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E: 15829336298@139.com
E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
| Quantity: | |
|---|---|
DZ9100580162
Shacman
| Attribute | Details |
|---|---|
| Part Name | Flame Preheat Relay / Intake Preheater Relay / Cold Start Preheat Controller |
| OEM Part Number | DZ9100580162 |
| Brand/Manufacturer | SHACMAN (Shaanxi Automobile Group), Original Equipment (OE) Standard |
| Type | High-power electromagnetic relay / Solid-state controller (depending on variant) |
| Voltage Rating | 24V DC (Standard for heavy-duty commercial vehicles) |
| Rated Current Capacity | Typically 100A–150A (designed for high-load preheating circuits) |
| Function | Controls power delivery to flame preheaters or intake glow plugs during cold start cycles |
| Control Logic | - Activated via ECU signal based on coolant temperature - May support timed preheat cycle (e.g., 30–60 seconds) - Indicator light synchronization with dashboard "Wait-to-Start" lamp |
| Housing Material | Insulated engineering plastic with metal mounting bracket |
| Terminal Type | Heavy-duty screw terminals or bolt-on studs for high-current connections |
| Mounting Location | Engine compartment or cab chassis rail near fuse/relay box |
| Protection Level | Designed for industrial use; resistant to vibration, dust, and moisture (typically IP54 rated) |
| Origin | China (manufactured for SHACMAN platforms) |
| Warranty | Typically 12 months depending on supplier |
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Verify Compatibility Before Purchase
Confirm that the relay matches your vehicle’s preheating system type (flame vs. glow plug), voltage, and terminal layout.
Disconnect Battery Before Work
Always disconnect the negative terminal of the 24V battery before installation to prevent short circuits or damage to ECUs.
Professional Installation Recommended
Involves handling high-current wiring and integration with ECU signals. Best performed by trained technicians familiar with SHACMAN systems.
Ensure Secure Mounting
Install in a stable location away from excessive heat or moving parts. Use original brackets if available.
Check All Electrical Connections
Ensure:
High-current cables are tight and corrosion-free
Ground connection is clean and secure
Control wire insulation is intact
Inspect Preheater Element Condition
If the relay failed due to overload, check the flame preheater plug or grid heater for short circuits, carbon buildup, or mechanical damage.
Avoid Bypassing Safety Features
Never hot-wire or bypass the ECU control — this can lead to overheating, fire hazards, or uncontrolled fuel ignition.
Test System After Installation
Perform full test:
Turn ignition ON → Wait-to-Start light should illuminate
Preheat cycle should last 30–60 seconds
Light turns OFF → engine should start smoothly
No burning smell or smoke
Use Genuine or High-Quality Replacements Only
Avoid counterfeit relays with undersized contacts or poor insulation — they can weld shut or fail catastrophically under load.
Regular Inspection in Cold Regions
In fleets operating in northern climates, inspect every 6 months for:
