How do I know what AMP my GM alternator is?

Hear this out loudPauseThe amperage rating is found on the ID tag, and can be referenced by using the AC Delco part number. For example, the Delco part number “321-39” identifies a model 10SI with a 63 amp rating. Always use the AC Delco part number when referencing the alternator, or dealing with a parts or service department.

How do you tell what size my alternator is?

Hear this out loudPauseThe combined electrical system needs enough amperage from the alternator to meet its needs. If you divide the component’s wattage by the system’s voltage, you can figure out how much the component will draw.

How many amps does my alternator need?

Hear this out loudPauseMost factory alternators are rated at 65 to 100 amps and are capable of handling your vehicle’s basic necessities, such as headlights, gauges, fuel pumps, A/C, etc. These alternators also typically come with a 10 to 15 percent reserve to handle additional accessories.

Can you have too much alternator amps?

Hear this out loudPauseYou can never have too much amperage when it comes to alternators; therefore, you never have to worry about choosing an alternator with too high of a rated output. Amperage is basically the amount of electrical current your alternator can supply.

How many watts does a 200 amp alternator produce?

Hear this out loudPauseLikewise, how many watts does a 200 amp alternator produce? 14.4 volts x 60 amps = 864 watts. A large alternator can be 200 amps or more. 14.4 volts x 200 amps = 2880 watts.

Is a higher amp alternator better?

Hear this out loudPauseA higher amperage alternator will not pose any problems to the vehicle’s electrical system. For example, you may have a 100 amp alternator in your vehicle and the turn signals have small wiring and will only use 10 amp of power. Upgrading to a 200 amp alternator will not affect these components.

Is too high amp alternator bad?

Hear this out loudPauseAmperage is basically the amount of electrical current your alternator can supply. That is, your alternator will only supply the amount of amperage a particular component demands—and no more. So high-output alternators will not harm your components or charging system, no matter how high you go with the amps.

How can I tell what AMP my alternator is?

My car has an automatic transmission. Hey there. You should have a stamp on the alternator with a part number and amperage. The part number that starts with F3UZ is the 130 amp, and the F1TZ is the 95 amp. You can use either one.

Where can I find the alternator ID number?

Click to expand… Check your glove box for these codes. I’m only listing the GM RPO’s for alternators 100 amp or higher here. I know I have the KG8 code, but how can I find which ID number I have?

What kind of alternator do I need for a 1986 GM Truck?

For 1986 and later trucks, if you have a small-frame alternator and want to replace it with another small-frame alternator, you’re best off installing an AD-230 and using an adapter if necessary for the control connection.

Can a higher amp alternator be used in a truck?

Alternators have a built in regulator that prevents sending out to many amps it works on an on demand basis. Yep, going with a higher amp alternator won’t hurt anything so long as it’s the same series of alternator and fits in the bracket.

Is there an easy way to tell if I have a 105 amp alternator?

Is there an easy way to tell?, and any advice on the subject would be appreciated. I was in the middle of ordering the usual replacement parts, (door lock actuators, window motors, ect ect) and I was going to replace the serpentine belt but dont know if I have a 105 amp or 130 amp alternator?

How to identify your GM alternator USA built high output?

This is just a quick visual identification guide for Delco type alternators. First Alternator used on GM Vehicles to replace old DC Generators. External regulator mounted on the firewall.

What kind of alternator do I need for a Chevy truck?

Look in glove compartment at option list, it should start with a K. K09 Alternator, 140 amps. K60 Alternator, 100 amps. K62 Alternator, 105 amps. K65 Alternator, dual, 105 amps each.