My furnace (1995 Dutchmen) was blowing cold air when the heater was set to 90. I went and unplugged two wires on the furnace and heard the igniter turn on and it started working. Think there's a short...
The wire in the video is the leads to the motor. I would check the thermostat first. Remove cover find the two wires that go to the furnace. Dis connect them, twist the two wires together. The furnace should start up, and produce heat in 10-15 seconds. The separate the two wires, furnace should go into shut down, cool down and then shut off. Are you running on battery or shore power?
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