Condenser Fan Doesn't Run High Speed (But Both Fans Run Low Speed, Compressor Operates A/C On)

The A/C condenser fan does not run at high speed (but both fans run at low speed and the A/C compressor operates with the A/C on)

A/C condenser fan high speed circuit troubleshooting A/C Condenser Fan High Speed Circuit Troubleshooting

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HVAC DTCs Initial Inspection and Diagnostic Overview

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Cleanliness and tightness of all terminals