HVAC
Posted: Tue Jun 15, 2021 7:17 pm
OK I'm trying to redo the wiring in the HVAC system. So far I've checked out 4 different wiring diagrams and nothing matches what is in my car and it's doing my head in. I am thinking of putting my own new wiring in to replace the mess behind the dash. My A/C system has been completely replaced and everything is new so that I can use R134a gas. We can't get the old type gas - I think it was R12 - here in Australia. Questions: What in blazes is a RANCO switch? It lies between the pressure cut out and full throttle compressor cut-out and is also connected to the idle stop solenoid. I have tried everywhere and all I can come up with is the name of a company that makes thermal switches. My thinking is this - I reckon I should be able to do away with the engine thermo switch, idle stop solenoid, full throttle compressor cut out and the ranco switch. Does anyone have any thoughts on the matter or should I just bite the bullet and go and see a sparky? Thanks in advance.