A/c clutch not engaging - Ford F150 Forum - Community of Ford - Ecu video display units evaporator temperature based upon the voltage reference it gets from the a/c sensor (evaporator thermistor) in the evaporator housing. Eu video display units refrigerant stress thru low pressure activate receiver-drier. If refrigerant pressure is much less than 28 psi (2.0 kg/cm), the low pressure switch contacts open. European then stops compressor operation to save you adverse the compressor. (indicating evaporator temperature is just too low) , or if the low pressure switch contacts are open (indicating refrigerant device stress is too low), the eu will now not energize the a/c clutch relay. A/c thermostat (temperature manipulate thermostat) is in evaporator housing. Low stress transfer is on receiver-drier. System makes use of a 3-speed blower motor in place of a blower resistor. The mode manage lever (upper lever) operates a vacuum switch on the back of the manage panel. The vacuum switch controls vacuum to defroster, floor, panel and sparkling/recirculated air vacuum automobiles, as well as a vacuum-actuated heater manage valve (water valve) . The heater control valve closes whilst vacuum is applied to it. Disclaimer: records in questions, answers, and other posts on this site ("posts") comes from character customers, now not justanswer; justanswer isn't chargeable for posts. Posts are for standard data, are not meant to replacement for informed expert advice (medical, criminal, veterinary, financial, etc.), Or to establish a professional-customer courting. The web site and services are supplied "as is" with out a guarantee or representations via justanswer concerning the qualifications of specialists. To see what credentials had been proven by using a third-birthday party carrier, please click on at the "proven" image in some professionals' profiles. Justanswer isn't always meant or designed for emergency questions which need to be directed straight away by using smartphone or in-person to qualified experts.
Give me a couple of minutes more and i can get you the best cord diagram i have for the 1998 model. For some motive i do now not have an auto a/c choice for that model. Handiest manual. Thanks so much for taking your time and know-how to guide my concerns. No longer handiest did you solution my questions, you even took it a step in addition with replying with extra pertinent facts i needed to understand.