Do I need to upgrade my alternator?
If your sound system demands more power than your stock alternator can supply, then you will benefit by upgrading to a higher output alternator. A 250 or 300 ampere aftermarket high output alternator should provide enough power for all your car’s systems and your high-powered stereo too.
What are the symptoms of a bad alternator in a Jeep Grand Cherokee?
Here are the most common symptoms of a bad alternator in a Jeep Grand Cherokee: The battery light is designed to tell you that there is not enough voltage to properly charge the battery, or that the battery itself is not holding the proper voltage. In rare occasions the service engine soon light may light up.
What are the wires to the alternator in a jeep?
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 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.
What are the symptoms of a bad alternator?
In rare occasions the service engine soon light may light up. Also, some vehicles have an “alt” light that specifically tells you there is a problem with the charging system, and not the battery itself. Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator.
What kind of alternator does a Jeep Grand Cherokee use?
AutoZone offers Grand Cherokee performance alternators that are crucial to your SUV’s functionality. A lack of voltage from either the battery or a worn-out alternator can rob your Grand Cherokee of the power it needs to function properly.
What are the symptoms of a bad alternator in a jeep?
Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Grand Cherokee with an adequate power supply, it will begin to feed off of the reserve in the battery.
Can a bad serpentine belt cause an alternator to fail?
It’s worth noting that a bad serpentine belt can cause the alternator to stop charging effectively. It’s pretty easy to tell if one is bad. It’ll look dry rotted. If it’s been slipping a lot it’ll have a glossy shine to it. You’ll have probably heard it squeal when you start the engine. They typically don’t fail quietly.
When to replace the alternator on a Kia Sorento?
If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested.