DeWalt DXAEJ14CA Instruction Manual page 15

• Always disconnect the negative (black) jumper cable first, followed by
the positive (red) jumper cable, except for positive grounded systems.
PROCEDURE
Take the following steps, observing all cautions and warnings in the
"Important Safety Instructions" section at the front of this manual.
1. Turn off vehicle ignition and all accessories (radio, A/C, lights,
connected cell phone chargers, etc.). Place vehicle in "park" and
set the emergency brake.
2. Make sure the jump-starter power switch is in the off position.
3. Remove jumper clamps from clamp tabs. Connect the red clamp
first, then the black clamp.
4. Procedure for jump-starting a NEGATIVE GROUNDED
SYSTEM (negative battery terminal is connected to chassis)
(MOST COMMON)
4a. Connect positive (+) red clamp to vehicle battery's positive
terminal.
4b. Connect negative (–) black clamp to chassis or a solid, non-
moving, metal vehicle component or body part. Never clamp
directly to negative battery terminal or moving part. Refer to
the automobile owner's manual.
5. Procedure for jump-starting POSITIVE GROUND SYSTEMS
NOTE: In the rare event that the vehicle to be started has a
Positive Grounded System (positive battery terminal is connected
to chassis), replace steps 4a and 4b above with steps 5a and 5b,
then proceed to step 6.
5a. Connect negative (–) black clamp to vehicle battery's negative
terminal.
5b. Connect positive (+) red clamp to vehicle chassis or a solid,
non-moving, metal vehicle component or body part. Never
clamp directly to positive battery terminal or moving part. Refer
to the automobile owner's manual.
6. When the clamps are connected properly, the backlit LCD screen
will display the following to indicate the unit is ready to jump-start:
The Battery Status icon, Battery Voltage Indicator, Clamp Icons
and the "+" and"–" signs light solid. The jump starter icon will flash
to indicate the clamps are properly connected.
7. Turn the Jump-Starter Power Switch on. When the Jump-Starter
Power Switch is turned on, the Engine Icon lights solid indicating
it is time to start the vehicle. Turn on the ignition and crank the
engine in 5-6 second bursts until engine starts. The backlit LCD
screen will display the following:
The Battery Status Icon, the Battery Voltage Indicator, Jump Starter
Icon, Clamp Icons and the "+" and"–" signs light solid to indicate
the unit is jump-starting.
8. Turn the Jump-Starter Power Switch off.
9. Disconnect the negative (–) engine or chassis clamp first, then
disconnect the positive (+) battery clamp.
IMPORTANT: Always turn the unit off when not in use. Recharge this
unit fully after each use.
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