A: Disconnect the negative Battery Cable. Loosen the adjusting bolt and remove the drivebelt. Raise the rear of the vehicle and secure it on jackstands. Block the front wheels. Unplug the two-terminal connector and remove the battery lead from the back of the alternator. These three resistance checks will determine whether your separately mounted coil is good or bad. Remove the pivot through-bolt and loosen the alternator bracket bolt. Remove the alternator by lowering it out the bottom of the engine compartment. Place the alternator in position, plug in the two-terminal connector and attach the battery lead to the alternator terminal. Install the through-bolt and nut and tighten it securely. Tighten the alternator bracket bolt securely. Install the adjusting bolt. Install the drivebelt and adjust the tension. Connect the negative battery cable.