DR-10B A/C Cutout Relay Module Wire
1. Turn ignition switch Off, then connect a voltmeter to cavity 3 of logic module blue connector and to ground.
2. Turn ignition switch to Run position.
3. If voltmeter is indicating voltage is within one volt of battery voltage, replace logic module.
CAUTION: Before replacing the logic module check the terminal in cavity No. 3 of the blue connector to make sure it is not crushed causing a poor connection.
4. If voltmeter is indicating voltage is between zero and seven volts, repair open circuit in wire to A/C cutout relay in cavity 3.