PRC Control Module Grounds
Leave PRC control module connector disconnected. Set VOM on 200-ohm scale. Measure resistance between 2 Black wires (near center of connector) and ground. If resistance is less than 5 ohms, proceed to PINPOINT TEST Q4. If resistance is 5 ohms or more, repair Black wire between PRC control module and chassis ground, under front passenger seat near sill plate for opens, as necessary.