S-SERIES AIR CONDITIONING - HEATER SYSTEMOnvehicles with heater only, apermanent magnet typemotor is used.Blower Speed-Control ResistorA resistor assembly (Figure 6) is used in the blowermotor circuit to provide three speed settings: LOW,MEDIUM, and HIGH. The resistor is located in the blow-er air stream to prevent overheating.Figure 6. - Blower and ResistorCTS-4066APage 6
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