My heat on my 97 is still not getting hot and the ac still isnt working. Now today i see the temp on it blinking what is this a sign of?

an error in the climate control unit

What kind of error. Should i get a diagnostic with a scan tool and could this be the reason my heat isnt working. How do i fix this

here u go

http://bonnevilleclub.com/techinfo/?article=45

I don't think the Techinfo method would work on a 97 (it works on my 93). If I am correct, you would need a scantool for that.

No heat situation that you describe may very well be a faulty air-mix actuator. Actually, I have the same problem right now (and the codes confirm that). I had the same problem about year and a half ago, which went away when I moved the actuator back and forth a few times :?: .

For the time being, this is what is working for me: when the car heats up, turn the temperature to the lowest. When the fan goes up to the highest, increase the temp to fairly higher than normal (like 24 C or 75 F). That usually gets the heat started, and then you get lower it down afterwards.

That seems to be working for me for the last couple of weeks. I will look into it further when it gets warmer. One solution may be to pop the actuator lever out and move the actuator arm completely to the passenger side manually (may not be ideal with summer approaching, though).

my bad i saw 93 in his sig and name and thought 93

trip to the dealer to pull the ECC codes