A/C & NON-A/C HEATER FAN SPEED BLOWER SWITCH. This listing is for an reconditioned a/c & heater fan/blower speed switch part #. For all 1968-72 Mopar A-Body cars with factory air conditioning AND factory heat. Switch has been acid cleaned/dipped, lubricated & tested to function correctly. Chrome knob is in good condition with some minor pitting. Harness is in very clean original condition, without burned o. Ready to install & use. Fan switches typically only fail due to overheating due to a failed or failing blower motor. It’s important to make sure the problem is resolved the replacement switch will also fail. 68-72 Mopar A-Body HEAT A/C Fan Blower Switch Air Conditioning 2864591 69 70 71.