Dodge 2006 Ram 1500 Pickup Owner's Manual page 418

418 WHAT TO DO IN EMERGENCIES
5. Connect the other cable, first to the negative terminal
of the booster battery and then to the engine of the
vehicle with the discharged battery. Make sure you have
a good contact on the engine.
WARNING!
• Do not connect the cable to the negative post of
the discharge battery. The resulting electrical
spark could cause the battery to explode.
• During cold weather when temperatures are be-
low freezing point, electrolyte in a discharged
battery may freeze. Do not attempt jump starting
because the battery could rupture or explode. The
battery temperature must be brought up above
freezing point before attempting jump start.