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  I have a U30C Union Pacific #2938. I had to replace the R2LC board. The Eng. now runs and all sounds, smoke work but no Cab lights. Reset done- eng, 38 set, (horn blows) then Aux1, then 8.(horn blows) Off 10 sec  - No change. Reseated DCDS 10 pin connector (on wire connected to it)  Any ideas what to check next? I did notice that when power is first turned on some lights do flash for 1 sec.  Thanks, Art

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Well, I have tried all the different # s to reset TMMC.-no joy.  I now have jumped the lamp contact pad to light pad springs and have found lights to work. I guess I could eliminate spring contacts pad, light springs and connect wires together eliminating that way of doing it and just use quick disconnects. Sometimes you do what you have to do.

 

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