Loose or dirty connectors may cause
intermittent loss of power to transmission
ECU and diagnostic codes to be logged.
Ensure that all connectors are clean and tight
before performing troubleshooting. Failure to
comply may result in incorrect test results.
Use care when testing electrical connectors.
Do not damage connector pins or sockets
with multimeter probes. Failure to comply
may result in damage to equipment.
Inspect connector pins/sockets for damage,
corrosion, and serviceability. Check that
connector pins are not pushed back and
are capable of making good contact.
(1) Remove two screws and washers from
(2) Remove screw and washer from front grille.
(3) Remove front grille from cab.
(4) Disconnect connector P119 from connector
(5) Remove kick panel (para 16-3).
(6) Disconnect connector clamp from
(7) Disconnect connector P114 from WTEC III
(8) Set multimeter to ohms.
(9) Connect positive (+) probe of multimeter
to connector J119j.
(10) Connect negative (-) probe of multimeter to
connector P114-12 and note reading on
(11) Connect negative (-) probe of multimeter to
all other sockets in connector P114, one at
a time, and note reading on multimeter.
(12) Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(13) If continuity is not present in step 10, or
continuity is present in step 11 or 12, replace
WTEC III cab transmission harness (para