Everything done for you/plug & play sure are the way to go IF you trust the (other guy) to do it right!

I have to admit, the time to install my Painless harness was longer than I estimated, BUT, I was confident of all my terminations.

Soldered all high current carrying leads and had very few gremlins, mostly because it is a somewhat generic kit.

I purchased a Terminal Supply Kit so I had all the terminals I preferred
and the system worked at first start-up.

My 2 cents...Joe

P.S. Ordered a second one for our 71 RR