Hi im new to this forum and i have a question, I bought some high torque stepper motors to upgrade my custom 3d printer and I can’t seem to figure out what wires go where on my ramps board 2B 2A, 1A, 1B. The motors are 17hd60001-22b by busheng. They didn’t come with a scymatic and any help would be greatly appreciated. Here are the specs… Thank you in advance. 1m wire, one connect electrical machine, on the other end has variety optional ports; heat shrink tubing effect to prevent the wire tangled up D-shaped axle with 22mm, electrical machine with high-torque, high-speed, low noise Suitable for 17HD60001-22B mixing type stepping motor Outside view: Shown as the pictures Drive mode: Chopping wave constant current drive Exciting mode: Two-phase 4-wire. It is available for rotation of forward and reverse Swerve: The order of power is AB-BC-CD-DA, from shaft end to see C.W Rated current (one-phase): 1.5A DC Rated voltage: 2.4V Stepping angle: 1.8 Insulation grade: B grade Specifics: Operating Conditions: Environment Temperature: -20~50 ; RH: 90%MAX; Mounting Position: Axis horizontal or vertical installation Direct-current winding resistance (25 ): 1.6 10% Wnding inductance: 3.6mH 20% Cogging torque: 40mN.m REF Holding torque: 600mN.m I=1.5A Max. no-load starting frequency: 1200pps Max. no-load running Frequenc: 8000pps

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Sorry, cant really understand your question…You have a motor with a pre-made cable like this:

http://www.ebay.com/itm/Nema17-Stepper-Motor-100oz-in-1-5A-60mm-for-3D-printer-CNC-17HD60001-22B-/311413328428

Just plug it into the ramps and it will work:

If you don’t have a connector on the other end of the cable use the multi meter to define the pair of cables.

https://www.youtube.com/watch?v=IEmGOuMFPKQ&index=3&list=PLihtX1E58L7GA8cbQmpMj8C6W7_qd6Zor