Description
💡 Rear Brake Light Switch (2003–2009 Models Only) – Hyosung GT125R / GT250R / GT650R Carb Models
This rear brake stop switch is a direct replacement for early carburetted GT / GTR Hyosung models (2003–2009) using the 2-pin bullet-style connectors (one male, one female) — the same type seen on older indicator wiring.
📌 Designed for plug & play use
📌 Tested on real donor bikes — fits perfectly
📌 Connector style: 2-Pin Bullet Plug (Male + Female)
📸 Compare with product photos before ordering!
✅ Confirmed Fitment:
🔹 GT125R / GT125 Naked – Carby models up to 2009
🔹 GT250R / GT250 Naked – Carby models up to 2009
🔹 GT650R / GT650 Naked – Carby models up to 2009
📸 You must have bullet-style 2-pin connectors on your wiring loom to use this switch.
❌ Will NOT fit:
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❌ Any EFI models (different plug)
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❌ GV125 / GV250 – wire too short
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❌ GV650 / ST7 – incompatible mounting & length
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❌ Later models (2010+) with updated connectors
⚠ Hyosung re-used similar-looking switches with minor revisions. Always check your connector type before buying — returns due to wrong plug type are avoidable and time-wasting for everyone.
🔎 OEM Ref: 37740HN9100
🚚 Shipping:
Delivered in 2–4 working days via Royal Mail
Need it faster? Drop us a message before ordering.
✈️ Worldwide shipping available — just email us for a quote.
🛠 Fitting Tips:
Super easy install — just unplug your old switch and clip this one into place.
No modifications required if your bike has the correct bullet-style connectors.
If unsure, email us with photos before ordering — don’t cut or modify your wiring. Replacement harnesses are no longer made!
Guaranteed service from a globally trusted Hyosung parts shop.











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