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On fuel injected models, the voltage regulator is not in the alternator, it is, unfortunately, part of the computer. The field winding in the alternator receives it excitation voltage from the computer. The Computer Monitors the system voltage and provides what it thinks is the appropriate field drive to keep the battery charged. The bad part about this is that you have to replace the whole engine computer if the regulator portion of it fails (at least $200.00 or more) I know this from personal experience. It might be possible to install an external regulator or install an alternator with built in regulator but you will have to modify the wiring.
On carbureted models the voltage regulator should be mounted on the firewall near the ignition coil. It should look like a small metal box about the size of a pack of cigarettes and be held on by two small bolts and have a small wiring harness (two or maybe three wires).
What else can I help you with?
Where is the voltage regulator on a 1990 Dodge Dynasty?
The PCM (engine computer) is also the voltage regulator.
Where is external voltage regulator on 1990 Dodge Ram truck?
The engine computer is the voltage regulator.
Where is the voltage regulator for a dodge ram 1990 located at?
The engine computer is also the voltage redulator.
Where is voltage regulator on 1990 dodge ram 150?
The engine computer is also the voltage redulator.
Where is the location of voltage regulator on 1990 van dodge ram 2500?
The engine computer is also the regulator.
Where is the voltage regulator on a 1990 Dodge W250 4X4?
It should be on the firewall centrally located.
Is the voltage regulator part of the Ecm in a 1990 Dodge Ram 250 van?
Yes.
Where is the voltage regulator located on a 1990 Dodge Grand Caravan 3.3L SE?
It is part of the alternator
How do you start voltage regulator in a Dodge ram 1990 van?
Ask your question again because I believe you mean a starter. I've never seen anyone start a voltage regulator.
Can the voltage regulator stop the motor from firing on a 1990 dodge 250 van?
No, the voltage regulator determines the alternators output voltage. That's all it does. If the regulator fails the battery level can drop to the point that there will not be sufficient charge to start the engine, but the regulator will not directly cause the engine to not run.
Where is the voltage regulator on a 1990 power ram?
The engine computer is the voltage regulator.
Where is the voltage regulator located in a 1990 Lincoln town car?
where is voltage regulator on 1990 lincoln town car
