one of them when you blackout on the lighting controller the belt or something seems like it's slipping. and the 2nd light, some of the plug connections got frayed. where would the best place to get a wiring harness for it. Thanks for your help.

You'll need to contact the ADJ parts department to place an order for the complete wiring harness (800-322-6337).

Here's the part # and price.

Z-ACCUSP250-WH............$30.00