Diesel Data: Automotive Repair

A/C Condenser/Radiator Fans Run always At High Speed (Never At Low Speed) With The A/C On (Without Climate Control)




The A/C condenser/radiator fans run always at high speed (never at low speed) with the A/C on

Probable cause: A/C condenser/radiator fan high speed circuit malfunction

Do the Radiator and A/C Condenser Fan High Speed Circuit Troubleshooting Radiator and A/C Condenser Fan High Speed Circuit Troubleshooting

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HVAC DTCs How To Troubleshoot The Heating And A/C Systems (Without Climate Control)

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Powertrain DTCs Initial Inspection and Diagnostic Overview

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Poor or loose connections at the terminals