Re: Packard Heaters

Posted by Packard Newbie On 2017/4/24 23:26:11

Thank you Howard, (again) you obviously know these cars inside out! I guess the heater IS in upside down with the emblem reversed, as I have had a couple of other folks comment on that as well. I had no idea! You are also right that there are 4 wires, with 3 in the cloth loom and a short ground wire sticking out the back of the unit, not connected to anything. I did check and the only wires connected to the 'W' switch are the 3 from the heater, so there is no power to the fan as it stands now. I can bring a fused hot line from the ignition easily enough, but the switch feels like it is a 2 position 'pull' unit, and I wonder if it can work in this application. Or is there a source from whence I can procure the 'proper' switch that would have the 'off' and 3 speed positions? Also, I don't see how the current setup can allow switching between defrost and cabin heat. I would rather have the original factory switch(es) appropriate to that heater, even though it is not original to the car. Also, do you think I can turn the heater around without having to reconfigure the whole ducting routing? Appreciate your input and advice.