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A/C Amplifier With P/S

Fig. 17 A/C Amplifier Wire Harness Tester Connector W/4A-GE Engine & Power Steering:




Fig. 18 A/C Amplifier Control Circuit Test W/4A-GE Engine & Power Steering:





To check A/C amplifier control circuit, turn ignition switch to the ON position, move temperature control lever to MAX COOL and turn blower control switch to HI. Check for resistance and voltage values between connector terminals Fig. 17. If any readings are not as specified, Fig. 18 locate and repair faulty wiring or replace amplifier if necessary.