Further to this, yesterday I coupled up my left over chassis to my Train Engineer DCC Battery Test Rig. Went quite well for a few seconds in the garden then a massive bang and smoke. Cue Dunny instantly switching the rig off lest the DCC setup got trashed, fortunately all was well except that a gizmo of some sort wired between the 2 white wires as seen below had attempted to do a firework demonstration. Now I have heard of these beasties exploding and in an odd case ending up with a minor conflagration. Looks like I have found the reason. Perhaps what was present was some kind of resistor / suppressor or such like to help prevent TV or Radio Interference. It has completely disappeared in that puff of smoke.
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So this morning I tested out the motor and it worked just fine, so again I have tested it on the Test Rig and it is working just OK. So yes now I have proved that it is possible to run a Newquid chassis on another system. But beware that dreaded gizmo joined across the Motor Terminals. Vid of the setup running, sorry was just a quick proving test in the Garden, B cold out there but it has also run for a time indoors as well.