1996 GMC Sierra 1500 Consumer Discussions

Chevy Silverado and GMC Sierra Climate Control

No Heat/AC, Vents Only Work on Defrost

Written by: firestine on Jun 23, 2007 06:34 AM

I recently bought a 1996 GMC Sierra 1500 with 240k that runs great, but needs a little work. One issue I am trying to solve is that the vents only work on defrost. I don't hear anything when I switch it to the front vents or any other setting. What could this be caused by? Is it the AC control head or something else under the dash? More importantly, I have no heat or AC coming ... Read More...

Chevy Silverado: Problems & Solutions

Blower motor wont come on 1996 Sierra 1500

Written by: alively1 on Oct 02, 2005 04:50 PM

I have a GMC Sierra 1500 4 wd extended cab pickup. My blower motors were working fine. I shut them down when I parked the truck. I left again approx. 10 min. later, and there was no air blowing when I turned them on. I have checked all the fuses I can find, fuse block under hood and in the truck. cant tell which relays are to what under the dash, as my over the counter chiltons ... Read More...