What happens if the alternator on a Dodge truck is not working?

Table of Contents

What happens if the alternator on a Dodge truck is not working?

The alternator on your Dodge, whether it’s a car, truck or van, is an essential piece of its electrical system. In fact, if the alternator is not working perfectly, your Dodge will soon begin to experience serious problems. For example, with an improperly functioning alternator, the battery will quickly drain.

What makes an alternator not charge the battery?

That’s a bad regulator hands down. Sounds like its not regulating anything anymore and its sending full field voltage to it causing it to max out on the charge. Anything over 14.8 is abnormal usually, anything over 16 can start to eff up electronics, you’ll be lucky if your ECU/TCU survive too many of those spikes

How does an alternator change from AC to DC?

This rotor piece spins within a coil assembly known as a ” stator “, which contains wound copper coils. As the brushes pass by those stator coils, an electrical charge builds up. That charge is then sent from the coils through a voltage regulator and rectifier that converts it from alternating current (AC) to evenly-flowing direct current (DC).

How can I tell if my alternator needs to be replaced?

Also check all wiring between the alternator and battery to confirm wires are in good shape, without cuts, kinks, or visible signs of corrosion. Have an assistant rev the engine up to around 1500 rpms to see if voltage output increases. If it stays the same, the alternator is probably to blame.

What does it mean when your alternator is not charging?

If the alternator is not charging the battery, you will have a red “ALT” or “charge” sign on your dashboard. This means that your battery is no longer being supplemented for power by the alternator. You will need to recheck the wiring because the light could also be faulty.

Why does the battery warning light come on after replacing the alternator?

A relatively common “side-effect” of replacing a battery and/or alternator in a car is to have the voltage (battery) warning light come on. This is especially true in late-model vehicles with their more sophisticated internal diagnostic systems.

How can I tell if my alternator is working or not?

If your not getting a reading from there you can check your output from your alternator. Make sure you ground your multimeter, and put the power side to the stud that is coming out from the alternator (should be nut holding your wires that go to your battery).

What to do if your alternator is loose on a Dodge?

Locate the alternator. Depending on your model of Dodge, the location will vary. It will, though, have a belt running to it. Check this belt to make sure it is tight. If the belt is loose, you can try tightening it by adjusting the alternator on its mounting bracket. You will need a wrench or socket set to accomplish this.

Why does my car not start with a new battery and alternator?

With a new starter, battery, and alternator (assuming you have not drained the battery attempting to start it), the starter should attempt to crank over the engine. If the starter does not make any noise when the key it turned to crank over the engine, you have an issue with the fuses, or the circuit.

How does the Battery Read on a Dodge?

Connect the digital voltmeter to your Dodge’s battery terminals. Be sure to connect the positive clip on the 12-volt voltmeter to the positive post and the negative clip to your battery’s negative post. The reading you receive will reflect the charge of the battery alone.

How can I tell if my alternator or battery is OK?

As with most electrical issues, if you know the battery or alternator is OK (because you had it tested), then diagnosis comes down to tracing and testing for continuity from one portion of the circuit (s) involved to the next.

The alternator on your Dodge, whether it’s a car, truck or van, is an essential piece of its electrical system. In fact, if the alternator is not working perfectly, your Dodge will soon begin to experience serious problems. For example, with an improperly functioning alternator, the battery will quickly drain.

With a new starter, battery, and alternator (assuming you have not drained the battery attempting to start it), the starter should attempt to crank over the engine. If the starter does not make any noise when the key it turned to crank over the engine, you have an issue with the fuses, or the circuit.

What did I do when my alternator died?

I was driving on the freeway and my car started to make a weird noise. Pulled over to the next lane for the next exit. It automatically died and locked up. I kicked it in neutral and forced it onto the shoulder. Roughly a week or two before that I replaced the alternator and it was running great.

Connect the digital voltmeter to your Dodge’s battery terminals. Be sure to connect the positive clip on the 12-volt voltmeter to the positive post and the negative clip to your battery’s negative post. The reading you receive will reflect the charge of the battery alone.

What’s the best way to remove and replace an alternator?

Follow these simple, step-by-step instructions for removing and installing an automobile alternator with common tools. Includes advice on the correct wiring as well as testing and troubleshooting tips. Sponsored by BBB Industries – makers of premium alternators and starters that meet or exceed OE form, fit and function. http://www.BBBind.com

What are the symptoms of a bad alternator?

Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Ram with an adequate power supply, it will begin to feed off of the reserve in the battery.

How many volts does an alternator need to charge?

Let’s go ahead and leave the air conditioner off, as well as the headlights and any other accessories. With the engine just fired up, you should get over 14.2 volts. If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator.

Can a bad alternator leave a Dodge Ram without power?

A bad alternator can leave your Dodge Ram without power and unable to move. Alternators don’t always go bad in the exact same way. We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy).

Where is the alternator on a Dodge truck?

Open the hood of your Dodge with the engine turned off. Also check to make certain that all other switches and/or electrical components have been turned off. Locate the alternator. Depending on your model of Dodge, the location will vary. It will, though, have a belt running to it.

Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Ram with an adequate power supply, it will begin to feed off of the reserve in the battery.

Let’s go ahead and leave the air conditioner off, as well as the headlights and any other accessories. With the engine just fired up, you should get over 14.2 volts. If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator.

Where do the wires come from in an alternator?

They said they have OHM tested the two wires coming from the ECM to the alternator and they are good. He even inserted two different wires in the wire ports where the alternator wires come from the ecm to bypass the wires all together. Still no signal to tell the alternator to charge.

How can I tell if my alternator is damaged?

It’s tested by using a DVM or test light. If power is not present then the PCM is damaged. The green wire will show a good ground more than likely but this will not work is there is no +12V to the field. This is where you make use of the article for ECM / PCM rebuilders. Make sure to test the alternator and replace it as well.

Why is my alternator not charging my battery?

I changed the alternator out, three times actually. O’reilly was thinking they gave me a bad remanufactured one. The batteries are far from new but they took a charge and showed they were good, O’reilly charged both batteries for me, trying to help where they can.

What kind of alternator does a Dodge Ram have?

This 12V, 136A, alternator is a Direct replacement for your stock alternator on your Cummins engine in Dodge Ram (model years: 1989-2002), with no mounting bracket modifications. Our custom built Dodge Cummins One Wire Alternator does not require any connections to your vehicles computer to function, simplifying your charging system.

Where are the fuses located in a Dodge Ram?

An integrated Power Module is located in the engine compartment near the battery. This center contains cartridge fuses and mini fuses. A description of each fuse and component may be stamped on the inside cover otherwise the cavity number of each fuse is stamped on the inside cover.

It’s tested by using a DVM or test light. If power is not present then the PCM is damaged. The green wire will show a good ground more than likely but this will not work is there is no +12V to the field. This is where you make use of the article for ECM / PCM rebuilders. Make sure to test the alternator and replace it as well.

What kind of regulator is in one wire alternator?

The regulator is built into our One Wire Alternator. Choose from standard 8 Groove Pulley or the Decoupler Pulley in the Drop Down Options. NOW AVAILABLE WITH OPTIONAL TERMINAL FOR TACH OR HOUR METER. SELECT YOUR OPTION IN THE DROP DOWN BELOW AND ADD TO CART.

Where is the charge wire on a Dodge alternator?

There is a Black/Grey Wire between the Gen/Alt and the PDC which contains the 140amp fuse and then a red wire to the battery. This is the large charge wire that electricity flows from the Gen/Alt to the 140amp fuse in the PDC and onto the battery.

What does it mean when your alternator stops charging the battery?

Indicator Light On. Usually, the first sign that your charging system is in trouble is a “battery,” “ALT,” or “CHARGE” warning light illuminating on your instrument panel while driving. It means that for some reason, the alternator has stopped charging the battery and your car is running on battery power.

Where is the PCM located on a Dodge alternator?

This is where the PCM lives behind your air filter box, notice I removed mine for better access, TURN THE KEY OFF before disconnecting. The connector closest to the passenger side is the Grey C3 connector. The Connector in the middle is the White C2 connector. Reference the wiring diagram at the PCM.

There is a Black/Grey Wire between the Gen/Alt and the PDC which contains the 140amp fuse and then a red wire to the battery. This is the large charge wire that electricity flows from the Gen/Alt to the 140amp fuse in the PDC and onto the battery.

What causes an alternator to over charge a battery?

Measure voltage across the battery with your DMM. You should get 0.5 to 2 volts higher than base voltage. If you are getting more than 2 volts above base voltage, most likely your alternator is over-charging the battery or the battery is faulty. Other potential problems are a faulty voltage regulator or a problem in the charging system wiring.

This is where the PCM lives behind your air filter box, notice I removed mine for better access, TURN THE KEY OFF before disconnecting. The connector closest to the passenger side is the Grey C3 connector. The Connector in the middle is the White C2 connector. Reference the wiring diagram at the PCM.

Is there a 1993 Dodge Ram B350 for sale?

1993 Roadtrek Dodge Ram B350 Conversion Camper This auction is for a used 1993 Roadtrek Dodge Ram B350 Conversion Camper. Vehicle was primarily used by a retired West Virginian couple.In terms of wear, there is light rust damage on a few body panels, paint chipped in a few areas, and general fading of the upholstery.

What kind of Van is a Dodge B350?

This conversion van was built by Phoenix industries international for the US Government and all work is top notch. 1993 Roadtrek Dodge Ram B350 Conversion Camper This auction is for a used 1993 Roadtrek Dodge Ram B350 Conversion Camper.

Why is my Dodge B350 air conditioner not working?

As a solution, Chrysler provided replacement parts for concerned vehicle owners. Another common problem with the heating and air-conditioning system is an HVAC system that suddenly switches to defrost mode when speeding up. A possible cause for this is a leak coming from the vacuum check valve.

What does 12 volts mean on a Dodge Charger?

The reading you receive will reflect the charge of the battery alone. A reading around 12.5 or 12.8 volts is normal. A reading below 12 volts may indicate your Dodge’s battery is the culprit. Charge the battery and, without running the car in the meantime, test it again the next day.

How much does a Dodge Ramcharger Fender emblem cost?

We have a very limited number of aftermarket 1974 – 1980 Ramcharger fender emblems available for $150 per pair plus shipping. We are limiting sales to one pair per customer. These are high quality chromed metal emblems with 3 correctly located mounting pins on the back, painted the original red orange color.

What are the features of a Dodge Ramcharger?

The Dodge Ramcharger parts and accessories as well as its standard features were very unusual for the vehicles during its time. But compared to the modern vehicles in the same category, they have so many similarities.

When did Dodge stop making the Dodge Ramcharger?

Although its production and distribution ended in 1993 for the United States market, the Dodge Ramcharger’s production in Mexico continued until 1996.

The reading you receive will reflect the charge of the battery alone. A reading around 12.5 or 12.8 volts is normal. A reading below 12 volts may indicate your Dodge’s battery is the culprit. Charge the battery and, without running the car in the meantime, test it again the next day.

Can a bad alternator cause a bad idle speed?

A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced. A faulty alternator can fast idle issues; if so, replace it. For the do-it-yourself mechanic, Many high-idle problems can be identified and remedied with some patient troubleshooting.

What causes a radiator alternator to stop working?

A closer observation of the radiator will reveal a system of pulleys or belts that work to convert mechanical energy into electrical energy. The alternator will stop working the moment your belt wears out and breaks or the pulley becomes damaged. These items are easy to replace. 3. Faulty fuse Fuses blow up due to a power surge or they wear out.

If the alternator is not charging the battery, you will have a red “ALT” or “charge” sign on your dashboard. This means that your battery is no longer being supplemented for power by the alternator. You will need to recheck the wiring because the light could also be faulty.

How to troubleshoot an alternator and charging system problem?

If necessary, adjust the belt with the help of your car owner’s manual or repair manual. Inspect the belt for signs of cracks, cuts, shiny spots, deterioration or other signs of wear or damage. Change the belt and belt tensioner at the manufacturer’s recommended interval. 2. Check for Wiring Problems

Why does my car stall at low rpm?

The will likely force your computer to stall the engine and only allow it to run at low RPMs, which means the car will only move at slow speeds. This is a safety feature enforced by the computer so that your engine doesn’t get too damaged.

Is the drivig engine smooth at low idle?

So smooth you could balance a coin on the engine even at low idle revs of around 650 rpm. In fact drivig with the TPS disconnected is quite acceptable, except that automatic gear change down does not happen (as expected). Have had the car for approx 13 years and has been a great, reliable family car.

What does a low voltmeter reading on a Dodge mean?

Another low reading would mean that your battery is bad or that you have a short circuit in the wiring. Disconnect the voltmeter from the battery posts and ask a friend or family member to get behind the wheel and start the Dodge. Then reconnect the voltmeter to the battery exactly as you did before.

What should the volts be on a Dodge Charger?

A reading around 12.5 or 12.8 volts is normal. A reading below 12 volts may indicate your Dodge’s battery is the culprit. Charge the battery and, without running the car in the meantime, test it again the next day.

Another low reading would mean that your battery is bad or that you have a short circuit in the wiring. Disconnect the voltmeter from the battery posts and ask a friend or family member to get behind the wheel and start the Dodge. Then reconnect the voltmeter to the battery exactly as you did before.

A reading around 12.5 or 12.8 volts is normal. A reading below 12 volts may indicate your Dodge’s battery is the culprit. Charge the battery and, without running the car in the meantime, test it again the next day.