The best and easyest ways to tell would be to use a voltage tester/volt meter with the engine running. I would take the volt meter and hook it up to the battery and take a reading with the engine running around 1000 R.P.M. .The average reading should be around 13.50 to 14.50 volts DC (this is with a 12 volt system) the truck should have something on the dash to indacate the status of the charging system,some times its a amp gage or a bulb.If you have a bulb system,the light should be out while the engine is running. To check the bulb with the engine off,key on the bulb should be lit,this is a way to check the bulb. the bulb should also be lit while cranking. If you have a gage-the gage is either volts or amps. if the gage reads in volts the reading should be simler to the volt meter reading that was taken at the battery. If you have a amp gage-their usually have a zero in the middle of the gage, usually to the left of the zero would indacate a negitive numbernot charging,if the reading is to the right of the zero that would indacate charging(note:amp readinga are with engine running @ 1000 R.P.M.) also note the you ahould have all accories turned off.
The engine computer is the regulator.
The engine computer is the voltage regulator.
The engine control module acts as the voltage regulator.
I have just finished fixing the voltage regulator on a dodge Dakota pickup. The voltage regulator is located on the center of the firewall behind the engine, it is near the coil pack that hooks up to the distributor, its a silver box, kinda square held on with two screws, you can pickup a new regulator for like $15 if you get the generic one, piston ring in Canada was the cheapest but napa had a cheap one too
The engine computer is the regulator.
It is built in to the alternator.
The engine computer is the regulator.
On a fuel injected truck it is a part of the computer behind the battery.On a fuel injected truck it is a part of the computer behind the battery.
The engine computer, located behind the battery, is the voltage regulator on a 1991 D150 truck.
The voltage regulator for the alternator is in the computer. If the voltage regulator in the computer does not work, you can add an external voltage regulator and then your battery will charge normally. Make sure to check the ground on the computer. If the ground is bad on the computer, then the computer will not regulate the voltage to the alternator properly.
It should be attached directly to the alternator.
The voltage regulator is responsible for regulating alternator output. Look at the volt gauge in the dash. If it is too high generally that means that the regulator is bad. Take the truck to Autozone and have them check it for you. They offer this service free of charge and will do it on the truck.