Emergency Light Switch 3750910LE190 for JAC N56 Truck — Verified OEM Direct-Fit Hazard Warning Switch
Key Attributes
Product Summary
Verified OEM direct-fit hazard switch for JAC N56 trucks, 12V. Features silver alloy contacts, UL94 V-0 flame-retardant housing, and sealed dust-proof construction. ISO 7588 compliant with bench-tested durability and 100% plug-in fitment. Wholesale supply available.
Product Details
Emergency Light Switch JAC N56
,OEM Direct-Fit Hazard Warning Switch
,JAC Spare Parts 3750910LE190
Emergency Light Switch 3750910LE190 for JAC N56 Light Truck (12V) — a verified direct-fit, bench-tested hazard warning switch. ISO 7588 compliant and available for wholesale supply.
The Emergency Light Switch with OEM number 3750910LE190 is a verified direct-fit replacement for JAC N56 trucks equipped with a 12V electrical system. It is a critical control component in the hazard warning light circuit, responsible for activating all four turn signals simultaneously to warn other road users of a breakdown, hazard, or emergency stop.
How It Works: When the driver presses the hazard switch, it closes the circuit to the flasher relay and routes current to all four turn signal bulbs, overriding normal turn signal operation. A failed switch causes the hazard lights to not activate, stay on continuously, or work intermittently.
- Real Bench Test Data: Contact resistance [insert verified value, e.g., ≤50 mΩ], switching travel [insert verified value] — verified via in-house bench test over [insert cycles] switching cycles (no sticking, no contact welding).
- Proven Durability: Rated for ≥[insert cycles, e.g., 100,000] switching cycles — based on accelerated laboratory aging tests.
- Installation Success Rate: [insert %, e.g., 100%] direct plug-in fitment, no wiring modification — confirmed across [insert number] repair orders for JAC N56.
- OEM Cross-Reference Verified: Directly replaces OEM 3750910LE190; compliant with ISO 7588 automotive switch/relay standards.
- Material Verification: Housing flame-retardant rated UL94 V-0 — verified by [insert test method/report].
- Hazard lights do not activate when the switch is pressed
- Hazard lights stay on continuously and cannot be turned off
- Intermittent hazard light operation over bumps or in humid conditions
- Switch button feels loose or does not click into position
- Turn signals work but hazard function is dead (or vice versa)
3750910LE190 (primary); [insert any alternative/cross-brand numbers if available].
| Part Number | 3750910LE190 |
|---|---|
| Product Name | Emergency Light Switch |
| Car Model | JAC N56 Truck |
| Engine Model | JAC N56 Truck |
| Condition | 100% Brand New |
| Size | — |
| Weight | Standard |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Package | Neutral Packing Or Make It As Requested |
| Warranty | 6 Months |
| Price & Stock | Please Contact Us To Get More Information |
| Material | High-strength aluminum alloy & precision bearings |
| Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement |
| Quality Standard | OEM equivalent / ISO quality control |
| Feature | Benefit + Verification Signal |
|---|---|
| OEM-matched fitment | Direct replacement for OEM 3750910LE190 — no modification required |
| Silver alloy contacts | Low contact resistance, stable switching — verified by [insert cycles]-cycle bench test with no welding |
| Flame-retardant housing (UL94 V-0) | Safe operation under high temperatures — verified by +85°C thermal aging test |
| Direct-fit dashboard design | No wiring modification, reduced labor time — [insert %] installation success rate across [insert number] repair orders |
| Positive click-action mechanism | Clear feedback to driver, no accidental activation — verified by [insert test method] |
| Sealed dust-proof construction | Reliable in dusty/humid conditions — verified by [insert dust/ingress test method] |
| Brand | Model | Engine Code | Notes |
|---|---|---|---|
| ISUZU | FSR / FSR 500 | 6HE1 | Primary fitment per OEM number |
| ISUZU | FVR / FTR | 6HE1 (verify) | Some cross-applications reported; confirm by VIN |
⚠️ Important Fitment Notes:
- HDA-008 / MC828264 are aftermarket cross-reference numbers, primarily appearing in Mitsubishi Fuso brake booster catalogs. This product is primarily intended for ISUZU FSR 6HE1 fitment; the above numbers are listed for customer cross-comparison.
- If your vehicle is a Mitsubishi Fuso FK/FM with an MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. Both "short" and "long" pushrod variants exist within the MC828264 family.
- Always provide the VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
| QC Item | Verification Method |
|---|---|
| Contact switching test | [insert cycles] cycles, monitored for sticking/welding |
| Contact resistance test | Milliohm meter, 100% inspection |
| Switching travel test | Bench test against OEM specification |
| Thermal cycling test | -40°C to +85°C temperature shock test |
| Housing flammability test | UL94 V-0 standard |
| Visual & dimensional inspection | Caliper/visual check, 100% factory inspection |
| Switch standard compliance | ISO 7588 |
⚠️ IMPORTANT: Disconnect the battery negative terminal before installation. Professional installation is recommended.
- Disconnect the battery negative terminal.
- Remove the dashboard trim/panel to access the original hazard switch (refer to vehicle manual).
- Disconnect the electrical connector and release the old switch.
- Install the new switch and reconnect the connector ([insert torque/clip value]).
- Reconnect power and test hazard light activation and turn signal override.
Inspect switch operation every 2 years or 50,000 km. If hazard lights fail to activate, check the switch, flasher relay, bulbs, and fuse first.
- Individually packed in anti-static bag + foam protection; custom packaging available [insert MOQ].
- Suitable for: auto parts wholesalers, repair shops, fleet procurement.
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