
Waterproof Tongsheng EB‑BUS Extension Cable 1T1/1T2/1T3/1T4 for TSDZ2 & TSDZ2B mid‑drive ebike motor. 5PIN /6PIN versions, connects controller, display, throttle & brake levers, multiple optional lengths, direct‑fit replacement spare harness.
This professional EB‑BUS multi‑split extension wiring harness is a dedicated replacement spare part engineered for Tongsheng TSDZ2 and TSDZ2B electric bicycle mid‑drive motors. Multiple split‑port configurations and waterproof connectors ensure stable signal transmission, ideal to replace aged, cracked or damaged original cables for ebike maintenance and rebuild.
✅ Tongsheng TSDZ2 E‑bike Mid‑Drive Motor
✅ Tongsheng TSDZ2B E‑bike Mid‑Drive Motor
✅ 5PIN / 6PIN EB‑BUS Display, Throttle, Brake Levers
| Parameter | Value |
|---|---|
| Product Versions | 1T1‑5PIN, 1T2‑5PIN, 1T2‑6PIN, 1T3‑5PIN, 1T4‑5PIN |
| Available Length | 110cm / 43.31 inch; Partial version support 50cm /19.69 inch |
| Main Connector | 1 port to Tongsheng mid‑motor controller |
| Split‑ports | 1‑4 output ports for display, throttle, brake levers according to version |
| Connector Grade | Waterproof sealed connector |
| Cable Type | EB‑BUS signal extension harness |
1 × EB‑BUS Extension Cable (Selected version as ordered)
✅ Precision OEM Pin Definition: Strictly follow original factory pin assignment, plug‑and‑play, no soldering required for installation.
✅ Multiple Split‑Port Options: 1T1/1T2/1T3/1T4 optional, match different setups: single display, display+throttle, display+dual brakes, full set of display‑throttle‑dual‑brakes.
✅ Waterproof Sealed Connectors: Effectively block dust, mud and rainwater, guarantee steady signal output under complex riding weather.
✅ Durable Cable Sheath: Abrasion‑resistant and anti‑aging outer jacket, prevents cable cracking for long‑term service.
✅ Wide Application Scenarios: Suitable for ebike repair shops, DIY motor rebuilders and wholesale distributors to solve wiring failure issues.
Brand: Tongsheng
Product Name: EB‑BUS Multi‑split Extension Wiring Harness
Available Versions: 1T1‑5PIN, 1T2‑5PIN, 1T2‑6PIN, 1T3‑5PIN, 1T4‑5PIN
Cable Length: 110cm / 43.31 inch; 50cm /19.69 inch(partial SKU)
Connector: Waterproof EB‑BUS connector
Compatible Motors: Tongsheng TSDZ2, TSDZ2B E‑bike Mid‑Drive Motors
Color: As shown in the picture
Package: 1 × Selected EB‑BUS extension cable
Please verify your motor model, display pin type (5PIN or 6PIN) and required split‑port version before placing your order to prevent incompatibility.
Minor color differences may appear due to lighting conditions and screen display variations.
Allow manual measurement tolerance of ±1‑2cm for cable length.
Only the listed EB‑BUS extension cable is included; display, throttle, brake levers and other accessories shown in reference images are not part of the package.
Make sure connectors are fully tightened after installation to keep waterproof performance.
Perfect spare parts for e‑bike repair stores, DIY motor rebuilders and ebike wholesale distributors. Cost‑effective wiring harness kit to resolve TSDZ2 / TSDZ2B mid‑motor wiring failure and restore normal signal communication.

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
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