or try this
Highlight machine, right click and  enter prefab  (mule, stam, cherry etc) highlight each light on the machine, press n then delete the "exploder_count" , now set the desired lights...

Cheers for this. Saves time on everyone remaking the prefab with working lighting Quick question, have you updated the file yet?

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i spent hours making this look good, not to mention all the stuff HeX Zombies did already to it at the start.
but i see you have help alread...

add me on skype: darexex i may be able to help