TM-5-4210-249-13-P-2

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 2 OF 4

TM-5-4210-249-13-P-2

  TM-5-4210-249-13-P-2 - Page 35 of 1452

TM 5-4210-249-13&P-2
0126-13
DRAFT
0126
TFFT02538
Step 17.
Disconnect cab instrument panel wire harness cab power distribution wire harness
connector.
With a test lead set, check for continuity across cab power distribution wire
harness wire 1018 (violet) from relay 15, terminal 5 to cab instrument panel wire
harness cab power distribution wire harness connector, terminal 19.
If there is no continuity, repair wire 1018 in cab power distribution wire
harness if repairable (TM 9-2320-325-14&P), or replace cab power
distribution wire harness and block (WP 0441).
Step 18.
Connect cab instrument panel wire harness cab power distribution wire harness
connector.
Turn battery disconnect switch to ON position (WP 0007).
Check for 22 to
28 VDC between cab power distribution wire harness wire 1064 (violet) at relay 15,
terminal 3 and a known good ground.
a.
If 22 to 28 VDC are not present, replace cab power distribution wire
harness and block (WP 0441).
b.
If 22 to 28 VDC are present, replace relay 15 (WP 0402).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION


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