- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The air conditioner wiring harness is a critical electrical component that ensures reliable power and signal distribution to all A/C system modules. The genuine SINOTRUK HOWO LG1616820500 Air Conditioner Wiring Harness Assembly (Electric) is an OEM‑grade component manufactured to exacting tolerances for dependable climate control and extended service life. As a critical element of the trusted Sinotruk howo parts family, this wiring harness guarantees perfect fitment, superior insulation, and long‑term durability. Engineered with high‑temperature resistant wires and sealed connectors, the LG1616820500 unit withstands the extreme heat, vibration, and moisture of mining, construction, and long‑haul applications. Investing in this authentic component ensures consistent cooling performance, reduces electrical faults, and extends the life of your HVAC system.
Air Conditioner Wiring Harness Assembly (Electric)
Жгут проводов кондиционера (электрический)
Mazo de cables del aire acondicionado (eléctrico)
The LG1616820500 wiring harness is constructed from cross‑linked polyethylene (XLPE) insulated wires, providing exceptional resistance to heat, oil, and abrasion. All conductors are made of tinned copper to prevent corrosion and ensure excellent conductivity. The harness is wrapped in a durable, self‑extinguishing protective sleeve that shields against chafing and mechanical damage. Each connector is a genuine OEM part with locking tabs and weather seals, guaranteeing a secure, watertight connection even in high‑humidity environments.
The harness is designed for plug‑and‑play installation, with clearly labeled connectors and color‑coded wires that match the factory service manual. It integrates all necessary branches for the compressor clutch, blower motor, pressure switches, and control unit. Every wire is precisely cut and terminated to length, eliminating slack that could cause tangling or interference with moving parts. The LG1616820500 assembly undergoes 100% electrical continuity and insulation resistance testing, ensuring zero defects before shipment.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO LG1616820500 Air Conditioner Wiring Harness Assembly (Electric). This data is essential for verifying compatibility and understanding the component’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | LG1616820500 | SINOTRUK HOWO Original Code |
| Product Name | Air Conditioner Wiring Harness Assembly (Electric) | Complete harness for HVAC system |
| Wire Gauge | 0.5 mm² – 4.0 mm² | Varies by circuit |
| Insulation Material | Cross‑linked polyethylene (XLPE) | Heat resistant up to 125°C |
| Connector Type | Deutsch / AMP / Sumitomo (OEM) | Weather‑sealed |
| Operating Voltage | 24V DC | Standard truck electrical system |
| Temperature Range | -40°C to +125°C | Suitable for all climates |
| Protection Rating | IP67 (connectors mated) | Dust‑tight, waterproof |
| Length (approx.) | 2.5 m | Exact length as OEM |
| Weight | 1.2 kg | Complete assembly |
| Compatible Applications | SINOTRUK HOWO T7H, A7, 70 series, etc. | Verify model |
Installation of the LG1616820500 wiring harness is straightforward for technicians familiar with HVAC electrical systems. Begin by disconnecting the vehicle battery to prevent short circuits. Remove the old harness, noting the routing and connector positions. Lay the new harness in place, securing it with factory clips and ties to avoid contact with hot or moving components. Connect all plugs until they click, verifying that seals are fully compressed. After installation, test the A/C system for proper operation of all functions: compressor engagement, blower speeds, and mode selection.
The LG1616820500 harness is a direct OEM replacement for SINOTRUK HOWO models equipped with factory air conditioning. Compatibility must be verified by matching the part number with your vehicle’s service manual. Using the correct harness ensures proper current capacity and connector fit. Always replace the entire harness if damage is found; splicing can lead to voltage drop and unreliability. Genuine SINOTRUK HOWO parts guarantee a perfect fit and reliable performance under the most demanding conditions.
When routing the new harness, use dielectric grease inside the connectors to further protect against moisture. Secure any loose sections with additional zip ties to prevent chafing. Always follow the factory wiring diagram to avoid crossed connections.
Tinned copper conductors and high‑quality connectors ensure minimal voltage drop, allowing the A/C compressor and blower to operate at peak efficiency, even under heavy electrical loads.
XLPE insulation resists engine heat, coolant, and oil, preventing embrittlement and short circuits in the harsh under‑hood environment.
Using a genuine OEM harness prevents intermittent electrical faults and unscheduled repairs, keeping your SINOTRUK HOWO on the road and reducing total operating costs.
A failing A/C wiring harness may cause intermittent compressor operation, weak airflow, blown fuses, or a complete system shutdown. Visible signs include cracked insulation, corroded connectors, melted wires, or burnt smells. During routine maintenance, inspect the harness for damage, especially near hot surfaces and moving parts. If any of these symptoms are present, immediate replacement with a genuine LG1616820500 harness is essential to restore proper climate control and prevent electrical fires.
Ignoring harness damage can lead to compressor clutch failure, control module damage, or even vehicle fire. Replacing it promptly with a genuine LG1616820500 ensures safe, reliable operation and extends the life of your HVAC system.
To maximize the life of your LG1616820500 harness, periodically inspect it for signs of wear or rodent damage. Keep the engine bay clean to prevent chemical attack on the insulation. Ensure that all connectors are fully seated and that protective loom is intact. Avoid routing additional wires that could overload the circuits. During A/C service, handle the harness carefully to avoid stressing the terminals.
Always use genuine SINOTRUK HOWO replacement parts for electrical repairs. Following these practices will help your A/C system run reliably for years.
Generic aftermarket wiring harnesses often use substandard wire, incorrect gauge sizes, or poor connector quality, leading to voltage drop, overheating, and intermittent failures. The genuine SINOTRUK HOWO LG1616820500 harness is engineered to the exact specifications of your truck’s HVAC system, ensuring correct current capacity, pin fit, and environmental sealing. It is manufactured under strict quality controls to withstand the extreme demands of heavy‑duty diesel operation.
By choosing the authentic part, you protect your investment and ensure reliable climate control for years to come. For fleet managers and owner‑operators who demand the best, the genuine LG1616820500 is the only responsible choice.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
