Core Product Functions
WG9130583017 HOWO combination switch is a key control part for SINOTRUK HOWO heavy-duty vehicles, mainly matched with HOWO A7, T7H, T5G and TX models. It integrates headlight (high/low beam), turn signal, fog light, windshield wiper, washer and horn control. As the core of the vehicle's electrical system, it realizes centralized control of external lighting and auxiliary electrical appliances, simplifies driver operation, improves driving safety and convenience. The switch adopts ergonomic design, with clear gear positioning and sensitive operation, adapting to heavy-duty vehicle harsh working environments such as long-distance transportation, engineering and mining.
Compatibility & Interchangeability
①Applicable Vehicles: SINOTRUK HOWO A7/T7H/T5G/TX series, as well as HOWO engineering vehicles and mining dumpers with the same electrical control system.
②Adaptable System: Matches original vehicle electrical system (lighting, wiper, horn). No need to modify wiring harness, mounting bracket or circuit; direct installation after disassembly.
③OE Reference Number: WG9130583017
④Interchangeability: Follows original design (size, mount hole, plug, gear stroke, electrical parameters). Directly replaces original switch, shortens maintenance time.
⑤Value-added Service: Our team verifies fit via vehicle model, production year and chassis number. Provides pre-installation check and post-installation function test to avoid assembly faults.
Key Technical Parameters
|
Parameter Name |
Specification |
|
Applicable Vehicle Model |
SINOTRUK HOWO A7/T7H/T5G/TX series |
|
Control Functions |
Headlight, turn signal, fog light, wiper, washer, horn |
|
Operating Voltage |
24V DC (matches heavy-duty vehicle electrical system) |
|
Rated Current |
10A (max current 15A) |
|
Overall Dimensions |
180×85×65mm (L×W×H) |
|
Overall Weight |
380g (excl. mounting accessories) |
|
Operating Temperature Range |
-40℃ ~ +85℃ |
|
Plug Type |
16-pin waterproof plug (original standard) |
|
Service Life (Mechanical) |
≥100,000 times of operation |
|
Protection Level |
IP65 (waterproof, dustproof) |




Materials & Craftsmanship
Core Materials
Shell uses high-strength flame-retardant ABS plastic, with good impact, high-temperature and flame-retardant performance, adapting to cab harsh environment. Contact terminal uses silver-plated oxygen-free copper, with good conductivity, low contact resistance and strong anti-oxidation. Internal spring uses high-carbon steel, with stable elasticity and long service life. Operating handle uses wear-resistant TPE soft rubber, non-slip and comfortable.
Surface Treatment
Shell surface has matte spray painting, scratch-resistant and non-fading. Contact terminal is silver-plated (0.1mm), improving conductivity and anti-oxidation. Plug interface has waterproof sealing, filled with high-temperature sealing ring. Operating handle is integrated TPE injection molding, closely combined with shell.
Production Craftsmanship
Adopts integrated injection molding + precision assembly, shell without burrs, firm structure. Internal contacts are precision stamped and spot-welded, stable contact. Gear positioning is CNC machined, clear and sensitive. Each product passes electrical and mechanical tests before delivery.
Quality Grade & Inspection
①Quality Grade: OE-equivalent, complying with SINOTRUK HOWO standards and national automotive electrical requirements. Passed 100,000-time mechanical and 2,000-hour electrical durability tests, stable in harsh environments.
②Inspection Items: Electrical performance (conductivity, insulation), mechanical operation (gear, sensitivity), IP65 waterproof/dustproof, shell impact and terminal anti-oxidation tests.
③Quality System: Factory passed IATF16949 and ISO9001, full-process quality control from raw materials to delivery.
④Batch Tracking: Each switch has laser-engraved OE, batch number and production date. Records kept ≥3 years, full traceability.
Service Life & Performance
①Average Service Life: ≥3 years (or 100,000 operations), consistent with original, matching HOWO maintenance cycle, reducing replacement and costs.
②Performance Advantages: Flame-retardant ABS resists impact and high temperature; silver-plated terminals ensure stable conductivity, avoid poor contact. IP65 prevents water/dust, ergonomic handle is comfortable and labor-saving.
③Environment Adaptability: Stable in -40℃ ~ +85℃, adapting to alpine, high-temperature, humid and dusty environments.
Fault Improvement & Replacement Value
Common Fault Optimization
Aiming at original faults (poor contact, gear jamming, waterproof failure, handle loosening, terminal oxidation), optimized materials, structure and assembly. Silver-plated terminals, high-quality springs and waterproof sealing solve these faults, avoiding lighting and wiper failures.
Maintenance & Replacement Value
Simple structure, easy to disassemble and assemble, on-site replacement by maintenance personnel, shortening maintenance time by 40%. Fully compatible, no extra debugging, quick to use. Stable performance reduces vehicle downtime, high interchangeability reduces user costs.
Packaging & Marking
Packaging Configuration
Shockproof and anti-pressure packaging: inner EVA foam, middle plastic protective shell, outer reinforced carton. Switch fixed to avoid transport damage. Plug protected by plastic cover. Mounting accessories (screws, gaskets) independently packaged.
Marking Specifications
Outer Carton: Printed with OE, product name, vehicle model, quantity, batch number, weight, moisture-proof/shock-proof signs. Export has multilingual (English, Russian, Arabic) instructions.
Product Marking: Laser-engraved OE, rated voltage, current and batch number, wear-resistant and clear.
Customization Service: Neutral packaging and LOGO customization available. Carton printing, language and size adjustable by market needs.
Supply Capacity
①Inventory Status: Sufficient WG9130583017 stock, covering all applicable HOWO models, immediate spot delivery for urgent needs.
②MOQ: 5 pieces; bulk discounts (≥100 pieces); large customized orders' cycle adjustable by delivery time.
③Delivery Cycle: Spot orders shipped in 24-48hrs; bulk in 7-10 days. Foreign trade provides customs clearance and export documents, optional transport.
④Stability: Stable raw material supply and production lines, monthly output ≥8,000 pieces, no delivery delays.
Certification & After-sales Guarantee
①Certification Qualifications: IATF16949 and ISO9001 certified. Third-party test reports available for import/export.
②Quality Guarantee: 24-month warranty. Free return/replacement for non-human faults (poor contact, jamming, waterproof failure, oxidation).
③Technical Support: 24-hour online team, providing installation guidance, fault diagnosis and maintenance training.
④Return Policy: We bear freight for quality faults; free replacement for transport-damaged products.
Frequently Asked Questions (FAQ)
Q1: Compatible with all HOWO A7/T7H/T5G/TX?
A1: Yes, all SINOTRUK HOWO A7/T7H/T5G/TX. Provide model and production year for precise check.
Q2: Installation key points?
A2: Disconnect power; remove original switch; connect plug correctly; fix with screws; test all functions after power-on.
Q3: Foreign trade customization?
A3: Yes, neutral/LOGO packaging, multilingual manuals and full export documents.
Q4: Poor contact during warranty?
A4: Provide fault photos, batch number and vehicle model; free replacement + freight for quality issues.
Maintenance & Precautions
Installation Requirements
Disconnect power to avoid short circuit; check product integrity and plug cleanliness; connect plug correctly; fasten screws evenly; test all functions after installation.
Regular Inspection
Check handle and plug tightness every 10,000km; test gear sensitivity and functions; clean plug and shell; replace sealing ring if damaged.
Storage Requirements
Store in dry, dust-free warehouse, away from corrosives and high temperature; place horizontally; protect plug with plastic cover; 12-month unopened shelf life; avoid long exposure after opening.
Replacement Tips
Replace for lighting/wiper failure, gear jamming or poor contact. Replace screws and gaskets together; test all functions after replacement to avoid safety hazards.
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