Bad Motivator - electronics/electrical work UPDATE 2

So Saturday I set up the electrics so I could easily work on them outside of R5's body.

excuse the hanging regulator, [mid left] this was just a wired up to test

I tested the new regulator and the bad motivator board worked.

Then I connected up the slip ring into the circuit, all good still.

Next, I connected up the door actuator ......and it didn't work properly!

Then realised I was using the old one.....so swapped it for the new one and, YES, it works. No fluttering! So I now know the old actuator is broke, cause tho??? We'll see how long this new one lasts.

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Sunday I fitted R5's dome onto his body and re-tested everything.

Test one, motivator and smoke system work perfectly.
Test two, again, all works.
Test three......smoke yes, actuator not so great!?!?!

It activated and moved a little, but then stopped, not completing it's full travel.
And it also felt warm, need to look into this further.....