Hvac digital control will not turn on. the lights come on with the dash but norhing on digital display and nothing turns on. have now replaced control module its doing same thing. replaced the resistor, blower motor and relay. at a complete loss as to what is going on now. have spent over $300 and still nothing

 

It may well be the control unit itself that has gone bad on you.

 

we replaced the control unit it lights up when dash lights are on but the digital display doesn't work nor does any of the buttons. spent almost 200 on just that

 

also all fuses are good