I need to know where the regulator is located and if i have a fuse for the alternator

I usually try to check generator wiring circuits before replacing. You can see the fuses, not only check the fuses, use a test light or digital multimeter and check voltage on fuse circuits. As you can see, the two fuses on the left are hot all the time. The fuse on the right goes hot with key on. The generator needs excite voltage or it won't charge. The excite voltage usually comes through the charge indicator circuit.
The voltage regulator is usually inside generator, not external part. Just my opinion.

Jorge, You probably have an alternator on that truck,which means the regulator is built into it. Check the attached links,instruction and guides, Good luck

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where is the voltage regulator located

alternator has no fuse --what year make model engine of vehicle what didnt read the tester-battery--alternator and voltage regulators in newer cars is usually within pcm (cars computer )

You are correct as far as a voltage regulator being located inside the alternator. No there isn't a seperate one for the computer and 2 of the wires going to the alternator go directly to the connector of the PCM. Not sure of you problem but am guessing you are having a charging problem. have you checked the fuse for the charging system ? If not it is in the fuse panel under the hood of the vehicle. In the fuse layout I have provided I have marked the fuse you will want to check. If you have a good fuse, have had the alternator bench tested and it tested out good, there is also 2 fuseable links in the wiring for the alternator. One of thos could be blown. You could have a wiring problem and the computer itself could be faulty but that's not very common.

The voltage regulator it in the ECM.What you need to do is go to the basic which can be overlooked like is the Alternator fuse burnt open that will require a new fuse, how is the battery terminal connection? You need to check that,Or how is the calbe from the alternator to the Battery is the connection in good shape? Those you need to check you mainly need a voltmeter to do this but a good visual inspection can get results,

FOLLOW ALTERNATOR WIRES AND BATTERY POSITIVE FEED WIRE.IT WILL TAKE YOU TO THE VOLTAGE REGULATOR BOX.CHECK ALTERNATOR FUSE.IF YOU HAD WIRES TO BURN AND MELT.MORE LIKELY YOU HAVE A BLOWED FUSE.

There is a fusible link in the connection between the alternator and the positive battery cable connector.

On the 1997 it is a 175 Amp Mega Fuse mounted on the outside of the high voltage fuse box located on the drivers's side in the engine compartment. After replacing the battery and the Alternator, it turned out to be a $4.99 fuse that was keeping the alternator current from reaching the battery.

The alternator cable bolts on to one end of the fuse, and the positive battery cable bolts on to the other end. You can test it inline without removing it by checking for continuity across the two bolts. An open circuit indicates that the fuse is blown and needs to be replaced.

If the fuse is blown (which means you have an open circuit), the battery light in the dash should be on.

The car will start normally if the battery has enough of a charge, but it will eventually die when the battery is too depleted to keep the car running, because the alternator can't take over if the current doesn't make it across the blown fuse.

If the battery is dead, it will start with a jump start, but it will die shortly after you remove the jumper cables for the same reason.

This is one of those problems that you might not think of right away, and it will drive you out of your mind. ALWAYS check this fuse before replacing a battery or an alternator on a mid to late '90s Model Thunderbird. You will save time, money, and you won't pull out your hair.

Hi Nanfragoso,
The voltage regulator for your vehicle is built into your alternator. The vehicles on board computer controls the charging system. If it sees too high of a load,it can turn off (or down) the charging system at idle. Be sure to check the output at 1500 rpm.There are 3 fuses listed for the charging circuits. Two are located in the under hood fuse box. #15 and #19 are 60a fuses. One is located in the dash fuse box and is #2- 15a. Give these a quick check. If you don't find a blown fuse,drop me a line and we can go on with the diagnosis. Thanks,Chuck

For 2001 Audi A4 the fuse box is located on the left side of dashboard behind a plastic cover (for left hand steering wheel vehicle). On inner face of the plastic cover you will find the fuse diagram. But the alternator don't have any fuse! You can check up electrical connections. If you don't find anything wrong the alternator is out of order. Replace brushes inside, or voltage regulator (see picture below)!
4 - Voltage Regulator

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