New 120 Amp upgrade replacement alternator for GM 10SI applications. This BLACK finish alternator has an internal voltage regulator. 1 or 3 wire hookup with a main post for battery connection and flat blade terminals for field wire and voltage sensing wire. Comes with a one groove bolt on V-belt pulley.
To see the alternator's dimensions, please look at the 2nd photo on this listing. With the optional 3 wire hookup, that will allow it to operate providing numerous advantages such as. Allows use of dash warning (idiot) light plus volt gauge can be added. Running voltage sensing wire to a common firewall power distribution junction produces optimum results. Maintains more accurate voltage by compensating for voltage drops.Optimizes state of charge and improved overall battery life. Starts charging right away, no annoying "cut-in" RPM. More efficient, more reliable, better performance than a one wire unit! This alternator is a direct replacement on 1968 to 1982 GM vehicles that had internal regulator alternators.
This will also work on GM vehicles prior to 1968. ONE WIRE TO THE BATTERY IS ALL THAT IS NEEDED ON THIS MODEL, OR YOU MAY HOOK IT UP AS OEM ALT HOOKED UP ON 73 MODELS UP TO APPROX. This unit hooks up exactly as the OEM unit does. For those wanting to use this alternator as a direct replacement on a GM vehicle, you will remove the black square plug in the side of the alt. Case by hand, and your existing two wire harness will plug directly into the alt.
You will also hook up the alt. Cable that usually comes from the positive side of your battery to the back of the alt.Cable is usually a 10 gauge wire that splits off from the large heavy positive battery cable. For those wanting to use this on an early model car that had a conventional style alt.
With an external firewall regulator, all you need to do is hook up the alt. Battery cable to the back of the alt. No other wires need be hooked up. The voltage regulator is internal in this unit, and will operate with just this one wire hooked up to it. This is how you are able to eliminate the external voltage regulator as well as the mass of wires going to it on vehicles before 73.This unit actually fits in place of the early model external regulator alts. GM did not change the physical size or design of the case when internal alts came in 1973. These charges are the buyers responsibility. We cannot mark merchandise values below value or mark items as gifts US and International Government regulations prohibit such behavior.
Any product which has been altered in any way, improperly installed, or not used for its intended purpose. Any costs associated with the repair or replacement of the product including labor, installation or other costs incurred by the purchaser, and in particular, any costs relating to the removal or replacement of any product that is affixed to another devise.Any damage to the product due to external causes, including accident, problems with electrical power, abnormal electrical, mechanical or environmental conditions, usage not in accordance with product instructions, misuse, neglect, alteration, repair, improper installation or improper testing. All messages/emails are answered within 24 hours. We are a family business and your satisfaction is critical to our success. Your questions and comments are answered by owners of the company. All descriptions are provided accurately to the best of our knowledge. While all care is taken, any errors or omissions in the item details are unintentional. We are not mechanics but will assist you to the best of our abilities (or forward you to one of our support representatives). THOUSANDS OF POSITIVE FEEDBACKS (100%) since March 2000! The item "GM BLACK 120 AMP 10SI 1 or 3 WIRE V Belt ALTERNATOR Chevy 327-350-396-427-454" is in sale since Monday, June 26, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Charging & Starting Systems\Alternators & Generators". The seller is "theswapmeetparts" and is located in Barnegat, New Jersey. This item can be shipped worldwide.