2006 Chevy Trailblazer LS 4.2L

I have a 2006 Chevy Trailblazer, I just replaced my bad alternator to find that the idle is still bad.  My lights dim when my A/C is on and it feels like it is going to stall.  I checked the plug to the Actuator Solenoid and did not find any oil.  Now, when I turn my wheel all the way to the right/left, it almost stalls out and my inside volt meter drops quickly.

4 thoughts on “2006 Chevy Trailblazer LS 4.2L”

  1. with just the ignition key in the “ON” position and the engine not running, turn on the Air Conditioning to MAX and see if the radiator fan kicks on high. If not the high pressure switch maybe faulty.

  2. The fan did not turn on. Also I have seen some threads talking about cleaning the throtle body, could this be an issue? What is the the full name for the high pressure switch? Thank you for your time!

  3. rechecked my battery and it is pretty much gone. I am going to change it out on thursday and clean the TB. Are there any other suggestions?

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