(1) Disconnect sensor wire from suspect
sending unit (Table 2-39).
(2) Ground sending wire to a known good
(3) Set multimeter select switch to ohms.
(4) Is there continuity between terminal S
of faulty gage and a known good
(a) If there is no continuity, repair
sensor wire (see schematic
(b) If there is continuity, sensor wire
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
Table 2-39. Gage/Sending Units Test Points
Engine oil pressure