Product Support for: Mobile Decoders -> 1.5 Amp Economy HO Scale Mobile Decoder (DH123D)
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2 Articles Found for DH123D
I'm trying to install a DH123D decoder in a Life like P2K PA loco and make the mars light work. HELP! Because the DH123D is a two-function decoder (front headlight, rear headlight), it may not be the best decoder choice for this locomotive. In practice, some PA's had only one headlight, thus there would be no Mars light. The DH123D would be an appropriate choice for those locomotives. Typically, eastern railroads would just have one headlight; think Pennsy and Southern Railway. Western railroads, because of higher train speeds, often used warning lights such as the Mars Light or Pyle Gyra-Light; ...
Application Note: Walthers/Life-Like F7 H0-Scale steps needed for the DH163D DH123D decoder installation. Remove packing protectors screwed to coupler pockets: Carefully remove shell by spreading sides at side windows: Here's an alternate method for removing the loco shell - our F7 unit had a particularly stubborn shell. In place of the X-acto knives pictured, we recommend toothpicks or something a little safer.. Remove DC Plug (or a DC Printed Circuit Board in this case) from the wiring harness: DC Plug shown removed: Plug DH123D or DH163D decoder to 9 pin wire harness and mount it as shown: Reinstall loco shell.