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2020 RAM 2500 Owners Manual - JUMP STARTING



Owner’s Manuals 2020 JUMP STARTING

JUMP STARTING

If your vehicle has a discharged battery, it can be jump started using a set of jumper cables and a battery in another vehicle, or by using a portable battery booster pack. Jump starting can be dangerous if done improperly, so please follow the procedures in this section carefully.

 

CAUTION!

Do not use a portable battery booster pack or any other booster source with a system voltage greater than 12 Volts or damage to the battery, starter motor, alternator or electrical system may occur.

When using a portable battery booster pack, follow the manufacturer's operating instruc- tions and precautions.

Preparations For Jump Start

The battery in your vehicle is located in the front of the engine compartment, behind the driver side headlight assembly.

If you have a diesel engine, you may have two batteries, however jump start off the driver side battery.
The positive battery post may be covered with a protective cap if equipped. Lift up on the cap to gain access to the positive battery post. Do not jump off fuses. Only jump directly off positive post which has a positive (+) symbol on or around the post.

Positive Battery Post

 

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.
Apply the parking brake, shift the auto- matic transmission into PARK and turn the ignition OFF.
Turn off the heater, radio, and all unneces- sary electrical accessories.
If using another vehicle to jump start the battery, park the vehicle within the jumper cables’ reach, apply the parking brake and make sure the ignition is OFF.

 

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.

 

Connect the positive (+) end of the jumper cable to the positive (+) post of the discharged vehicle.

Do not jump off fuses. Only jump directly off positive post.

Connect the opposite end of the positive (+) jumper cable to the positive (+) post of the booster battery.
Connect the negative (-) end of the jumper cable to the negative (-) post of the booster battery.
Connect the opposite end of the negative (-) jumper cable to a good engine ground (exposed metal part of the discharged vehicle’s engine) away from the battery and the fuel injection system.

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. Only use the specific ground point, do not use any other exposed metal parts.
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.

CAUTION!

Do not connect jumper cable to any of the fuses on the positive battery terminal. The resulting electrical current will blow the fuse.
Once the engine is started, remove the jumper cables in the reverse sequence.

 

Disconnect the negative (-) end of the jumper cable from the engine ground of the vehicle with the discharged battery.
Disconnect the opposite end of the negative (-) jumper cable from the negative (-) post of the booster battery.
Disconnect the positive (+) end of the jumper cable from the positive (+) post of the booster battery.
Disconnect the opposite end of the positive (+) jumper cable from the positive (+) post of the vehicle with the discharged battery.

If frequent jump starting is required to start your vehicle you should have the battery and charging system inspected at an authorized dealer.

Insert a screwdriver or similar tool into the access port (ringed circle) on the bottom of the steering column, and push and hold the override release lever up.
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