I know on my AC unit it has a plug in spot for the heat strip (I have not installed one yet). Does the color of the wires from this AC plug in spot (White and grey?) match what you show on your schematic?
I guess you can hook it up and see what happens. (you might be able to do this on your bench with 12 v source and an old thermostat?? Just seeing if heat strip turns on and off).
The strip might be a simple ON/OFF so when it the stat tells its below like 65 it kicks on then off at 70? or something like that?
Let us know what you find out.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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