I don't have access to the HVAC section of the manual at the moment
(iPad in Doctors office) but there is a clip on the blower motor body,
that's one end of the wire and what allows flow through the motor.
Later today, with my desktop, I can zero in on the place in the
HVAC section of the Pontiac written manual and show you.
That section is awesome and very necessary, but I think we have
touched on the HVAC wiring a few times before. Try running a
search and see if you can find it already on here or on the other
popular sites. I'll check back later and add it here if not.
Joe