color-coded wires, and the included hardware – galvanized bolts, flat washers, and countersunk screws – are sized precisely for the application. This reduces installation time, minimizes the chance of wiring errors, and gets your truck back on the road with enhanced safety in less time.

Safety is non-negotiable, and our system is built to provide reliable alerts in the most critical moments. The LED-compatible harnesses maintain stable voltage to the warning light, ensuring bright, consistent illumination. The fuse protects against short circuits, and the weatherproof connectors prevent corrosion. This robust construction ensures that the warning light will function when you need it most, alerting you to low-pressure conditions before they become dangerous.

We stock the complete Shacman H3000 Low-Pressure Warning Light system to ensure rapid dispatch, so you are never left waiting for critical safety parts. Our competitive pricing and global shipping make it cost-effective to maintain fleet safety standards. With our dedicated support, you can be confident that you have the right components and the right information to keep your Shacman H3000 operating safely and efficiently.

The Shacman H3000 Low-Pressure Warning Light is typically triggered by a pressure switch connected to the air brake reservoir or tire pressure monitoring system. When pressure drops below a safe threshold, the switch closes, completing the circuit and illuminating the warning light. The system can also be manually activated via the dashboard switch for testing or as an auxiliary work light. Our genuine components ensure that the system responds quickly and accurately.

Installation begins with mounting the warning light bracket to the cab roof using the provided hexagon head bolts and flat washers. The roof harness is then routed from the roof down the A‑pillar to the cab interior, where it connects to the adapter harness. The adapter harness links to the cab auxiliary harness, which provides power from the fuse box and connects to the switch. All connectors are designed to lock securely, preventing accidental disconnection.

The 5A fuse should be installed in the fuse holder provided in the cab auxiliary harness, ensuring that the circuit is protected before energizing. The warning light switch is mounted in a convenient dashboard location using the countersunk screws, and its illumination confirms power availability. A test of the system should be performed by grounding the trigger wire or activating the switch to verify that the light illuminates and the fuse does not blow.

For vehicles with existing warning light systems, replacing a failed component is straightforward – simply unplug the old harness or switch and plug in the new one. Our genuine parts are direct replacements, with no need for cutting or splicing. This plug‑and‑play design minimizes downtime and ensures that the system is restored to full functionality in a matter of minutes.

The LED warning light used with this system is highly energy-efficient, drawing only a fraction of the current of traditional incandescent lamps. This reduces load on the vehicle’s electrical system and extends the life of the bulb (typically rated for 50,000 hours). The adapter harness includes the necessary current-limiting resistors, so no external ballast is required.

Regular inspection of the warning light system is recommended as part of the vehicle’s preventive maintenance schedule. Check the harness connections for corrosion, ensure the bracket bolts are tight, and test the switch operation. The 5A fuse should be replaced if it shows signs of fatigue. Our genuine components are designed for longevity, but prompt attention to any issues ensures the system remains fully functional.

For fleet operators, standardizing on the Shacman H3000 Low-Pressure Warning Light system ensures that all vehicles have consistent warning indications, simplifying driver training and maintenance. Our parts are compatible across many H3000 variants, and we can provide bulk ordering options to keep your inventory costs low. With our support, you can maintain high safety standards across your entire fleet.

The warning light’s bright LED is visible from a wide angle, making it effective both day and night. The roof mounting position ensures it is easily seen by other road users, enhancing overall safety. The bracket’s vibration-dampening design prevents the light from flickering, ensuring a steady, attention-grabbing signal. This reliability is critical in high-stress situations where a clear warning can make all the difference.

Warning Light Cab Auxiliary Harness (DZ96189776846) – Cable type: FLR2X-B, cross-section 0.5mm², temperature rating -40°C to +105°C. Connector types: 2‑pin and 4‑pin mini‑AMP. Length: 1.8 meters. Includes fuse holder with 5A fuse.

Warning Light Adapter Harness (DZ96189776849) – Cable type: FLR2X-B, 0.5mm². Connector: Deutsch DT04‑2P (waterproof). Built‑in resistor for LED current limiting (220Ω, 1W). Length: 0.5 meters. IP67 rated.

Warning Light Roof Harness (DZ96189776845) – Cable type: FLR2X-B, 0.75mm², UV‑resistant sheath. Length: 2.5 meters. Connector: matching the LED light’s input (typically Deutsch or AMP). Includes grommet for roof pass‑through.

Warning Light Mounting Bracket (DZ95189581577) – Material: S235JR steel, powder‑coated black. Thickness: 2.5mm. Hole spacing: 50mm x 30mm (adjustable slots). Weight: 0.45 kg.

Hexagon Head Bolt (Galvanized) (Q150B0618) – M6 x 18, strength class 8.8, galvanized to ISO 4042. Flat Washer (Q401B08) – M8, zinc‑plated. Cross Recessed Countersunk Head Screw (Q2714816) – M4 x 16, stainless steel A2.

Warning Light Switch (DZ97189584427) – Rated 24V DC, 5A. Illuminated rocker with red LED. Panel cutout: 22mm x 33mm. Sealed to IP66. 5A Fuse (DZ96189581015) – Mini blade type, 5A, conforming to ISO 8820.

All harnesses are tested for continuity and insulation resistance (minimum 10MΩ at 500V). The system is designed to operate on a 24V DC supply with a total current draw of approximately 0.5A when the warning light is illuminated. The components are backed by a 2‑year warranty against manufacturing defects, reflecting our commitment to quality and reliability.