Ok,here is my CMS mod.
Due to failed tail light I tracked problem to the CMS and decided to complete the mod I had been planning to do...
I kept all high,low,tail,brake current running thru the CMS per stock(had considered bypassing wiring external CMS but trying to not modify stock wiring),but wanted to keep the fail indicators working, but change to LED lighting that would cause fail indicators to turn on.
So instead of the fail indicators being activated by