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NMRA harness & plug

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  • Member since
    February 2002
  • From: Reading, PA
  • 30,002 posts
Posted by rrinker on Tuesday, January 11, 2011 4:46 PM

 If you use decoders that have 9 pin connectors on the decoder, Digitrax sells 9 pin dummy plugs that you can put on in place of the decoder to convert the loco to plain DC. This will work even when the decoder has to be hard wired. FOr locos that already have 8 or 9 pin plugs, they always come with a dummy plug so the loco can run out of the box without a decoder. Just don't throw them away.

                       --Randy


Modeling the Reading Railroad in the 1950's

 

Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.

  • Member since
    January 2001
  • From: SE Minnesota
  • 6,847 posts
Posted by jrbernier on Tuesday, January 11, 2011 4:39 PM

dbduck

how do they do MUed with conventional DC locos on DC?

  Now that is one area you might have a problem with as a DCC engine will start moving at a higher DC voltage.  But I never had any real good luck MU'ing engines with DC to start with.

Jim

Modeling BNSF  and Milwaukee Road in SW Wisconsin

  • Member since
    July 2006
  • 3,312 posts
Posted by locoi1sa on Tuesday, January 11, 2011 4:32 PM

  The TCS decoders are very good for DC operation. They act like there is no decoder at all.

    Pete

 I pray every day I break even, Cause I can really use the money!

 I started with nothing and still have most of it left!

  • Member since
    December 2004
  • From: Louisville
  • 588 posts
Posted by dbduck on Tuesday, January 11, 2011 4:09 PM

how do they do MUed with conventional DC locos on DC?

  • Member since
    May 2008
  • 4,612 posts
Posted by Hamltnblue on Tuesday, January 11, 2011 3:57 PM

They perform fine unless you're one who runs at max speed.  Having a decoder will reduce the maximum speed a bit.  Most run much lower so it's not an issue.

Springfield PA

  • Member since
    December 2004
  • From: Louisville
  • 588 posts
Posted by dbduck on Tuesday, January 11, 2011 3:48 PM

It was my understanding that a locomotive does not perform as well on DC when equipped with a dual mode decoder as it would running strictly DC

  • Member since
    December 2004
  • From: Pa.
  • 3,361 posts
Posted by DigitalGriffin on Tuesday, January 11, 2011 2:46 PM

Why would you want to?

Remove shell, swap plug for DCC.  Remove shell, swap plug for DC.  Why?  Just get a dual mode decoder and be done with it.

Don - Specializing in layout DC->DCC conversions

Modeling C&O transition era and steel industries There's Nothing Like Big Steam!

  • Member since
    December 2004
  • From: Louisville
  • 588 posts
NMRA harness & plug
Posted by dbduck on Tuesday, January 11, 2011 1:54 PM

Does any Mfg make a wiring harness for a decoder that also includes a dummy plug so the locomotive can be use in either DC or DCC mode?

 I know there are dual type decoders but just thinking along this line at this time

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