ASK GARY: How do I Jump a Dead Car Battery?
For all the preparation in the world, sometimes a roadside emergency is just plain unavoidable. Times like these call for a level head, and knowledge of what to do. While smartphones have made this information extremely accessible, we might easily find ourselves unable to look for the answers online.
Here at Jaffarian Automotive, we want all our drivers to safe on and off the road and in the spirit of that, we’ve created a simple DIY emergency car repair guide. We are making printed versions for all of our customers to keep in their glove compartment, in case they might need a quick reference. This week’s article will be focusing on jumping a dead car battery.
When dealing with jumper cables, RED = POSITIVE and BLACK = NEGATIVE
- Park the working vehicle (GOOD) next to the nonfunctional (DEAD) so their batteries are
as close as possible.
- Connect the POSITIVE jumper cable to the DEAD battery’s positive terminal.
- Connect the POSITIVE jumper cable to the GOOD battery’s positive terminal.
- Connect the NEGATIVE jumper cable to the GOOD battery’s negative terminal.
- Connect the NEGATIVE jumper cable to grounded metal inside the hood of the DEAD car.
- Turn on the GOOD car, and let the engine idle for 5 minutes.
- Try turning on the DEAD car. If it doesn’t turn on, leave everything alone for another 5
- Remove clamps in reverse order.
- Let DEAD car run for 20 minutes before turning off the engine.
a. DEAD – POSITIVE
b. GOOD – POSITIVE
c. GOOD – NEGATIVE
d. DEAD – GROUNDED