The Over volts warning device is an essential electrical safety component for the HOWO A7 8X4 heavy truck. This system includes the Over volts warning device (two variants), Plastic nut pedestal, Flat washer, 5A fusion device, 5A fusion device assembly, and Pedestal. These parts work together to protect the vehicle’s electrical network from damaging voltage spikes. When you choose genuine howo Parts, you ensure reliable overvoltage protection and long-term electrical system integrity.
The Over volts warning device is a monitoring unit that continuously checks the vehicle’s charging voltage. It triggers an audible and visual alert when the voltage exceeds the safe threshold.
This device protects sensitive electronic components like ECUs, sensors, and lighting systems from overvoltage damage. It is a critical safety feature for modern trucks.
Two part numbers are available: WG1500090200 and WG1500090200/1, with the latter being an optimized version. Both offer reliable performance in harsh environments.
The Plastic nut pedestal is a mounting base that secures the warning device and its associated wiring. It is made from high-impact engineering plastic.
This pedestal provides insulation and vibration damping, preventing short circuits and mechanical stress on the electrical connections. It is designed for easy installation.
The Flat washer is used with self-tapping screws to secure components to the pedestal. It distributes the clamping load and prevents damage to the plastic parts.
These washers are made from zinc-plated steel for corrosion resistance. They ensure a tight and durable fastening in the truck’s electrical cabinet.
The 5A fusion device is a protective fuse that interrupts the circuit in case of overcurrent. It is rated at 5 amperes, matching the warning device’s power requirements.
This fuse protects the wiring and the device itself from short circuits or accidental overloads. It is a replaceable component that ensures system safety.
The 5A fusion device assembly is a complete unit that includes the fuse holder and connecting terminals. It simplifies replacement and maintenance.
This assembly is designed for quick plug-and-play installation. It ensures a secure connection and reliable fuse retention even under vehicle vibration.
The Pedestal is the base component that supports the entire overvoltage warning assembly. It is molded from durable, heat-resistant polymer.
This pedestal features integrated mounting holes and cable guides. It provides a stable platform for the warning device and its associated wiring harness.
Over volts warning device – Complete protection system for HOWO A7 8X4
| Part NO. | Description |
|---|---|
| WG1500090200 | Over volts warning device |
| WG1500090200/1 | Over volts warning device |
| AZ1664930001 | Plastic nut pedestal |
| Q2204816 | Flat washer |
| WG9725580009 | 5A fusion device |
| WG9725580009/1 | 5A fusion device assembly |
| WG9725580011/1 | Pedestal |
Our Over volts warning device is built with precision components that meet strict automotive standards. It responds within milliseconds to voltage surges, protecting your truck’s expensive electronics from irreversible damage.
The device features a self-diagnostic function that alerts you to any internal faults. This ensures that you are always aware of the system’s health, reducing unexpected failures and downtime.
Installation is straightforward with the included pedestal, plastic nut pedestal, and flat washers. The 5A fusion device and its assembly are easily replaceable, making maintenance quick and cost-effective.
We back every unit with rigorous quality control. From the warning device itself to the smallest washer, each part is tested for durability and performance. Choose our Over volts warning device for dependable electrical protection.
Installing the Over volts warning device requires basic electrical knowledge. Always disconnect the battery before starting any work on the electrical system.
Mount the pedestal securely using the provided plastic nut pedestals and flat washers. Ensure that the device is positioned away from direct heat sources and moving parts.
Connect the wiring according to the schematic provided with the device. Use the correct gauge wire and secure all connections with appropriate terminals.
After installation, test the system by simulating an overvoltage condition (using a regulated power supply). The warning device should trigger the alert immediately.
Regular maintenance includes inspecting the 5A fusion device for signs of blowing or corrosion. Replace the fuse with an identical 5A unit if necessary.
Check all connections periodically for tightness and cleanliness. Loose connections can cause false triggers or failure of the warning device.
The Over volts warning device is specifically designed for the HOWO A7 8X4 electrical architecture. However, it can be adapted to other heavy trucks with similar voltage systems.
The 5A fusion device and its assembly follow standard automotive fuse sizes, making them interchangeable with equivalent parts from other suppliers.
The plastic nut pedestal and pedestal are vehicle-specific, so always verify the mounting hole pattern before ordering replacements.
For best results, use genuine howo Parts to guarantee exact fitment and electrical characteristics. Aftermarket alternatives may not provide the same level of protection.
A functional Over volts warning device prevents costly damage to the alternator, battery, and sensitive control modules. It is a small investment that saves thousands in repairs.
By alerting the driver early, it allows corrective action to be taken before a complete electrical failure occurs. This improves vehicle reliability and safety.
The device also helps maintain stable voltage for lighting and auxiliary systems, ensuring consistent performance of all electrical loads.
For fleet operators, equipping each truck with a quality overvoltage warning system reduces unplanned downtime and extends the service life of electrical components.
Moreover, the peace of mind that comes with knowing your electrical system is protected is invaluable. Our Over volts warning device delivers that confidence.
With proper installation and regular checks, this device will serve your truck reliably for many years, making it a smart choice for any HOWO A7 8X4 owner.
We recommend keeping a spare 5A fusion device and assembly in your toolkit for quick field replacement. This proactive approach minimizes any potential disruption.
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.
We are a heavy-duty truck parts store. Please leave your contact information and inquiries. We will respond within 12 hours.
