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it is in the alternator
The regulator won't be shown separately on your Pontiac. Most GM vehicles of that vintage had Alternators with built in regulators.
Inside the alternator.
8Where is voltage regulator located
The voltage regulator is inside the alternator.
The voltage regulator is built into the side of the alternator.
A 1997 Pontiac Sunfire would have a voltage regulator and it would be found inside the alternator.
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.
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
It's built into the alternator, you will have to tear the alternator apart to replace it or do as most people do and buy a new alternator.