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Chevy Silverado

Where do the two small wires on the plug go and what do they do on a Delco-Remy alternator?


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Wiki User
2007-04-30 23:30:06
2007-04-30 23:30:06

Hey David==one goes to the light or gauge on the dash and the other one goes to energize the field. Good luckJoe ==new answer== on a delco alternator, one terminal is a feed back that lets the regulator get a look at battery voltage. it should be hooked up to the battery. the other is a a "flash" terminal that starts the alternator charging, and commonly comes off the idiot lite. see the answer to "wiring a one wire alternator".

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It is at the rear of the alternator, in the plug that hold the wires that are incerted at the rear.

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More than likely they connect to the positive and negative polarities of the power source.

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take the belt off the alternator and take out the 3 bolts that hold the alternator to the engine and unplug the wires that plug into it and you have it off.

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Richard Gora is also using the older Geo alternator from the 3 cylinder models. This alternator has 3 wires. One is drirectly from the battery and 2 others are (or more correctly were) in a green plug. These are the power from the key and the lead to the "no charge" light. My problem is that I do not have the plug and need to determine which of the two wires goes where. Any help ? Thanks !!! Doc PS I have an ohmeter etc etc fcorp1@tampabay.rr.com

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If the light remains on then the system still isn't charging as it should. Check the plug on the alternator and also that the wires to the alt have a good connection.


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