TM-9-2320-365-20-2

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-2 - Page 541 of 1432

CONTINUITY TEST

Change 1

2-1547

TM 9-2320-365-20-2

(1)

Lower cab (TM 9-2320-365-10).

(2)

Remove two screws and washers from

front grille.

(3)

Remove screw and washer from front

grille.

(4)

Remove front grille from cab.

(5)

Remove kick panel (para 16-3).

(6)

Disconnect connector clamp from

connector P114.

(7)

Disconnect connector P114 from WTEC III

transmission ECU.

(8)

Set multimeter to ohms.

(9)

For each line of Table 2-37. Cab

Transmission Harness Continuity Check:

(a)

Install jumper wire across sockets in

column 1.

(b)

Connect positive (+) probe of

multimeter to socket in column 2.

(c)

Connect negative (-) probe of

multimeter to socket in column 3 and

note reading on multimeter.

(10)

If continuity is not present on any wire in

Table 2-37.

Cab Transmission Harness

Continuity Check, replace WTEC III cab

transmission harness (para 7-87).

Table 2-37.

Cab Transmission Harness Continuity Check

Column 1

Jumper Across:

Column 2

Positive (+)

Probe to:

Column 3

Negative (-)

Probe to:

J119f to J119Z

J119f to J119R

J119R to J119Z

P114-10

P114-10

P114-25

P114-25

P114-9

P114-9

(11)

Remove jumper wire from connector J119.