Chevy Alternator Identification

This is just a quick visual identification guide for delco type alternators. How to identify your gm internally regulated alternator. Delco 10si 12 volt.
chevy alternator identification

Alternator Wiring Diagram With Images Alternator Car Mechanic

Ls3 Wiring With Images Wire Diagram T Bucket

Tuff Stuff Shows Us How Easier It Is To Wire A 1 Wire Alternator

If you know the part number please visit our catalog for model family identification.

Chevy alternator identification. Im going to be upgrading soon so it wont matter too much but i would still like to know what im working with. 2006 silverado dd 2000 gmc sierra sold 1990 honda accord. Two key identification points of the si alternator is the external fan with v belt pulley and the 2 charge indicator. Jump to latest follow 1 14 of 14 posts.

Two of the most commonly used models were the 10si and 12si alternators. Alternator core identification use this page to help identify the correct core group for your core returns. Its definitely not like any alternator ive ever seen. First alternator used on gm vehicles to replace old dc generators.

Delco remy system integrated si alternator were used on gm vehicles between 1969 1988. External regulator mounted on the firewall. Once youve seen one its pretty obvious what they look like. 10dn 12 volt 61 amp 1963 1972.

They were primarily used on vehicles between 1975 1985. Used on buick cadillac chevrolet gmc hummer pontiac saab saturn history of the gm alternator. I ask because i think i have one weak ass alternator and curious if there is a smaller unit than the 105 that i may have instead. Delco remy alternators are fitted to many types of cars.

Each delco remy alternator is slightly different in design but the company has made identification of a delco remy alternator easy. Typically they are smaller around than the 1963 1985 alternators about 70 80 of the diameter of the alternators and they are much longer measured from the front pulley to the back of the unit about 12 inches as opposed to about 6 inches for the 1963 1985 alternators. They are widely available inexpensive and rarely go wrong. First used in 1963 on the corvette.

You can identify the exact model number. General motors exclusively uses alternators manufactured by delco remy and since delco remy alternators are an industry standard many copies exist especially on engines where the original alternator has been replaced. Proper identification of common delco remy alternator models such as the 10si 12si 15si and 19si eliminates the possibility of imitations many of which are inferior to.