Tag and disconnect negative (-) cable (1) from negative (-) pole on battery (2).
Remove nut (3) from terminal (4) on positive (+) pole on battery (2) and tag and remove positive (+) cables (5 and
6) from terminal (4).
If a fault is limited to the APU jump start system's electrical box, the existing cable
which connects the battery and APU starter can be left installed so that the
semitrailer is still mission ready.
If necessary, reconnect positive (+) cable (6), which connects battery to APU starter, onto terminal (4) on positive
(+) post of battery and secure with nut (3).
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