TM 9-2320-365-20-2
2-1335
Remove rings, bracelets, watches,
necklaces, and any other jewelry
before working around vehicle.
Jewelry can catch on equipment
and cause injury or short across
electrical circuit and cause severe
burns or electrical shock.
WARNING
(1) Loosen screw in cover.
(2) Open cover on relay box assembly.
(3) Set multimeter to volts dc.
(4) Connect positive (+) probe of multimeter to
flasher ECU terminal 1.
(5) Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(6) If 24 vdc is not present, repair or replace wire
1506 (para 2-40).
VOLTAGE TEST
VOLTAGE TEST
(1) Disconnect connector P173 from connector
J173.
(2) Loosen screw 3 in flasher ECU.
(3) Remove wire 3086 from flasher ECU
terminal 3.
(4) Set multimeter to ohms.
(5) Connect positive (+) probe of multimeter to
wire 3086.
(6) Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(7) If continuity is not present, repair or replace
wire 3086 (para 2-40).
(8) Install wire 3086 on flasher ECU terminal 3.
(9) Tighten screw 3 in flasher ECU.