SKU: 1616
$49.95 Buy Now

The GEN-MB1 motherboard is designed to replace the original lighting board in Athearn's "Genesis" line of diesel locomotives.

For a list of models with confirmed compatibility with this motherboard, check out our Installation Pages.

Included on this motherboard is a KA4 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound and interruption-free performance.

NOTE: This product does not function without a decoder. Pick up an EU621 or WOW121 decoder to use this product.

NOTE: TCS motherboards feature on-board resistors for use with LED's. The GEN-MB1 motherboard also features an integrated regulated 1.5V power supply for use with factory Athearn "rice" bulbs. Please use the correct pads as labeled in the wiring diagram for your style of lights.

Dimensions: 2.85” x 0.66” x 0.55” or 72mm x 17mm x 13.9mm
Scale: HO Scale
Motherboard Literature
Wiring Diagram

One Year Goof Proof Warranty

All decoders are covered by a one year goof proof warranty. Please return in a small box.
You MUST register the failed decoder on our website at
Follow the instructions on the website before returning any decoders to TCS.