Friday, February 27, 2015

Safe Battery Jump Starts


Jump-Start Vehicle to Vehicle 

Subzero temperatures in Chicago will cause big problems for weak or older car batteries.  If you absolutely have to attempt to a jump-start, and the only source available vehicle to vehicle, use these suggestion, and safety tips:

FIRST, READ THE SAFETY SECTION AND FOLLOW THE SAFETY INSTRUCTIONS IN THE OWNER’S MANUAL, PROVIDED WITH THE JUMPER CABLES ** WARNING — BATTERIES PRODUCE EXPLOSIVE GASES. ** These instructions are designed to minimize the explosion hazard. Keep sparks, flames and cigarettes away from batteries at all times. Both batteries should be of the same voltage if you are not sure don't attempt to jump. When jump starting, always wear proper eye protection and never lean over the battery. Do not jump start a damaged battery; inspect both batteries before connecting booster cables.



  • If your manual is available check for location of battery
  • Use heavy gauge jumping cables make sure the copper connectors are clean
  • Have a good flashlight to insure you are connecting the right cable and posts
  • Both vehicles are off  until connections are made
  • Turn off everything in including ignition, until it's time to attempt the start
  • If you are trying to do this solo, connect the red and black cable to a piece of clean cardboard to avoid sparking while connecting to the vehicle that is go
  • (1) Connect Red cable to positive post on weak vehicle
  • (2) Connect Rod cable to vehicle providing power
  • (3) Connect Black cable to vehicle providing power
  • (4) Connect Black cable to bare metal if available or negative post
  • Start power source vehicle vehicle
  • Keep connected for at least 3 minutes to add charge to weak battery
  • With all power off attempt to start weak vehicle  
  • If you are not successful at the first attempt let the cars stay connected for a full 5 minutes 
  • If you are not successful after 3 attempts discontinue jump-starting attempts
Helpful Links in Chicago: