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Page Title:
BACK-UP ALARM DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
CONTINUITY TEST
NEGATIVE
B
ACTERY
T
(1) Set multimeter to ohms.
ABLE
(2) Connect multimeter positive (+) lead to
negative cable at battery.
(3) Connect multimeter negative () lead to
wire 2 at back of back-up alarm.
BATTERY
(a) If continuity is present, replace
back-up alarm (Para 8-39).
(b) If continuity is not present, go to
Step 15 of this fault.
WIRE 2
BACK-UP ALARM
WIRE 21
J2-2
CONTINUITY TEST
(1) Set multimeter to ohms.
(2) Disconnect connector J2 from
connector P2.
(3) Connect multimeter positive (+) lead to
CONNECTOR J2
connector J2-2.
(4) Connect multimeter negative () lead to
wire 2 where it connects to back-up
alarm.
CONNECTOR
J
(a) If continuity is present, go to
2
Step 16 of this fault.
(b) If continuity is not present, repair
CONNECTOR P2
wire 2 or connector J2 (Para 8-48).
TR01101
2-79
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