When removing a battery which post do you remove first?

When removing a battery which post do you remove first?

When disconnecting the cables from the old battery, disconnect the negative first, then the positive. Connect the new battery in the reverse order, positive then negative.”

Can you remove battery posts?

Loosen the nut that holds the terminal onto the negative post using a socket wrench. The nut will be located to the left of the terminal. Lift the terminal off the negative battery post. If needed, pry the terminal open with a screwdriver, or gently wiggle the connector until it loosens.

Do you have to remove the battery cable to change the battery?

Remove the battery. Some cars will not require the removal of the battery while replacing battery cables, but even if it is not necessary, it may make the process easier. Removing the battery can free up room to work and removes any possibility of the cables coming back into contact with their terminals and shocking you.

How to reset your Jeep engine control module?

3- Once the time has passed you should now turn the headlights “on” and “off” twice to drain the Engine Control Module from any remaining power. 4- Now plug back in the negative terminal and your Jeep ECM should now be reset. To finish off this post , here are a couple of things you should keep in mind.

Can a positive battery cable be connected to a negative battery cable?

Connect the positive battery cable to the battery. You may want to purchase a corrosion inhibitor that you can put on the battery terminal prior to connecting the new cable. This can help ensure the connection from the battery is strong and doesn’t become limited as corrosion builds up in your engine bay.

What happens if I Reset my Jeep ECM?

To finish off this post , here are a couple of things you should keep in mind. Resetting your Jeep ECM will not have any effect on your vehicle’s mileage, Resetting it should not cause any issues between your other module so feel free to this as many time as you want if you’re trying to diagnose a problem with your car. For good measure.

How do you remove the battery from a Jeep Grand Cherokee?

Use a stool to reach it if you can’t work comfortably standing on the ground, because it’s pretty high on a Jeep Grand Cherokee. Loosen the bolt on the black negative battery cable first with a box wrench or cable clamp pliers. Wiggle the cable end off the post and tap it gently with a small hammer if it won’t budge.

Where is the positive cable on a Jeep Grand Cherokee?

Track the red positive cable to its connection on the starter solenoid on the front passenger side of the engine and remove it with a wrench. Clean the posts with a small wire brush or cable cleaner. Wipe off any residual dust with a clean, dry cloth. Attach the new positive cable first, reversing the process in Step 3.

How to replace your Jeep Wrangler battery and upgrade?

Quadratec Extreme Duty Battery Terminals and Optima Battery Upgrade. If you’re replacing your Jeep battery with a new one, take the 10mm bolt out of the hold down clamp in the lower front and remove it entirely. Drop the new battery in place, center it, and tighten the clamp back down. If you’re reusing your battery,…

How big of a cable do you need for a Jeep Wrangler battery?

Next, move on to tighten down the two nuts that hold the brass down onto the terminals. The positive side is 9/16-inch, but you can use a 14mm. The negative side is ½-inch, or 13mm. They’re actually standard fasteners, but these metric sizes are close enough to to work. The factory cable ends go under the next ⅜-inch bolt down the rail.