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21N6-00012 Cab Wiring Harness for Hyundai R210LC-7 R250LC-7 R290LC-7 Excavator
If diagnosis has led you to the wiring, the 21N6-00012 Cab Wiring Harness gives you a complete, new harness for Hyundai R210LC-7, R250LC-7, R290LC-7 excavators instead of a patchwork of repairs on old, brittle wire.
Product Details
- Part Name: Cab Wiring Harness
- Part Number: 21N6-00012, 21N600012
- Condition: Genuine new
- Product Weight: 0.1 kg / 0.22 lbs
- Brand: TOPARTS
- Feature: Quality checked before shipping; built for heavy-duty use
Fits the Following Machines
Hyundai R210LC-7 R250LC-7 R290LC-7 Excavator
Its Role in the Machine
Protected from weather but not from wear, the cab harness flexes every time a seat is adjusted, a console is moved or a panel is opened. Over the years, these small movements loosen terminals and fatigue wires, especially behind the seat and under the floor plate.
The internal harness lives inside the operator's cab and connects everything the operator touches and sees: the monitor, switch panels, joysticks, key switch, controllers and relays. It is the link between the operator's commands and the rest of the machine.
Hyundai Robex excavators use electronic control for both engine and hydraulics, so a damaged harness can affect power, response and fault reporting.
How to Tell It Is Time for a New One
Typical signs include:
- Joystick or work mode functions not responding
- Burnt smell or discoloured connectors behind panels
- Switches on the console that do nothing or work only sometimes
- Faults that appear when the seat or console is moved
If these symptoms persist after checking fuses, batteries and grounds, the wiring itself is the next thing to suspect.
Installation Guide
- Remove the seat or console covers as needed to get clear access.
- Unplug the monitor and controller connectors carefully and check their locking tabs.
- Route the harness exactly as the original to avoid pinching under floor plates or seat rails.
- Test every switch and the monitor before refitting the panels.
Made to Last on the Job Site
TOPARTS harnesses are made to the original layout so that every connector reaches its component without strain. Protective conduit and tape guard the wires against abrasion, heat and oil in the engine bay and around the frame.
Repair vs. Replacement
Harness repairs are hard to do well in the field. Moisture gets into joints, tape loosens with heat, and intermittent faults come back. Replacing the harness gives you factory-style connections throughout and makes future troubleshooting far simpler.
Questions Buyers Often Ask
How long does shipping take?
Orders are shipped by express courier such as DHL, FedEx, UPS or TNT, and you will receive a tracking number by email as soon as your parcel leaves our warehouse.
Is this a genuine or aftermarket part?
Please see the Condition line in the specifications above. Every part is checked for fit and continuity before shipping.
What should I do if the part does not match?
Contact us with photos of the original and the new part. We will help you resolve the issue quickly.
Shipping and Payment
- Payment Method: PayPal, Stripe, Credit card, Visa, etc.
- Shipping Method: DHL, FedEx, UPS, TNT, USPS EMS, etc.
- Track Your Order: An email containing the tracking number with a link will be sent to you as soon as it ships.
Note: Please verify your part number and match our product pictures to your original item before ordering. If you have any questions, please feel free to contact us. Thanks.
