Replacement Truspeed Contact Board 10 and wiper blade Contents: Contact Board 10 Controllers that use the Contact 10 board are all manufactured with the standard MODE selected for each model. (See Standard MODES  below) You can change this at any time. Instructions are under the tab for MODES:  below. If you want to receive the controller with your choice of MODE already set, please choose it from the options described under MODES: and write it in the section for notes at the checkout.  Certain models do not allow all the options, and some do not allow any, as noted below.  Standard MODES MT I ... Start Speed MT II ... Curve (Negative with Linear fully clockwise) PWM II (OLD version)  No modes are selectable. Digital controllers (Old models up to the year 2019) No modes are selectable. You can change these modes by simply changing the links and values as shown in the List of shorting solder links. (See the tab for MODES shown below.) The blue pre-set pot VR1, at the end of the contact segments, enables you to adjust the amount of effect your selected MODE will have on the trigger response.  Contact 10 enables you to clean the contact segments without opening up the handle.  Simple apply some cleaning fluid to a cotton bud and pass it through the air vents which allow easy access for cleaning.  Nickel/Gold finish on the contact board with Stainless Steel wiper Fingers.  Comes with new Wiper Fingers for this version.  (Customer to assemble as per instructions below) MODES: Instructions: Cleaning: List of shorting solder links for different modes. The board is configurable via the little shorting links A, B, C & 1, 2, 3 Below is the list of mode options and the links required to be made along with components value changes or omissions.  The blue pre-set pot changes the amount of effect that your chosen mode has on the trigger response.  **  Take care not to short between the link points, particularly with A & B  ** Start Speed : VR1 Pot B20K. R40 4K7 0805. Omit R1. Link B, C, 2 Curve Pos & Neg: VR1 Pot B20K. R40 4K7 0805. Link A, B, C, 3 Curve Pos:    VR1 Pot B20K. R40 4K7 0805. Link A, C, 3 Curve Neg:    VR1 Pot B20K. R40 4K7 0805. Link B, C, 3 End Sens: VR1 Pot B1K. R40 150R 0805. Link A, C, 1 Top Speed: Change VR1 Pot to B1K. R40 short 0805. Remove R18. Link A, 1 Click for Graphic Examples Notice: We have added the latest 15% Trump Tax Tariff on this item. We will return to pre-tariff pricing if the Supreme Court upholds the appeals court decision that they are illegal.