Application is a Weaver GP35 or 38 which we need a test board for.
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I believe 06 or 07 and before are slightly different.
Thanks..i noticed on the Bay some had a "12" after the R2LC
The main current used board is the R2lC C08. Earlier are obsolete, but the primary issue was different half sine wave form that would not run LED on the C08 engines with out swapping leads.
Lionel states later codes like 12 or 13 can be used in place of lower codes like 8, but plenty of C08 available and that is what the Non Lionel engine had (Weaver, Atlas, K-Line). Even ERR sends a C08 board, though it is a reconfigured R4LC with TMCC code. G
ERR states you need the C08 board for their products, I've used the C11 and C13 with them as well. The versions prior to C08 had a reversed half/wave signal from the headlight outputs, that changed with C08. I always wondered why they did that. The only reason I could think of was since the smoke runs the opposite half/wave polarity, perhaps they were trying to even the load with the headlight bulbs so they didn't impart a DC bias on the track?
Yay...thanks gents, the R2LC board replacement solved the problem.
We love a happy ending. 
