1618 TCS Train Control Systems / IB-MB2 Motherboard (SCALE=HO) Part # 745-1618

This HO scale IB - MB2 motherboard from 1618 TCS Train Control Systems (Part # 745 - 1618) is a great replacement for the original lighting board in Intermountain and Bowser diesel locomotives. It fits a wide range of locomotives, including the Intermountain SD40 - 2 and the Bowser C - 636. With dimensions of 2.82” x 0.69” x 0.33” (72mm x 18mm x 8mm), it's compact and efficient. It comes with a KA2 Keep - Alive™ for smooth operation on tricky tracks. Pair it with a WOW121 for top - notch sound and uninterrupted performance. Note that this product needs a decoder (like EU621 or WOW121) to work.

Using this HO scale IB - MB2 motherboard is straightforward. First, make sure to pick up an EU621 or WOW121 decoder as the motherboard won't work without one. When replacing the original lighting board in your Intermountain or Bowser diesel locomotive, compare it with the original light board as there are similar - looking Intermountain/Bowser motherboards. Once installed, enjoy the smooth operation provided by the KA2 Keep - Alive™. For top - notch sound, pair it with a WOW121. When it comes to maintenance, keep it clean and free from dust. If you notice any performance issues, check the connection with the decoder.