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Diesel Parking Heater Wiring Harness 12V 24V | Round & Triangle
Diesel Parking Heater Wiring Harness 12V 24V | Round & Triangle
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Diesel Parking Heater Wiring Harness Cable Adapter — Round & Triangle Plug
Keep your diesel air parking heater running reliably with this complete wiring harness loom and power supply cable adapter. Designed to work with popular parking heater brands including Webasto and Eberspacher units, this harness connects the heater motherboard, LCD control switch, fuel pump, and external power supply into one organized, plug-and-play loom — making installation or replacement straightforward.
Key Features
- Universal Compatibility: Fits diesel air parking heaters using either a Round or Triangle control panel plug — check your control panel plug type before ordering.
- Dual Voltage Support: Works with both 12V and 24V systems, suitable for cars, trucks, RVs, vans, and boats.
- Generous Cable Length: Total cable length of approximately 2 meters, giving you flexible routing options during installation.
- Complete Connection Set: Connects the heater motherboard, LCD switch panel, oil/fuel pump, and external power source in one tidy harness.
- Color Options: Available in Black or White to suit your installation preference.
- Durable Construction: Built to withstand the demands of automotive and vehicle heating environments.
Specifications
| Voltage | 12V / 24V |
| Color | Black or White |
| Total Cable Length | Approx. 2 Meters |
| Plug Type | Round or Triangle (please verify before ordering) |
| Compatible Brands | Webasto, Eberspacher & compatible diesel parking heaters |
| Country of Origin | Made in China |
⚠️ Important: Please verify the plug shape on your heater's control panel before ordering — Round and Triangle plugs are not interchangeable. Pay close attention to the color and style of your existing plug to ensure a correct fit.
What's in the Box
- 1 × Wiring Harness / Loom Cable Adapter
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Frequently Asked Questions
Q: How do I know whether I need the Round or Triangle plug wiring harness?
A: Before ordering, physically inspect the control panel plug on your existing diesel parking heater. The plug housing shape — either round or triangular — determines which harness version you need. Using the wrong plug type will result in an incompatible fit, so take care to match this carefully.
Q: Is this wiring harness compatible with both 12V and 24V parking heaters?
A: Yes. This cable adapter supports both 12V and 24V diesel air parking heater systems, making it suitable for a wide range of vehicles including cars, SUVs, trucks, vans, RVs, and boats.
Q: What components does this wiring harness connect?
A: The harness is designed to connect the heater's main motherboard, the LCD control switch panel, the fuel/oil pump, and the external power supply — providing a complete, organized wiring solution for your diesel parking heater setup.
Q: What is the total cable length of this wiring harness?
A: The total cable length is approximately 2 meters (about 6.5 feet), which provides enough reach for flexible installation and routing in most vehicle engine compartments and cabin areas.
