What is a 1 g alternator?

What is a 1 g alternator?

The Ford 1G alternator is small and compact in size and requires the use of an external voltage regulator. The 1G alternators have a 70-amp output and are available in chrome plated, polished aluminum, stealth black, powder coated colors and Factory Cast PLUS+ finishes. A 1G hybrid alternator is also available.

How many amps does a Ford alternator put out?

The original Ford alternator rated at 38 to 55 amps. It is externally regulated. It can be upgraded to 65, 95, 130, or 200 amps, though you are better off going to the 3G if you want over 95 amps.

What brand of alternator does Ford use?

Motorcraft Alternators
One of the most popular charging system components for Ford products for over 20 years was the Motorcraft 1G alternator, used specifically by Ford and also some AMC and Jeep vehicles.

How do I identify my Ford alternator?

From the Ford Manual:

  1. Alternator is color-ink stamped with “Motorcraft” Trademark. Color stamp is coded for rated amperage output.
  2. Rated amperage is:
  3. [rated @ 15V]
  4. Orange: 40 (Engine RPM:2900)
  5. Green: 60 (Engine RPM:2900)
  6. Black: 70 (Engine RPM:1640)
  7. Red: 100 (Engine RPM:2900) (Rated cold output)

How can I tell the amperage of my alternator?

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.

What is a Ford 6G alternator?

The 6G alternators have an internal voltage regulator and utilize the OEM wiring plug. These alternators are built with a 135, 150 or 225-amp ratings and include a 6-groove pulley or clutch pulley, depending upon part number. Available in chrome plated, polished aluminum, stealth black and Factory Cast PLUS+ finishes.

How many amps is F150 alternator?

Ford F150 alternators are numerous in styles and amperage, which are designed for a multitude of accessories and equipment. Ford has alternators with external fans as well as internal. They also have internal and external regulators. The amperage ranges from 90 to 215 amps.

How many amps is a 3G alternator?

The 3G alternators are available stock in 95-, 130-, and 200-amp ratings.

How do I determine the size of my alternator?

As a rule of thumb, 12-volt alternators use one horsepower for every 25 amps of output, or to put it another way, their ratio of output to horsepower load is 25:1. So, when selecting a new alternator, you need to size it for the limits of the capacity of its drive belt.

Is it OK to use a higher amp alternator?

You 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. Here’s why: Amperage is basically the amount of electrical current your alternator can supply. And it basically operates off of supply and demand.

How many volts should an alternator put out?

A good alternator should maintain battery voltage between 13.9 and 14.8 volts (14.2 is optimum). Even worst-case, with all accessories turned on, there should be at least 13 volts at the battery.

What is a 3 G alternator?

The Ford 3G alternators utilize an internal voltage regulator and output 150 or 225-amps depending upon part number. They are available in a wide range of finishes including chrome plated, polished aluminum, stealth black, powder coated colors and Factory Cast PLUS+ finishes.