2017 Jeep Grand Cherokee Auxiliary Battery Location [Fixed]

For maintenance or trouble-shooting purposes, it is important to know the position of the auxiliary battery in a 2017 Jeep Grand Cherokee. 

This battery is integrated into the operations that deal with vehicle electronics and Engine Start-stop ESS in particular. 

Let us see where it is located and what is worth knowing about it.

Where to Find the Auxiliary Battery

For the 2017 Jeep Grand Cherokee, the auxiliary battery is located under the hood on the passenger side. 

To get directly to it:

1. Open the hood of your Grand Cherokee
2. Look towards the fender wall of the passenger side
3. You will notice an auxiliary battery which is often installed on a slightly different compartment.

Understanding the Auxiliary Battery

The auxiliary battery is of significance since it is often used in powering various electrical systems in your Jeep particularly those required by the ESS feature. 

This system improves the vehicle’s fuel efficiency, by cutting off the engine power when stationary and engaging the engine once the vehicle driver presses the accelerator.

Importance of the Auxiliary Battery

• Power Supply: When the ignition is off, this also provides power to accessories and systems.
• Fuel Efficiency: Used with the main battery to help improve fuel usage efficiency.
• System Functionality: Key to the evolution of the ESS system working perfection.

Troubleshooting Common Issues

In the event that your Jeep has issues starting or electronic components not functioning as intended, the auxiliary battery may be the source of the problem.

• There are no associated warnings, lights, or dashboard notifications when the vehicle is attempted to start.
• There is a malfunction in the engagement of the ESS system.
• The electrical equipment is not operating normally.

Steps to Disconnect the Auxiliary Battery

If you need to remove the auxiliary battery, either for service or replacement, perform the following steps:

1. Help the fuse box that is located in the immediate area with the auxiliary power battery.
2. Remove the fuse associated with the ESS system (normally this is the one marked F42).
3. Using a 10mm socket, take off the negative lead of the terminal from the auxiliary battery.
4. Secure the terminal from the terminal to get rid of accidental connectivity.

Reconnecting the Auxiliary Battery

The process includes safely reconnecting the previously removed components and reconnecting the auxiliary battery in its intact state:

1. Always check that all of the connections are intact and that there is no corrosion on any of the points.
2. Reattach the negative terminal. Tighten the terminal.
3. The fuse that you had managed to remove first should be replaced quickly.
4. Put the ignition in your car and check if these conditions have been corrected to a working state.

Conclusion

In conclusion, maintenance of the battery is located within your 2017 Jeep Grand Cherokee.

It can only be understood by identifying its position and role, and as a result, maintenance would be easier. 

With regular checks, surprises can be avoided, making sure that your Jeep moves properly on smooth and rough surfaces alike.

FAQs

Does a 2017 Jeep Cherokee have an auxiliary battery?

The 2017 Jeep Cherokee does not have an additional battery as a standard battery. The only battery utilized for electric needs is a lead-acid battery. 

The structure is standard for such vehicles. Certain variants are however equipped with dual-battery systems for enhanced features. 

Such batteries are usually found in off-road packages or if the car has extra accessories to fit in. 

To those requiring higher wattage for their accessories, they are advised to go for aftermarket options. 

Examine the car’s specifications or inquire at the dealer about the details of this model in particular. Guarantees for proper installation apply to every modification made.

Where is the auxiliary battery on a Jeep Grand Cherokee?

In most cases, the extra backup battery of a Jeep Grand Cherokee is placed under the hood. Specifically, it is located on the driver’s side and very close to the main battery. 

When the dual-battery system is in place, the second battery is typically located behind the first one. To get to it, it may be necessary to take out the other battery as well.

An extra battery can be seen in some Grand Cherokees in the rear cargo area. This is often the case with those models that have plug-in hybrids. 

Get a copy of your owner’s manual and follow it for details specific to the model year. 

One will not have any problems locating it if there is doubt regarding where it is, a professional mechanic is excellent.

How many batteries are in a 2017 Jeep Grand Cherokee?

The common vehicle starting battery type used in the 2017 Jeep Grand Cherokee is a 12-volt lead-acid battery as well. 

It has various rechargeable uses such as for starting the engine or supplying power to the car’s electrical system. 

This location allows for maintenance and/or replacement of components with ease. As for some models of the Grand Cherokee equipped with the start-stop system, it is conceivable that there may be a second battery as well. 

This additional battery comes into use for boosting energy efficiency as it stores power when the engine is shut. 

But usually, for normal working of the vehicle, the main battery is enough.

Are there two batteries in a Jeep Grand Cherokee?

Jeep Grand Cherokee models however come true to this picture since they can be found with two batteries. 

Additionally, this configuration is common in eco diesel and advanced technology package vehicles. The engine compartment has the primary battery pack. 

The rear portion of the vehicle has a secondary battery pack. The dual battery design allows for more efficient management of electrical demands. 

It enables stop-start technology and further electronic accessories. With such a setup, reliability and performance regarding off-road and/or other heavy-duty situations are enhanced.

Do all jeeps have an auxiliary battery?

Most notably, not all Jeeps come with one. The presence of an auxiliary battery depends on the model and specific features. 

One of the outdoor-oriented models, for example, the Jeep Wrangler, may come equipped with one. Such auxiliary battery provides power for additional assets, including winches, lights, or dubbing systems.

Some models, for instance, the Jeep Grand Cherokee, may design it into their system to allow efficient usage of power. 

However, most base models do not have an auxiliary battery. In general, auxiliary batteries are optional and vary in terms of configuration and grade.

What is a 12-volt auxiliary battery?

A 12-volt auxiliary battery is an extra battery, usually termed additional power. Such a battery is mostly seen in automobiles, boats, and RVs. 

This battery serves as a supplement to the starter battery’s function by powering accessories such as lights, radios, and refrigerators without depleting the starter battery.

Depending on the device, it is generally a lead-acid or lithium-ion battery. The auxiliary battery eases the primary battery maintenance charge, particularly where prolonged use of electronics is concerned. 

When the primary power source is unavailable, it improves power supply dependability. Good installation and maintenance are needed to attain maximum effectiveness. 

Also, locks are incorporated into the batteries, which can be charged through solar panels or a vehicle’s alternator, allowing them to be ready to use anytime.