Chevrolet Silverado: Vehicle Care / Jump Starting

Chevrolet Silverado 2019-2024 Owners Manual / Vehicle Care / Jump Starting

Jump Starting - North America

For more information about the vehicle battery, see Battery - North America.

If the vehicle's battery (or batteries) has run down, you may want to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following steps to do it safely.

Warning

WARNING: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. WASH HANDS AFTER

HANDLING. For more information go to www.P65Warnings.ca.gov/passenger-vehicle.

See California Proposition,  Warning  and the back cover.

Warning

Batteries can hurt you. They can be dangerous because:

  • They contain acid that can burn you.
  • They contain gas that can explode or ignite.
  • They contain enough electricity to burn you.

If you do not follow these steps exactly, some or all of these things can hurt you.

Caution

Ignoring these steps could result in costly damage to the vehicle that would not be covered by the vehicle warranty. Trying to start the vehicle by pushing or pulling it will not work, and it could damage the vehicle.

All Engines Except 6.6L V8 Engine (L8T)

  1. Good Battery Positive Terminal
  2. Good Battery Negative Terminal
  3. Discharged Battery Remote Negative Terminal
  4. Discharged Battery Remote Positive Terminal

The jump start positive post (1) and negative post (2) are on the battery of the vehicle providing the jump start.

The jump start positive post (4) and the negative grounding point (3) for the discharged battery are on the passenger side of the vehicle.

The positive jump start connection for the discharged battery is under a cover. Slide the cover to expose the terminal.

6.6L V8 Engine (L8T) Only

  1. Good Battery Positive Terminal
  2. Good Battery Negative Terminal
  3. Discharged Battery Remote Positive Terminal
  4. Discharged Battery Remote Negative Terminal

The jump start positive post (1) and negative post (2) are on the battery of the vehicle providing the jump start.

The jump start positive post (3) and the negative grounding point (4) for the discharged battery are on the passenger side of the vehicle.

The positive jump start connection for the discharged battery is under a cover. Slide the cover to expose the terminal.

  1. Check the other vehicle. It must have a 12-volt battery with a negative ground system.

    Caution

    If the other vehicle does not have a 12-volt system with a negative ground, both vehicles can be damaged. Only use a vehicle that has a 12-volt system with a negative ground for jump starting.

  2. If you have a vehicle with a diesel engine with two batteries, you should know before you begin that, especially in cold weather, you may not be able to get enough power from a single battery in another vehicle to start your diesel engine. If your vehicle has more than one battery, using the battery that is closer to the starter will reduce electrical resistance. This is located on the passenger side, in the rear of the engine compartment.
  3. Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles are not touching each other. If they are, it could cause an unwanted ground connection. You would not be able to start your vehicle, and the bad grounding could damage the electrical systems.

    To avoid the possibility of the vehicles rolling, set the parking brake firmly on both vehicles involved in the jump start procedure. Put the automatic transmission in P (Park) before setting the parking brake. If you have a four-wheel-drive vehicle, be sure the transfer case is in a drive gear, not in N (Neutral).

    Caution

    If any accessories are left on or plugged in during the jump starting procedure, they could be damaged. The repairs would not be covered by the vehicle warranty. Whenever possible, turn off or unplug all accessories on either vehicle when jump starting.

  4. Turn the ignition off on both vehicles. Unplug unnecessary accessories plugged into the accessory power outlets. Turn off the radio and all the lamps that are not needed. This will avoid sparks and help save both batteries. And it could save the radio!
  5. Open the hood on the other vehicle and locate the positive (+) and negative (−) terminal locations on that vehicle.

    The positive (+) terminal is under a red plastic cover at the positive battery post. To uncover the positive (+) terminal, open the red plastic cover.

    For more information on the location of the remote positive (+) and remote negative (−) terminals, see Engine Compartment Overview.

    Warning

    An electric fan can start up even when the engine is not running and can injure you. Keep hands, clothing, and tools away from any underhood electric fan.

    Warning

    Using a match near a battery can cause battery gas to explode. People have been hurt doing this, and some have been blinded. Use a flashlight if you need more light.

    Battery fluid contains acid that can burn you. Do not get it on you. If you accidentally get it in your eyes or on your skin, flush the place with water and get medical help immediately.

    Warning

    Fans or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engine is running.

  6. Check that the jumper cables do not have loose or missing insulation. If they do, you could get a shock. The vehicles could be damaged too.

    Before you connect the cables, here are some basic things you should know. Positive (+) will go to positive (+) or to a remote positive (+) terminal if the vehicle has one. Negative (−) will go to a heavy, unpainted metal engine part or to a remote negative (−) terminal if the vehicle has one.

    Do not connect positive (+) to negative (−) or you will get a short that would damage the battery and maybe other parts too. And do not connect the negative (−) cable to the negative (−) terminal on the dead battery because this can cause sparks.

  7. Connect one end of the red positive (+) cable to the remote positive (+) terminal of the vehicle with the discharged  battery.
  8. Do not let the other end touch metal. Connect it to the positive (+) terminal of the good battery. Use a remote positive (+) terminal if the vehicle has one.
  9. Connect one end of the black negative (−) cable to the negative (−) terminal of the good battery. Use a remote negative (−) terminal if the vehicle has one.

    Do not let the other end touch anything until the next step.

  10. Connect the other end of the negative (−) cable to the remote negative (−) terminal to the discharged battery.
  11. Start the vehicle with the good battery and run the engine for a while.
  12. Try to start the vehicle that had the dead battery. If it will not start after a few tries, it probably needs service.

Caution

If the jumper cables are connected or removed in the wrong order, electrical shorting may occur and damage the vehicle. The repairs would not be covered by the vehicle warranty. Always connect and remove the jumper cables in the correct order, making sure that the cables do not touch each other or other metal.

Jumper Cable Removal

Reverse the sequence exactly when removing the jumper cables.

After starting the disabled vehicle and removing the jumper cables, allow it to idle for several minutes.

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