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post usually has a larger diameter then the NEGATIVE (NEG, N, -) post.
Determine which post of the battery is grounded (connected) to the chas-6.4
sis. If the negative post is grounded to the chassis (as in most vehicles),
see step 6.5. If the positive post is grounded to the chassis, see step 6.6.
For a negative-grounded vehicle, connect the POSITIVE (RED) clip from 6.5
the battery charger to the POSITIVE (POS, P, +) ungrounded post of the
battery. Connect the NEGATIVE (BLACK) clip to the vehicle chassis or
engine block away from the battery. Do not connect the clip to the carbure-
tor, fuel lines or sheet-metal body parts. Connect to a heavy gauge metal
part of the frame or engine block.
For a positive-grounded vehicle, connect the NEGATIVE (BLACK) clip 6.6
from the battery charger to the NEGATIVE (NEG, N, -) ungrounded post
of the battery. Connect the POSITIVE (RED) clip to the vehicle chassis or
engine block away from the battery. Do not connect the clip to the carbure-
tor, fuel lines or sheet-metal body parts. Connect to a heavy gauge metal
part of the frame or engine block.
When disconnecting the charger, turn all switches to off, disconnect the 6.7
AC cord, remove the clip from the vehicle chassis and then remove the
clip from the battery terminal.
FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE. 7.
A SPARK NEAR THE BATTERY MAY CAUSE A BATTERY EXPLO-
SION. TO REDUCE THE RISK OF A SPARK NEAR THE BATTERY:
Check the polarity of the battery posts. The POSITIVE (POS, P, +) battery 7.1
post usually has a larger diameter than the NEGATIVE (NEG, N, -) post.
Attach at least a 24-inch long 4-gauge (AWG) insulated battery cable to 7.2
the NEGATIVE (NEG, N, -) battery post.
Connect the POSITIVE (RED) charger clip to the POSITIVE (POS, P, +) 7.3
post of the battery.
Position yourself and the free end of the cable you previously attached to 7.4
the NEGATIVE (NEG, N, -) battery post as far away from the battery as
possible – then connect the NEGATIVE (BLACK) charger clip to the free
end of the cable.
Do not face the battery when making the nal connection.7.5
When disconnecting the charger, turn all switches to off, disconnect the 7.6
AC cord, remove the clip from the cable attached to the negative battery
terminal and then remove the clip from the positive battery terminal.
A marine (boat) battery must be removed and charged on shore. To 7.7
charge it onboard requires equipment specially designed for marine use.