m/benelli-motorcycles u/Benelli Bruno 11 months ago

Help thread: Benelli TNT 1130 neutral light on but ECU does not see neutral

I am trying to build a sane checklist for Benelli TNT 1130 neutral light on but ECU does not see neutral before I start buying parts I may not need. I can inspect wiring and physical fitment, but I want to avoid missing the simple stuff: bad earths, melted connectors, loose clamps, leaks, or cheap accessories causing noise.

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u/TRK Mia 11 months ago

For Benelli TNT 1130 neutral light on but ECU does not see neutral, I would do a visual inspection first. Heat marks, loose grounds, cheap adapters, bad crimps and tired clamps explain a shocking number of problems.

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u/125 Ben 11 months ago

If you can, post a photo of the part, connector, plug color, or dash message. A decent photo can save half a page of wrong assumptions. That is how I would approach Benelli TNT 1130 neutral light on but ECU does not see neutral before spending money.

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u/Garage Sara 11 months ago

Does Benelli TNT 1130 neutral light on but ECU does not see neutral usually point to one system, or can it be caused by something completely upstream?

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u/Thomas Spagnoli 11 months ago

Thomas Spagnoli: workshop approach for Benelli TNT 1130 neutral light on but ECU does not see neutral

For Benelli TNT 1130 neutral light on but ECU does not see neutral, I would slow the job down for ten minutes and make the evidence visible. Guessing feels fast, but it usually makes the repair longer.

  1. Inspect the physical installation first: clamps, brackets, heat shields, routing, grounds, fuses, and connector strain.
  2. Measure voltage drop under load on electrical faults; for exhaust faults, listen for leaks at the head and joints.
  3. Do not ignore heat. Melted plastic, brown terminals, blue pipe sections, and cooked insulation are evidence.
  4. After any repair, test hot and cold. Many electrical/exhaust issues behave differently once everything expands.

Keep the original setup in mind. Many faults appear after a small change, and the change is often more useful than the symptom.

For students, this is exactly why I built the free Motorcycle Mechanics Course on this platform. It teaches the method behind fuel, spark, compression, charging, diagnostics and safe workshop habits, so problems like Benelli TNT 1130 neutral light on but ECU does not see neutral become a sequence instead of a guess.

Add the model year, mileage, recent work and what changed before the problem started. With that, the next test becomes much easier to choose.

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u/Benelli Bruno OP 11 months ago

I will test this in order and report back. This is already clearer than the usual 'replace everything' advice. This should make the Benelli TNT 1130 neutral light on but ECU does not see neutral thread useful for the next person too.

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