Use a wrench to remove the negative and positive battery cables: They are clearly labeled "+" and "-." Always remove the negative cable first, as this isolates the power to the metal parts of your car. Tuck the cables away from the battery as you don't want them to accidentally touch a battery terminal when you're wiring your alternator.
Locate the alternator terminals. There are two: one marked "live," "pos" or "+" and the other marked "neg," "field" or "-."
Locate the two cables. The positive (red) cable goes to your battery via a wire loom or harness. The negative (black) cable attaches to a metal part of your car.
Check how the cables attach to the alternator terminals. Some connect using eyelets that hook over the terminal and tighten with a bolt; others connect by inserting the wire under the terminal and tightening a bolt.
Loosen the two bolts using a suitable-sized wrench or, if the cables connect using eyelets, remove the bolts.
Insert the exposed end of the negative (black) cable under the loosened bolt on the negative terminal of the alternator, then tighten the bolt. If the cable has an eyelet, hook it over the terminal and screw the bolt back in place and tighten using a wrench.
Insert the exposed end of the positive (red) cable under the loosened bolt on the positive terminal of the alternator, then tighten the bolt. If the cable has an eyelet, hook it over the terminal and screw the bolt back in place and tighten using a wrench.
Replace the positive battery cable on the positive battery terminal using a wrench. Replace the negative battery cable on the negative battery terminal.
Before servicing the vehicle, refer to the Precautions Section.
Disconnect the battery ground (negative) cable from the battery.
Raise and support the vehicle.
Remove the radiator air baffle.
Remove the starter motor BAT terminal nut and electrical leads.
Remove the starter motor bolts.
Remove the starter motor.
Starter motor mounting-3.6L engine
To install:
Install the starter motor.
NOTE
Use the correct fastener in the correct location.
Install the starter motor bolts. Tighten the starter motor bolts to 37 ft. lbs (50 Nm).
Install the starter motor S terminal electrical connector.
Install the battery positive cable and the BAT terminal nut to the starter motor BAT terminal. Tighten the starter motor BAT terminal nut to 115 inch lbs. (13 Nm).
Install radiator air baffle assembly.
Lower the vehicle.
Install the battery ground (negative) cable to the battery.
Turn off the engine and place the transmission in park (automatic) or first gear (manual). Engage the parking brake and open the hood. Disconnect the negative cable from the battery terminal using the battery terminal wrench.
Remove the serpentine belt by inserting the end of the serpentine belt tool into the square hole on the belt tensioner and rotating the removal tool clockwise. Unplug the alternator's electrical connector. Remove the bolt holding the positive voltage cable to the alternator using a 3/8-inch ratchet and a metric socket. Remove the positive voltage cable from the alternator.
Remove the alternator bracket bolts using a metric socket connected to a 3/8-inch ratchet. Remove the alternator from the car. Place the new alternator in the mounting brackets and reinstall the mounting bolts using a 3/8-inch ratchet connected to a metric socket.
Reinstall the positive voltage cable on the alternator and tighten the retaining nut using a 3/8-inch ratchet and a metric socket. Plug in the alternator's electrical connector. Compress the serpentine belt tensioner using the serpentine belt tool. Reinstall the serpentine belt according to the belt-routing diagram located under the hood.
Reconnect the negative cable to the battery using the battery terminal wrench. Start the engine and verify that the alternator works.
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By the way, I couldn't post the info w/out a specific car, so I used a Yugo countrycurt0
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