Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Sensor failure or problems due to moisture and corrosion may occur. Inspect pressure
transducer and connector for damaged terminals, loose water seal wedge-lock
connections, moisture, corrosion, and other foreign objects, using a bright light.
Turn water pump engine off (WP 0022). Open pump operator's panel
housing (WP 0325). Remove cab instrument panel E (WP 0311). Turn battery
disconnect switch to OFF position (WP 0007). Disconnect main wire harness
personnel cab pressure governor control 12-terminal wire harness connector.
connector. With a test lead set, check for continuity across red wire from pressure
transducer connector, terminal 1 to pressure governor 12-terminal connector,
harness (WP 0460).