If you take a look at this thread https://www.turbobuick.com/threads/correct-name-for-this-part.465206/ he has a pic of blower. Notice the purple wire with connector ? it appears to be connected to blower frame.
I believe my blower motor in my 86 GN is squeaking . Usually gets better or disappears after running for awhile. I have the electronic controls which I believe uses a different blower motor than the manual C60 controls.
Are the bearing on these blower motors replaceable and if not where can...
Doing my first oil change A quick search shows many recommend the AC PF52 . I have my 86 GN configured in Amazon. When I search that filter on amazon it says "does not fit my car" ? If I search PF 47F it says it does fit my car.
This seems to be a very common problem with replacement seals. On my 87 the seals had been replaced. The doors were hard to shut and they leaked. I found it was somewhat better if I shut the door with the windows down and then put them up after but they still leaked. You wouldn't think it would...