Starion,
Thanks for the compliments. The wife's bike was a $75 Craigslist find. The entire bike had been disassembled and every last nut and bolt had been bagged and tagged. All I had to do was clean and assemble the chassis and paint the bodywork. The motor was intact but the owner said "It was puking oil out of every seal and gasket and is probably junk." A new tach drive seal cured the oil leaking problem.
My red racebike was found as a rolling chassis with a stuck motor rusting away under a pine tree. It was another Craigslist find for $35.
While I'm not positive, I believe your wiring harnesses should be the same. All the literature I've seen shows all years of CB175s to have the same wiring diagram. I'd bet that the plug connectors are the same. Here's a link to some wiring diagrams if you don't already have one. The 175s are half way down the page.
http://oldmanhonda.com/MC/WiringDiagrams/MCwiring.php#class Don't worry about posting 175 questions to the F-160 Yahoo list. There are a number of us running CB/CL175s and even a couple CB200s. One of us will have an answer for you.
Cheers, Bret @ Glass from the Past