Available with the 4.6-liter, two-valve engine, the 1997 Ford Mustang remained relatively unchanged from the prior model year. The alternator -- rated at 130 amps -- has an electronic integral voltage regulator. Alternator repair kits and replacement brushes are available for your unit.
Open the hood and allow the engine to cool. Install a memory-saver device according to the manufacturer's instructions.
Loosen the negative battery cable pinch bolt, using a wrench, ratchet and socket. Rotate the terminal on the post slightly to encourage it to release, then disconnect the terminal from the battery.
Unplug the alternator wiring harness connector from the back of the alternator. Remove the alternator output nut, using a ratchet and socket, then remove the terminal from the post.
Install a ratchet handle on the drive belt tensioner and rotate the tensioner to release the drive belt. Slide the belt off the tensioner pulley and slowly release the tensioner.
Remove the alternator mounting bracket retaining bolts and remove the bracket. Remove the alternator mounting bolts, using a ratchet and socket, then remove the alternator.
Hold the alternator in place and install the mounting bolts. Torque the upper bolts to 15 to 22 foot-pounds. Install the generator mounting bracket and tighten the bolts to 71 to 106 inch-pounds.
Rotate the drive belt tensioner, using a ratchet handle, and install the drive belt. Ensure that the belt is fully engaged with the alternator pulley.
Plug in the alternator wiring harness. Install the output wire terminal on its post. Install and torque the output nut to 62 to 79 inch-pounds, using an inch-pound torque wrench and socket.
Install the negative battery cable terminal on the battery post. Tighten the terminal pinch bolt to 68 to 92 inch-pounds. Remove the memory-saver device.