Wiring diagram for blower motor and components needed?

1991 CHEVROLET VAN
120,000 MILES • 5.7L • V6 • 2WD • AUTOMATIC
Avatar
YETIINYERANTS
  • MEMBER
  • 1 POST
About to do an overhaul of HVAC and coolant system. Cannot find wiring diagram for blower motor or shop blow-ups of the HVAC and coolant systems. I understand it's not overly complicated in these old g20s, just hard to access. I just want the drawings in front of me when I tear into this, so I have a reference.
Jan 26, 2025 at 8:45 PM
Advertisement
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,594 POSTS
Yep, this is a pretty easy system, here is the wiring diagram for the blower motor and resistor. Check out the images (below). Let us know if you need anything else.
Image (Click to enlarge)
Attached Media
Jan 27, 2025 at 3:19 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle