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hello fellow ogr members. i have a lionel 6-11411 mohawk in which i have some problems with it. at certain parts of my lay out the headlight flickers. i assumed it was signal loss so i checked the antenna on the engine with an ohm meter to see if it is touching the body which it wasn't. i wave my hand over the engine and the flickering light goes away. the legacy base is plugged into a grounded outlet and no other of my legacy engines does what this engine is doing. when i try to turn off my smoke, it takes several tries before it finally goes out. any ideas besides sending it to lionel? thanks for reading. bill

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There isn't too many items that can cause this, it's either signal issues at that part of the layout, or reception issues with the locomotive.

 

Does it work properly if you take an insulated wire and connect it ONLY to the earth ground and lay it along the track in that section?  Earth ground is the round prong of the outlet connection or pin 5 of the TMCC/Legacy command base serial connector.

 

Assuming that doesn't help, do ANY other locomotives have any issues at those areas of the layout?  If not, then I'd remove the shell and make sure that both antennas (handrails) are connected to the antenna connection.  If so, the next thing you can try is swapping the R2LC from that engine with another properly working engine.  Make sure you do a full reset and type configuration whenever moving the R2LC between engines.

 

If the replacement R2LC doesn't have an issue, you probably need a new R2LC.

 

Last edited by gunrunnerjohn

hello gunrunnerjohn. thanks for the reply. all other engines works fine on the section of track in question. the other suggestions did not correct the problem. i was thinking the same thing about the r2lc but on this loco, the parts list doesn't list that item but is the rcmc the same thing? if so then i think i need to order this. thanks again. bill

Sorry, I didn't look it up and assumed it was a TMCC locomotive, my bad.  

 

This is the newer Legacy electronics package.  The small board perched on top of the main board is the TMCC receiver, but AFAIK, you can't purchase those separately, a real ripoff if you ask me.  You'd have to swap that little board with another similar locomotive to give my suggestion a try.  The small TMCC board is on with press-on machine pins, it can be removed, you just have to do it carefully as the pins will break if you bend them very far. 

 

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