How does an alternator work on a Jeep Wrangler?
The wires within your new Wrangler performance alternators cut through a magnetic field, inducing an electrical current that powers everything from your headlights to your power windows. Stop by an AutoZone near you for free battery charging and engine diagnostic testing to make sure you’re getting the most out of your Jeep’s electrical system.
What should I do if my alternator wont charge?
Be careful to avoid getting caught by the alternator belt! With the engine running, there should be voltage across the terminals. Turn on the headlights to put some load on the battery, the voltage on the field coil should rise slightly. If you don’t see voltage on the field coil terminals, you might have a blown fuse.
Where are the fuses on a jeep alternator?
If you don’t see voltage on the field coil terminals, you might have a blown fuse. The field coil is powered by a box called Powertrain Control Module, and there are 3 fuses that might be of interest, numbered 6, 19, and 26 according to the schematic (see below).
How can I tell if my alternator is bad?
You can check if the field coil is powered by connecting a multimeter to the terminals of the field coil, and starting the engine. Be careful to avoid getting caught by the alternator belt! With the engine running, there should be voltage across the terminals.
What should I do about my Jeep Wrangler starter?
If you hear clicking, grinding or rattling when you start your SUV, or the start itself is considerably slower than usual, consider changing your Jeep Wrangler starter for a new one from AutoZone.
What kind of alternator do I need for my Jeep Wrangler?
Designed for maximum durability 100% new AutoZone offers alternators for vehicles that need a high-voltage output, like your Jeep. Outputs between 13.5 and 14.8 volts keep your battery 100 percent charged and runs all of your Wrangler’s electrical system simultaneously.
How to get 10% off a Jeep Wrangler?
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