6-6 How to Use Battery Jumper Cables
4. Connect the jumper cables in the
following sequence:
a. Connect a jumper cable from
the positive (+; red) terminal on
one battery to the positive (+;
red) terminal on the other bat-
tery. Never connect positive (+;
red) to negative (-; black), or
negative to positive.
b. Connect one end of the second
cable to the grounded negative
(-;black) terminal of the “Jumper
Vehicle” battery.
c. Connect the other end of the
second cable to a stationary,
solid metallic point on the
engine of the “Stalled Vehicle,”
not to the negative (-;black)
terminal of its battery. Make
this connection at a point at
least 18 inches (450 mm) away
from the battery, if possible. Do
not connect it to pulleys, fans or
other parts that move. Do not
touch hot manifolds that can
cause severe burns.
5. Start the engine on the “Jumper Vehicle” and run the engine at a
moderate speed for a minimum of five minutes.
6. Start the engine on the “Stalled Vehicle.” Follow the starting
instructions in Section 4, “Operating Procedures” in this manual.
Be sure that the engine is at idle speed before disconnecting the
jumper cables.
7. Remove the jumper cables by reversing the installation
sequence exactly. Start by removing the last jumper cable from
the stalled vehicle first. Remove the cable end from the engine
block first, then the other end of the negative (-; black) cable.
8. Remove both ends of the positive (+; red) cable.
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