What should the battery voltage be on a Jeep Wrangler?
Touch the black to the ground, red to the positive, and the battery shows 12.57 volts. With the Jeep off a battery should show roughly 12.5 volts. When cranking the motor, the battery should hold a voltage of at least 10.5, nothing less. If it is less your battery is run down, dead, bad, or it may be a bad starter.
What is the best battery for a 2012 Jeep Wrangler?
Optima – Red Top Battery, Group Size 34R, 800 CCA (Part No. R34-980) The OPTIMA REDTOP high-performance AGM battery is the ULTIMATE POWER SOURCE designed to deliver the strongest starting power.
How long does it take to charge a Jeep Wrangler battery?
about 12 hours
The 17-kWh battery pack can be fully recharged in two hours using a Level 2 charger. You don’t have to fully charge the Wrangler 4xe during every session. With a Level 1 charger (120-volt), it takes about 12 hours to fully recharge. A Level 1 charging cable comes standard and can be plugged into a home outlet.
What should my Jeep Cherokee battery voltage be?
From my use, that is normal. It goes from between about 12V to 14V depending on what I am doing. If you are charging any electronics, or at a stoplight with your engine off, it can read lower than you would expect.
What causes a battery light to come on in a Jeep Wrangler?
Jeep Wrangler Battery Light Causes 1 Battery. The battery is primarily there to start your Wrangler. 2 Alternator. A bad alternator will usually make itself known when the engine is already running. 3 Alternator Belt. Nearly all modern vehicles use a serpentine belt to turn the alternator. 4 Battery Post Corrosion. …
Why is the alternator on my Jeep not charging?
Looks like the field coil of the alternator isn’t getting power. There are 3 wires attached to the alternator. One is a big fat wire that goes to the battery, this is the alternator output. The other two wires feed power to the field coil.
What’s the battery voltage on a Jeep Cherokee?
Touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts. Now that you have a baseline, it’s time to turn the engine on.