Combination Switch WG9130583017 for Sinotruk HOWO

The Combination Switch WG9130583017 for Sinotruk HOWO by China supplier and factory Skyond, offering global buyers a direct OEM-grade replacement for the steering column switch assembly on Sinotruk heavy-duty trucks. This integrated switch brings together turn signals, headlights (high/low beam), fog lights, wipers, washer, and horn into a single lever. The Combination Switch has a flame-retardant ABS housing, silver-plated oxygen-free copper contacts, and TPE soft-grip handle. With an IP65 protection rating, it withstands moisture and dust ingress. For fleet operators and repair shops, this means fewer electrical failures, faster installation, and reliable control of safety-critical lighting and wiper functions day after day.

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Product Description

The Combination Switch WG9130583017 for Sinotruk HOWO is a steering column-mounted multi-function control unit supplied by brand Skyond to buyers worldwide, manufactured at our facility in China. It is designed specifically for Sinotruk HOWO A7, T7H, T5G, TX series, and is also compatible with the STR (Steyr) models. The Combination Switch consolidates the control of turn signals, headlights, fog lights, wipers, washer, and horn into a single column-mounted lever. This design allows drivers to operate essential functions without removing hands from the steering wheel that directly improves driving safety and convenience. For workshop technicians, the switch provides a direct plug-and-play replacement that matches original wiring and mounting points, cutting installation time significantly.

Comprehensive Product Specification Table

Category	Item	Details
Product Basic Information	Model No.	WG9130583017
	Type	Manual Transmission
	Fit for	HOWO A7
	Brand / Trademark	No-brand (generic)
	Condition	Brand New
	Quality	100% Tested
	Origin	China
Mechanical & Performance Parameters	Cooling System	Water Cooled
	Clutch Type (as listed "Efficiency")	Dual Plate Clutch
	Material	Steel
	Number of Speeds	10-speed
	Torque Capacity	2000 lb-ft
	Dimensions (package/product?)	5×3×3 cm (noted as Specification)
Electrical & Environmental Specifications	Applicable Voltage	24V DC (for heavy truck electrical system)
	Rated Current	10A (Max 15A)
	Connector Type	16-pin waterproof connector (OEM standard)
	Protection Rating	IP65 (waterproof and dustproof)
	Operating Temperature Range	-40℃ ~ +85℃
Commercial & Logistics Information	Transport Package	Paper box, wooden box
	HS Code	8708405000
	Production Capacity	50,000 pieces per month

Combination Switch WG9130583017 for Sinotruk HOWO Heavy Duty Truck Accessories

Core Functions

The Combination Switch WG9130583017 for Sinotruk HOWO integrates the following functions into a single column-mounted assembly:

Lighting controls: Turn signals (left/right), high beam, low beam, and fog lights. All lighting functions are operated through intuitive lever movements push, pull, or rotate allowing the driver to respond to changing road conditions instantly.

Wiper and washer controls: Windshield wiper speed adjustment (intermittent, low, high) and washer activation. The wiper control is essential for maintaining visibility in rain, snow, or dust.

Horn: Integrated horn button for quick activation in emergency situations.

The integrated design reduces the number of separate control units on the steering column, simplifying the cabin layout and reducing potential failure points. For the driver, this means all essential controls are within finger reach, enabling safer operation especially in adverse weather or heavy traffic.

Material Selection

The Combination Switch WG9130583017 for Sinotruk HOWO is built to withstand the harsh environment of a heavy truck cabin. Each material is selected for a specific reason:

Housing

High-strength flame-retardant ABS plastic. ABS provides excellent impact resistance and dimensional stability across a wide temperature range. The flame-retardant grade reduces fire risk in the event of an electrical short. This is critical in a truck cabin where vibration, temperature swings, and long operating hours are the norm.

Contacts

Silver-plated oxygen-free copper. Oxygen-free copper offers superior electrical conductivity, reducing voltage drop and heat generation at the contact points. The silver plating provides a low-resistance, oxidation-resistant surface that maintains reliable electrical contact over thousands of switching cycles. This translates to consistent performance from lighting and wiper systems with no flickering indicators or intermittent wiper failures.

Handle

Wear-resistant TPE soft rubber. TPE (thermoplastic elastomer) provides a comfortable, non-slip grip surface that resists wear from repeated use and exposure to oils and cleaning agents. The soft feel reduces driver fatigue during long hauls.

IP65 protection rating. The connector interface includes a waterproof sealing ring, and the overall assembly is rated IP65 dust-tight and protected against water jets. This ensures the switch remains functional even in dusty construction sites or heavy rain conditions.

Common Fault Symptoms and Quick Diagnosis

The Combination Switch is designed for long service life, but like any electrical component, it can eventually show signs of wear. Common symptoms include:

Symptom	Possible Cause	Diagnostic Method
Function completely unresponsive (e.g., turn signals or wipers not working)	Internal contact failure or circuit open	Check for power at the switch input; test continuity across switch terminals
Intermittent function — works only when lever is held or pushed hard	Worn or burnt contacts (moving and stationary contact points)	Visually inspect contacts; test switch with multimeter for intermittent continuity
Lever feels loose or does not engage internal mechanism	Handle shaft bore wear or internal insulation rod deformation	Inspect mechanical linkage inside the switch housing
Switch housing feels hot or has a burning smell	Contact overload or short circuit in wiring	Check circuit load; inspect for damaged wiring; replace switch if contacts are burnt

Product Application

The Combination Switch WG9130583017 for Sinotruk HOWO is specifically designed for Sinotruk's heavy-duty truck lineup, including:

1. Sinotruk HOWO A7

2. Sinotruk HOWO T7H

3. Sinotruk HOWO T5G

4. Sinotruk HOWO TX series

5. STR (Steyr) models

These trucks operate across a wide range of conditions:

1. Long-haul freight routes across varying climates

2. Regional distribution and logistics operations

3. Construction and mining sites with high dust and vibration

4. Urban and intercity transport where frequent lighting and wiper use is required

In these applications, a reliable combination switch is not a luxury, it is a safety requirement. Failed turn signals create hazards for other road users; non-functional wipers compromise visibility in rain; unreliable headlights reduce night driving safety. The Combination Switch addresses these concerns by providing consistent electrical performance and mechanical durability.

Advantages

1. Integrated multi-function control. The Combination Switch serves as the central command for turn signals, wipers, and lighting. The integrated design simplifies the steering column layout while maintaining consistent tactile feedback and operational precision.

2. Heavy-duty material durability. Constructed from reinforced plastic and industrial-grade metal, the switch resists mechanical wear and environmental stress. This ensures it remains functional in the high-vibration and different conditions of heavy truck transport.

3. Precise electrical connectivity. The internal circuits are designed to eliminate common issues such as loose contacts or short circuits. This reliable connectivity ensures that safety-critical functions like indicators and high beams respond instantly to driver input.

4. Original standard compatibility. Following the exact specifications of China National Heavy Duty Truck Group, the Combination Switch WG9130583017 for Sinotruk HOWO allows for a direct plug-and-play installation. No modifications to the cabin wiring or mounting bracket are required, significantly reducing maintenance downtime.

Installation and Maintenance Guidelines

The Combination Switch WG9130583017 for Sinotruk HOWO is designed for quick, straightforward installation:

Plug-and-play fitment. The switch uses the original connector interface and mounting points. No harness modification or bracket adjustment is needed and simply remove the old unit and install the replacement.

Standard tools. Installation requires only basic hand tools.

Typical installation time. A trained technician can complete the replacement in under 30 minutes.

Maintenance tip. When replacing a faulty combination switch, inspect the wiring harness connector for signs of corrosion or damage. Clean the connector pins if necessary before installing the new switch to ensure optimal electrical contact.

How Skyond guarantee the Quality?

Every Combination Switch WG9130583017 for Sinotruk HOWO supplied by Skyond undergoes quality checks before shipment:

Electrical contact testing. Each switch is tested for continuity across all switch positions, verifying that each function delivers consistent electrical signal.

Mechanical cycling test. The lever mechanism is cycled through its full range of motion to verify smooth operation and proper internal engagement.

Environmental testing. Random samples are tested for temperature resistance and IP65 water/dust protection.

Visual inspection. Each switch is inspected for surface finish, marking clarity, and mechanical integrity.

One-Stop Procurement from Skyond

Beyond the Combination Switch WG9130583017 for Sinotruk HOWO, Skyond offers a comprehensive supply chain for Sinotruk and Shacman series. Our inventory covers:

Chassis parts

Brake systems

Steering components

Engine parts

Filters and brake pads

Small engine screws to complete cabin assemblies

For trading companies and repair shops, we provide competitive wholesale pricing and rapid quoting services. One supplier, multiple product lines — reducing your procurement workload and consolidating shipments.

Combination Switch WG9130583017 for Sinotruk HOWO Heavy Duty Truck Accessories

Q&A

Q1: Which vehicles is the Combination Switch compatible with?

It fits Sinotruk HOWO A7, T7H, T5G, TX series, and STR (Steyr) models. Always confirm your vehicle model and year before ordering.

Q2: Does this switch include fog light control?

Yes. The Combination Switch integrates fog light controls alongside turn signals, headlights, wipers, and horn.

Q3: Is the switch plug-and-play, or does it require wiring modification?

It is plug-and-play. The switch uses the original connector and mounting points, so no wiring modification or bracket adjustment is required.

Q4: What is the warranty period?

Skyond provides a 3-month warranty on the Combination Switch.

Q5: How long does delivery take?

Most orders ship within 7-45 days after payment confirmation.

Q6: Does Skyond offer other Sinotruk electrical parts?

Yes. In addition to the Combination Switch, we supply a full range of Sinotruk electrical components. Contact us with your requirements.

Contact Skyond for Pricing and Availability

Reach out to us directly for a prompt quotation. We respond to all inquiries within 24 hours with detailed pricing, stock confirmation, and delivery timelines.

Phone: +86-13065032889

Email: skyond@foxmail.com

Website: www.skdtruckparts.com

WhatsApp: +86 15165049196 / +86 19025287746

We accept small and large orders alike. Please specify the product code and quantity when contacting us.

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