Here is you drawing, use 500 ohm resistor instead 100
https://www.google.ca/search?q=led+in+parallel+with+coil&rlz=1C1AFAB_enCA475&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiVlJPLsMLaAhVK74MKHUZdB8sQ_AUICigB&biw=1440&bih=787#imgrc=hKW3FVtcdNEdPM:
Post the picture of the back PCB.
Measure voltage on pin Vcc