91 burb heating problem

I just finished with checking out the blower on my 91 burb and even with a different one I still had a problem with the fan only on low you could just hear it. I changed the fuses and checked the ground running externaly on the outside of the blower motor. is there a ground still under the dash? and should I or do I have to pull the dash apart In order to get to the ground? My thought would the the blower motor switch at this point please let me know what ya think

Is your blower motor accessible or is it hidden behind 3 hours of work like on my 93 Suburban? AKA removing the glove box, computer & bracket, losening the lower dash, removing the noise dampner just to get to the blower motor) After I got to mine there was only two wires, one was a ground and the other I applied power to test it. LM

thanks leagacy man I have not had the chance to dive into the problem yet but my thoughts were heading that way just to test the connection
thanks:biggrin: