Royal Enfield Bullet 350 J-Series Tail Light Wiring Harness 1100751

Restore the factory rear-lamp electrical connection on a compatible new-generation Royal Enfield Bullet 350 with genuine Royal Enfield 1100751. Listed in the factory rear-mudguard assembly as Harness Tail Light, this dedicated rear sub-harness is used between the motorcycle wiring system and the tail-lamp area.

Important: This is not the complete motorcycle wiring harness, complete tail lamp, bulb holder or bulb. Match the full reference, connector shape, wire routing and motorcycle VIN before ordering. Electrical parts are not returnable after opening, connection, installation or testing, subject to applicable law and the current store policy.

What This Product Is

• Genuine Royal Enfield rear tail-light wiring harness / sub-harness
• Exact catalogue part number: 1100751
• Factory description: HARNESS TAIL LIGHT
• Located in the rear mudguard and tail-lamp electrical area
• Normal catalogue quantity required: one
• For the new-generation Bullet 350 introduced from 2023

Key Features

• Original Royal Enfield electrical replacement component
• Model-specific length, routing and terminal arrangement
• Designed to connect within the factory tail-light circuit when correctly matched
• Suitable for replacing a cut, pinched, corroded or connector-damaged original sub-harness
• Avoids improvised wire joints when the complete matching harness is replaced
• Retains the original rear electrical layout and serviceability

Confirmed Compatibility

Colour does not determine electrical fitment. Confirm by VIN and connector arrangement, particularly on later production revisions and market-specific models.

Not Compatible / Do Not Assume Fitment

• UCE-generation Bullet 350 produced before the 2023 model change
• Classic 350 Reborn, Hunter 350 or Meteor 350 unless a VIN catalogue explicitly specifies 1100751
• Classic 350 UCE, Bullet 500, Classic 500, Electra or Thunderbird
• Himalayan, Scram, Guerrilla or any 411/450 model
• Interceptor 650, Continental GT 650, Super Meteor 650 or other 650 models
• Aftermarket LED conversions, modified lamp holders or cut-and-spliced custom wiring

What You Will Receive

1 × Genuine Royal Enfield Tail-Light Wiring Harness / Sub-Harness – 1100751

Only the separate harness identified by the part number is included. Packaging may show a suffix revision such as 1100751/B or 1100751/C depending on the supplied production revision; confirm interchangeability before connection.

Not Included

• Complete tail-lamp assembly
• Tail-lamp lens or reflector
• Bulb, bulb holder or bulb-holder wiring
• Indicators or indicator sub-harnesses
• Main motorcycle wiring harness
• Rear mudguard, lamp shroud, brackets or mounting cushions
• Fuses, relays, switches, clips, fasteners or installation labour

Related Rear-Lamp Parts

When Replacement May Be Required

• Tail or brake lamp operates intermittently when the rear mudguard or harness moves
• Connector body or locking tab is cracked, loose or heat damaged
• Wire insulation has been cut, pinched, abraded or melted
• Terminals show corrosion, water damage or previous incorrect repair
• The original harness has been cut during a tail-tidy or lamp modification
• Electrical testing has confirmed an open circuit or excessive resistance in this harness

A non-working rear lamp can also be caused by the bulb, bulb holder, fuse, brake-light switch, ground connection, main harness or tail-lamp assembly. Diagnose the circuit before ordering.

Technical Details

Pre-Purchase Checklist

1. Confirm the required base part number is 1100751.
2. Confirm the motorcycle is the 2023-on new-generation Bullet 350.
3. Check the complete label for any /B or /C suffix.
4. Compare connector body, pin count, terminal layout and locking tabs.
5. Compare wire length, protective sleeving, grommets and routing points.
6. Confirm the fault is not the bulb, bulb holder, fuse, brake switch or main harness.
7. Do not connect the part for trial if the revision or connector differs.

Installation Note

• Switch off the ignition and disconnect the battery negative terminal before electrical work.
• Use a trained motorcycle electrician or Royal Enfield technician.
• Release connectors by their locking tabs; do not pull on the wires.
• Inspect mating terminals for corrosion, pushed-back pins, heat damage and moisture.
• Route the replacement through the original clips and protected path.
• Keep wiring away from tyre contact, sharp mudguard edges, hot parts and suspension movement.
• Do not cut, splice, probe or alter the new harness.
• After installation, test tail light and brake light operation before refitting all covers.

Important Electrical Return Policy

Confirm part number, revision suffix, connector, wire colours, pin arrangement and motorcycle VIN before opening the sealed electrical packaging.

Electrical parts are not eligible for return after the packaging has been opened or the part has been connected, installed, powered, tested, altered or used, subject to applicable law and the current store policy.

Record one continuous unboxing video showing the sealed parcel, shipping label, Royal Enfield label, complete harness, connectors and terminals. Report a wrong, missing or transit-damaged item within 24 hours with the video and original packaging.

Frequently Asked Questions

1. What is Royal Enfield part 1100751?

It is the genuine rear tail-light wiring harness or electrical sub-harness for the compatible new-generation Bullet 350.

2. Which model is it confirmed for?

It is listed in the 2023-on Royal Enfield Bullet 350 rear-mudguard parts catalogue.

3. Does it fit the old UCE Bullet 350?

No. Compatibility is not claimed for the pre-2023 UCE-generation Bullet.

4. Does it fit every 2023-on Bullet 350?

Confirm the VIN, connector and revision suffix because production and market specifications can change.

5. What does Harness Tail Light mean?

It is the separate wiring section serving the factory tail-lamp area; it is not the complete motorcycle loom.

6. Is the complete tail lamp included?

No. Tail lamp assembly RAN00034 is a separate component.

7. Is the bulb holder included?

No. RAN00220 is separately identified as the bulb holder with wiring harness.

8. Is the bulb included?

No. The catalogue identifies the P21/5W bulb separately as RAN00217.

9. Are the rear indicators included?

No. This listing is only for the tail-light harness.

10. Is it the main wiring harness?

No. It is a smaller rear electrical sub-harness.

11. Is 1100751/B the same?

It is a related suffix revision. Confirm dealer supersession and connector details before use.

12. Is 1100751/C the latest version?

/C is an observed later revision, but exact interchangeability must be confirmed for the motorcycle VIN.

13. Can a bad bulb cause the same symptom?

Yes. Test the bulb, holder and power supply before replacing the harness.

14. Can a faulty brake switch stop the brake light?

Yes. Front or rear brake-switch faults can affect brake-lamp activation.

15. Can this harness repair intermittent lighting?

It may if testing confirms damaged conductors or terminals in this harness; other circuit faults can produce the same symptom.

16. Can I splice the old connector onto it?

Splicing is not recommended. If the connector differs, stop and confirm the correct part.

17. Should the battery be disconnected?

Yes. Disconnect the negative terminal before replacing or inspecting the harness.

18. Who should install it?

A trained motorcycle electrician or Royal Enfield technician should diagnose and install it.

19. Can it be returned after testing?

No. Electrical parts are not returnable after opening, connecting, powering, installing or testing, subject to applicable law and store policy.

20. What should be recorded during delivery?

Make a continuous unboxing video showing the sealed parcel, part label, harness, connectors and terminals.