The #2 or S (stator) spade was originally hooked to power in the wiring harness to compensate for voltage drop in the wiring. With a tractors small wiring you can just connect it to the battery post on the back of the alternator via a short jumper wire. This wire tells the alternator when the charge is enough and shuts the regulator down as not to over charge the battery.
The #1 or F (field) spade gets hooked to the terminal block with power only with the key on. It energizes the alternator on start up so it will start charging.
hat is the source of the paragraph that you quoted. where is picture showing #2 being associated with a different letter?(quoted from post at 16:55:13 05/26/16) The "R" is not mentioned and the "F" is on the other number. I just wanted to get an opinion before I burn it up and have to buy another alternator.
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