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8 replies

Lionel NYC E7 ABBA Programming as a Lash-up

E ezmikeOGR Forum Member

I have the above (6-24579, 6-24582 & 6-24583) from 2006 vol. 2 catalogue. The manual recommends to create a “Train” using individual ID numbers for the AA and Pwd B to get realistic operation. I followed the instructions and this is what I get: 

Headlight is on on the lead powered A when going forward and nothing on the unpowered A. 

Headlight is off on the powered A in reverse but it is also off on the unpowered A (now the lead unit).

Couplers do not fire on the unpowered A or powered B no matter which coupler button I press. 

However, if I punch up each unit individually everything works. 

These A units do not appear to have colored class lights.

I run into these programming “issues” every now and again when creating a “Train”. Is this how it’s supposed to work? Or, should I program them all with the same ID (one potential issue with this will be that the couplers on both the unpowered A and powered B will fire at the same time). 

Does anyone out there have these and what do you?

Thanks in advance. 

Mike

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SteimsSteimsOGR Forum Member DIGITAL SUBSCRIBER

Another thought....the rear F7A is non-powered so is has to "sense" when it is in reverse to turn on the headlamp.  When it is not moving or going forward it should turn the light off.  One truck has a magnet on a wheel set and a sensor determines if the dummy is moving and which direction.

Consider checking the connections to this sensor. 

 

 

Last edited by Steims
gunrunnerjohngunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER
Steims posted:

Another thought....the rear F7A is non-powered so is has to "sense" when it is in reverse to turn on the headlamp.  When it is not moving or going forward it should turn the light off.  One truck has a magnet on a wheel set and a sensor determines if the dummy is moving and which direction.

Consider checking the connections to this sensor. 

Pretty sure they "sense" the reverse using the TMCC stream.  There's actually no way for that wheel sensor to know which direction it's turning, it's a simple hall effect sensor.  There's just one pulse that says things are moving.  In any case, are you sure that even has a sensor?  I can't find a parts breakdown for this unit.

SteimsSteimsOGR Forum Member DIGITAL SUBSCRIBER

My original read of the post was F7s and not E7s.  On my set of F7s the trailing A had a hall sensor.   I assumed it was for the lights.  If I recall correctly, the cab lights went off when the loco started moving.  It also seemed to control smoke but I no longer own the set.   So my information is anecdotal and not based on any schematic.  

Last edited by Steims

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