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Page Title:
BACK-UP ALARM DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
NEGATIVE
B
ACTERY
T
CONTINUITY TEST
ABLE
(1) Set multimeter to ohms.
(2) Connect multimeter positive (+) lead to
negative battery cable.
BATTERY
(3) Connect multimeter negative () lead to
connector P2-2.
(a) If continuity is present, replace
back-up alarm (Para 8-39).
(b) If continuity is not present, repair
wire 2 or connector P2 (Para 8-49).
(4) Connect connector J2 to connector P2.
WIRE 2
BACK-UP ALARM
WIRE 21
J1-19
CONTINUITY TEST
(1) Set multimeter to ohms.
(2) Disconnect connector J1 from
connector P1.
(3) Connect multimeter positive (+) lead to
connector J1-19.
(4) Connect multimeter negative () lead to
CONNECTOR J1
CONNECTOR J1
wire 21 where wire 21 connects to
back-up switch.
CONNECTOR P1
(a) If continuity is present, go to
Step 18 of this fault.
(b) If continuity is not present, repair
wire 21 or connector J1
(Para 8-48).
P2-2
CONNECTOR P2
TR01102
2-81
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