Actually, and this may be the difference from what I was told by soundtraxx.. I was having a problem resetting my alco at one point(econami), and contacted them about it. I reset it to 08, but, two things I was advised:
1. The lights should actually flicker(he said it would flicker up to 8 times quickly. I couldn't count the fast flickers, so I just watched it flicker, and took it as that) when the 08 reset is successful.
2. Most important, as you said you had a resistor(did you mean capacitor, aka current keeper? ) in it, unless I read incorrectly. You have to give the soundtraxx decoders, as I was instructed by them, a good 10 to 15 seconds without power(after wipingwith CV08), before putting them back on the track. I always at first just counted to 30 Mississippi after I removed them from the programming track to be sure I let it wait long enough. Now, if you "do" have a capacitive system(keep alive, current keeper, capacitor, etc.), that time is going to be quite a bit longer. If that is the case, and anything like my T2's or other locos with capacitors, it can take anywhere from 10 seconds on up to 30(it does take that long honestly) for the power to leave the capacitor/ locomotive(the lights will dim, and sound go down, and then both will cut off) . Then, you begin your count down for resetting mentioned in first step.
Honestly, if I had to reset one(locos with the capacitive system), I would just do the reset on the locomotive, take it off the track so the power will leave the system, and go do something else right quick. Then, by the time I got back, it would be ready for the next step.
Those are the three tips from my experience with t2's with and without capacitors.. Hope it helps..
Also, what DCC system are you using, as there may be a different process or steps needed(mine is a powercab, so my instructions and examples are with that)..
Sent from my Note 8