TCS 1618 IB-MB2 Motherboard for Intermountain & Bowser Locos, with Receptacles
Train Control Systems (TCS) IB-MB2. (This is not a decoder but allows you to add a keepalive and a 21pin decoder in the shell) This motherboard is designed to replace the original lighting board in Intermountain and Bowser locomotives. Created to fit the Intermountain S44 as well as the Bowser S12, the IB-MB2 will fit a wide array of other locomotives. However, it will require comparing the original light board as there are a few styles of Intermountain/Bowser motherboards which look very similar. Included on this motherboard is a KA2 Keep-Alive™ for smooth operation over troublesome tracks.
NOTE: this product does not function without a decoder.