2000 gmc Sierra, a/c heater control switch

2000 GMC SIERRA
10,500 MILES
Avatar
TEFFANY1
  • MEMBER
  • 1 POST
2000 gmc Sierra, a/c heater control switch only works on numbers 4 &5 , a/c works fine but heater is barely working. Truck temps read perfect and we already tried changing the actual switches in the truck only to have it do the same thing. Any suggestions?
Dec 7, 2011 at 5:51 PM
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
the blower resistor has failed it is under the right side of the dash by the glove box. i would replace the connector as well.

Roy
Dec 7, 2011 at 6:02 PM
🔧 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