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1. Position AC power cord and DC charging cords to reduce
risk of damage by hood, door, or moving engine parts.
2. Stay clear of fan blades, belts, pulleys, and other parts that
can cause injury.
3. Check polarity of battery posts. Battery case will be marked
by each post: POSITIVE (POS, P, +) and NEGATIVE (NEG,
N, -). NOTE: The positive battery post usually has a larger
diameter than the negative post.
4. Determine which post of battery is grounded (connected)
to chassis. NOTE: The negative post is normally grounded.
GROUND
(NEG)
FIGURE 2: CONNECTION TO NEGATIVE
GROUNDED BATTERY
OPERATING INSTRUCTIONS: CHARGING BATTERY IN VEHICLE
When charging battery in vehicle, take care to determine the battery type and which pole is grounded. To reduce risk of a spark near
battery, follow these steps when battery is inside vehicle. WARNING: A spark near the battery may cause battery explosion.
NEGATIVE GROUNDED POST
5A. For negative-grounded vehicle, connect POSITIVE (RED)
clamp from battery charger to POSITIVE (POS, P, +) un-
grounded post of battery. Connect NEGATIVE (BLACK)
clamp to vehicle chassis or engine block away from bat-
tery. Connect to a heavy-gauge metal part of the frame or
engine block.
WARNING: Do not connect clip to carburetor, fuel lines, or sheet-
metal body parts. NOTE: Attach clamps to battery post and twist
or rock back and forth several times to make a good connec-
tion. This tends to keep clamps from slipping off terminals and
helps to reduce risk of sparking.
FIGURE 2 shows connections for a negative-grounded battery.
POSITIVE GROUNDED POST
5B. For positive-grounded vehicle, connect NEGATIVE
(BLACK) clamp from battery charger to NEGATIVE (NEG,
N, -) ungrounded post of battery. Connect POSITIVE
(RED) clamp to vehicle chassis or engine block away from
battery. Connect to a heavy-gauge metal part of the frame
or engine block.
6. Plug charger AC cord into a grounded 120 volt outlet.
7. Select either automatic or manual, see Charger Controls.
8. When battery is fully charged, unplug charger from AC power
source.
9. Remove charger clamps from (1) chassis and (2) battery
post, in that order.
10. Clean and store battery charger.
NOTE: Charger will hum when clamps are removed from
battery and power cord is still plugged into electrical outlet.
1. Check polarity of battery posts. Battery case will be marked
by each post: POSITIVE (POS, P, +) and NEGATIVE (NEG,
N, -). NOTE: The positive battery post usually has a larger
diameter than the negative post.
2. Attach a 24-inch long (or longer) 6-gauge (AWG) insulated
battery cable to NEGATIVE (NEG, N, -) battery post.
(Purchase cable separately.)
3. Connect POSITIVE (RED) charger clamp to POSITIVE
(POS, P, +) battery post. Rock clamp back and forth to
make good connection.
4. Position yourself and free end of 24-inch cable as far away
from battery as possible. Then connect NEGATIVE (BLACK)
charger clamp to free end of cable. WARNING: Do not
face battery when making final connection. Rock clamp back
and forth to make a good connection.
FIGURE 1 shows the connection.
5. Plug charger AC cord into 120 volt outlet.
6. Select automatic or manual charging, see Charger Controls.
7. When battery is fully charged, unplug charger from AC
power source.
8. When battery is fully charged and charger is unplugged,
(1) remove clamp from end of Negative end of cable, and
(2) remove clamp from Positive battery post, in that
order.
9. Clean and store battery charger.
FIGURE 1: CONNECT NEGATIVE BATTERY CLAMP
TO 24-INCH CABLE END
BATTERY
POSITIVE
NEGATIVE
24", 6 GUAGE
CABLE
POWER
CORD
TO GROUNDED
POWER OUTLET
+-
BATTERY CHARGER