2002 Dodge Intrepid alternater bracket

Your post leaves a lot to the imagination. What wires are you referring to? There's two small wires that plug into the back of the alternator and one fat one that's bolted on. Since when are brackets plugged in?

If you're referring to the gray plug in the upper right of the photo, and it's attached by a little plastic leg, that is for some optional item that wasn't used on your car. Rather than make a multitude of wiring harnesses to cover every possible combination, it's less expensive to make one harness that can be used with a number of combinations of components.

Nope. This is a HUGE problem with a very involved repair!

When the alternator is replaced, the battery has to be disconnected. Doing that, or allowing it to run dead, causes the Engine Computer to lose its memory. Most of the data it had stored will be relearned as you drive, but one thing, "minimum throttle" has a procedure that must be followed. Until that is relearned, the engine may not start unless you hold the accelerator pedal down 1/4", you won't get the nice "idle flare-up" to 1500 rpm when you start the engine, and it will tend to stall at stop signs.

Now for the fix. To meet the conditions the computer needs to see for the relearn to take place, drive at highway speed with the engine warmed up, then coast for at least seven seconds without touching the pedals.