The engine control module "learns" how to set the idle speed. When you disconnect the battery the engine control module loses that memory and it has to be reset. To regain the setting drive the car for several miles at moderate speeds and it is reset.
That would tend to indicate that the alternator was not charging the battery for that interval.
To change the alternator in your 1986 Chevrolet Celebrity: 1, Remove the battery ground cable. 2. Unplug remove the wiring from the alternator. 3. Loosen the bolts that hold the alternator in place. Remove the drive belt. 4. Remove the bolts and the alternator will pull out. Reverse the process to reinstall the new alternator.
Built into the alternator.
There is no fuse on the alternator.
Yes the voltage regulator is inside the alternator.
There is no fuse for the alternator shown in my factory service manual.
have the alternator and the battery checked
The voltage regulator is inside the alternator on a 1984 Chevy.
triple diodes in alternator are bad
You might have a bad battery, a poor connection between the battery and alternator, or a bad ground from the battery.
The voltage regulator is inside the alternator.
Yes. The vehicle they were installed in (and the options the vehicle had) would dictate the size/capacity of the alternator that was used.