does anyone know if the 2004 dash piece will fit onto the 2000 dash board. I have a customer that wants to put a double din radio into his 2000 so i need the opening that the 2004 has.

I think you might have to get a set of HVAC controls from the 2004 to go with it, also

Will the 03 and up HVAC controls work with the 99-02 wiring??

Will the 03 and up HVAC controls work with the 99-02 wiring??
'03 up has dual blend doors and controls.

'03 up has dual blend doors and controls.

Even the base model?

so do u know if the wiring for the new 2004 silverado HVAC controls will work for the 2000?

Not a clue

what year is ur truck?

2002