The voltage regulator in a Volvo alternator has been built into the alternator since the 70's. To replace it, you would have to remove the alternator and disassemble it. Then the regulator can be accessed. It is probably soldered in, so you will need a good soldering gun and the ability to de-solder and solder. It would be quicker and easier to replace the alternator assembly with a remanufactured unit. massvolvoman
Take off door cover drill out the rib it's take out the star bit bolt drop whole assembly then replace ribbits
The voltage regulator is in the alternator, referred to as an "internal voltage regulator." It's integral with the brush pack and is replaceable.
The voltage regulator is built into the side of the alternator.
My 1982 Volvo 244GL had a voltage regulator in the back of the alternator so I assume your 1984 is the same
The engine computer is the voltage regulator, and yes you can replace it.
On most vehicles today the voltage regulator is built into the alternator. If that is the case then just replace the alternator. If the voltage regulator is external on your vehicle then replace the voltage regulator.
inside the alternator
internal to the engine computerThe voltage regulator on a 2000 Chrysler Voyager is located within the Powertrain Control Module. If you want to replace the voltage regulator, you have to replace the PCM.
replace the voltage regulator
The voltage regulator is located in the Single Board Engine Controller (SBEC or ECM). If you have to replace it, you have to replace the computer. The computer has the voltage regulator in it. The alternator gets feedback from the computer to produce more of less voltage.
The voltage regulator is located in the PCM if it is going out you have to replace the entire computer
The VR is on the back of the alternator.
In your PCM not the alternator Its built in the alternator be sure that you replace the alt with the same amp. alt it could be a 90 or 124 amp alternator. Replace the belt while you have the alternator off.