IN CASE OF EMERGENCY
Connecting the Jumper Cables
In this manual: IN CASE OF EMERGENCY
6steps
~36min
3/5difficulty
Done 0 of 6
- Connect the positive (+) end of the jumper cable to the positive (+) terminal of the discharged vehicle.
- Connect the other end of the positive (+) jumper cable to the positive (+) terminal of the booster battery.
- Connect the negative (-) end of the jumper cable to the negative (-) terminal of the booster battery.
- Connect the other end of the negative (-) jumper cable to a good ground on the engine. A "ground" is an unpainted metal surface of the engine, frame, or chassis, such as a bracket or large bolt. The ground must be away from the battery and the fuel injection system.
- Start the engine of the vehicle with the booster battery, let the engine run at idle for a few minutes, then start the engine of the vehicle with the discharged battery.
- After the engine starts, remove the jumper cables in the reverse order.
Test yourself
A quick Jeep Wrangler quiz: every answer comes with an explanation and a link to the manual page.
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