RailPro > RailPro Specific Help & Discussion

LM-2S with a K-A, but no Bridge Rectifier??

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KPack:

--- Quote from: drisdon on October 16, 2019, 01:39:20 PM ---Kpack
Bill has the keep alives and bridge rectifiers in stock, all with free shipping!  :) 

I too will soon, once the painting and decaling is complete, be doing LM-3S installs with keep alives in three Genesis GP38-2's (CSX each in a different paint scheme), one Genesis GP40-2 (CSX) this one gets a LM-2S, one Atlas B23-7 (CSX Family Lines), and one Atlas GP40 (CSX B&O Painted).

Dan Risdon

--- End quote ---

The problem is that this is the last locomotive I have to do an install on for a while.  I likely will not need another for at least a year.  And I already have everything (LM-2S, KA, harness) except for the bridge rectifier.  It'd be so much easier to just install without it.

William Brillinger:
Kevin, I'll send you a bridge rectifier no charge. I only have a few left now.

CPRail:
Here are the results of last night's testing:

While the engine control and sounds are fine, as soon as you take the loco off the track, everything shuts off. Just like if there is no K-A installed at all.

So, hooking a K-A up LM-3S style to a LM-2S doesn't work. No idea if it works if you hook up a K-A the proper way but without a Bridge Rectifier.

Guess the old man will have to rip it apart and redo it!

William Brillinger:

--- Quote ---No idea if it works if you hook up a K-A the proper way but without a Bridge Rectifier.
--- End quote ---

If you connect a KA to the power leads, outside of the LM-2, without the bridge rectifier, it will explode.

CPRail:
Duly noted...

I have no desire to rename my layout the Chernobyl Central...

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