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Apr 10, 2008

How do you start a car with jump leads?

How do you start a car with jump leads? when your car wont start because of weak battery you can still start it using battery from another car with good battery without taking off the battery from another car, it is called jump starting. Just connect both batteries in parallel connection using a jump leads without removing battery on each car. Jump starting a car should be done in correct manner, failure to do so may lead to battery explosion resulting to car damage or worst injuries to a person.


To jump-start a car engine use a booster car battery with correct battery rating, incorrect battery rating will damage a car. Avoid a jump-start of frozen car battery, it could explode.

How do you start a car with jump leads?
Step 1. Prepare both cars, car A that consist the booster car battery and car B that need to jump-start consisting the weak car battery.

Step 2. Ensure that the parking brake on both cars is applied and the gear position is in neutral position for manual transmission and at park (P) position for automatic transmission.

Step 3. Switch off all electrical equipment.

Step 4. Connect the jump-start cable, positive to positive and negative to negative as shown on illustration in a sequence (1-2-3-4). jump start leads

Step 5. Start car A and keep the engine running at 2,000 rpm by pressing the accelerator pedal.

Step 6. After a few minutes start car B, if the engine does not start turn the ignition "OFF" and wait for 3 to 4 seconds then starts again.

Step 7. After car B starts, disconnect the jump-start cable as shown in the illustration in reverse sequence (4-3-2-1).