Jump Starting Procedure- Page 401

2021 Jeep Gladiator Owner's Manual

Table of Contents

GETTING TO KNOW YOUR VEHICLE
GETTING TO KNOW YOUR INSTRUMENT PANEL
WARNING LIGHTS AND MESSAGES
STARTING AND OPERATING
MULTIMEDIA
SAFETY
OCCUPANT RESTRAINT SYSTEMS
SERVICING AND MAINTENANCE
VEHICLE MAINTENANCE
TECHNICAL SPECIFICATIONS
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IN CASE OF EMERGENCY

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3. If using another vehicle to jump start the 

battery, park the vehicle within the jumper 

cable’s reach, apply the parking brake and 

make sure the ignition is OFF.

J

UMP

 S

TARTING

 P

ROCEDURE

NOTE:

Make sure at all times that unused ends of 

jumper cables are not contacting each other or 

either vehicle while making connections.
Connecting The Jumper Cables
1. Connect the positive (+) end of the jumper 

cable to the remote positive (+) post of the 

discharged vehicle.

2. Connect the opposite end of the positive (+) 

jumper cable to the positive (+) post of the 

booster battery.

3. Connect the negative end (-) of the jumper 

cable to the negative (-) post of the booster 

battery.

4. Connect the opposite end of the negative (-) 

jumper cable to a good engine ground. A 

“ground” is an exposed metallic/unpainted 

part of the engine, frame or chassis, such as 

an accessory bracket or large bolt. The 

ground must be away from the battery and 

the fuel injection system.

5. Start the engine in the vehicle that has the 

booster battery, let the engine idle a few 

minutes, and then start the engine in the 

vehicle with the discharged battery.

WARNING!

Take care to avoid the radiator cooling fan 

whenever the hood is raised. It can start 

anytime the ignition switch is ON. You can 

be injured by moving fan blades.

Remove any metal jewelry such as rings, 

watch bands and bracelets that could 

make an inadvertent electrical contact. You 

could be seriously injured.

Batteries contain sulfuric acid that can 

burn your skin or eyes and generate 

hydrogen gas which is flammable and 

explosive. Keep open flames or sparks 

away from the battery.

WARNING!

Do not allow vehicles to touch each other as 

this could establish a ground connection and 

personal injury could result.

WARNING!

Failure to follow this jump starting procedure 

could result in personal injury or property 

damage due to battery explosion.

CAUTION!

Failure to follow these procedures could 

result in damage to the charging system of 

the booster vehicle or the discharged vehicle.

WARNING!

Do not connect the jumper cable to the 

negative (-) post of the discharged battery. 

The resulting electrical spark could cause the 

battery to explode and could result in 

personal injury.

7

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Detailed Information for 2021 Jeep Gladiator Owner's Manual

Lists of information found in 2021 Jeep Gladiator Owner's Manual - Page 401

  • 3. If using another vehicle to jump start the battery, park the vehicle within the jumper cable’s reach, apply the parking brake and make sure the ignition is OFF.
  • 1. Connect the positive (+) end of the jumper cable to the remote positive (+) post of the discharged vehicle.
  • 2. Connect the opposite end of the positive (+) jumper cable to the positive (+) post of the booster battery.
  • 3. Connect the negative end (-) of the jumper cable to the negative (-) post of the booster battery.
  • 4. Connect the opposite end of the negative (-) jumper cable to a good engine ground.
  • 5. Start the engine in the vehicle that has the booster battery, let the engine idle a few minutes, and then start the engine in the vehicle with the discharged battery.

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