|Originally posted by sactodreamer:|
I'm working on changing over the Fiero HVAC controls and using 91-95 Camry controls for my replica build..........I've gotten just about all of it mapped for the Camry system but I need to know what letters H and K do. The way I interpret it is H provides a ground to the coolant fan relay and K provides +12v. I'm guessing that is to kick on the fan when the A/C is turned on.
I am currently finishing up a 1992 Camry dash swap in my 88gt and I have questions. Are you using the HVAC controls with the rotary mode selector or push buttons? I picked up a push button one yesterday and found a wiring diagram manual here: http://www.turboninjas.com/camry/
. The problem I see is that both the blower switch and mode selector switch operate on the ground side of the circuit, whereas the Fiero HVAC operated on the power side of the circuit. It looks like the rotary mode selector could be adapted but the push button one could not because of the LED's in the buttons. The other issue is the blower switch. The blower motor receives a constant voltage through the heater relay and the ground side runs through the resistor block. Also, high speed is run through the switch instead of a relay like on the Fiero. The way the Fiero blower circuit is wired, there really isn't a good way to make the Toyota switch work. I was thinking about adapting this
switch to work.
Just wondering what your plan was to adapt things, thanks.