SOLVED: No 12 volt power when disconnected from shore power

Re: No 12 volt power available when disconnected from shore power If it were me I would stick the black lead of my meter on the ground post and start following the power, check at the battery first to see what your reading is "a round 12 or 13 volts" then move the red probe to the hot side of the circuit breakers the to the out put side of the circuit breakers.

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Will a motor be safe if i over voltage it a little bit?

If you limit the current to the motor you can in fact drive it at much higher voltages and speeds without significantly over-heating the motor. This is because one of the governing …

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What determines how much power the motor ''draws''?

I''m new to electrical engineering, and probably asking the wrong question. Not sure how else to phrase it. For the question, I''m going to use an example layout of simply a 9v battery attached to a toy DC motor. From my understanding of my previous question, the voltage coming from the battery through the motor will be around 9v.. The current will be from 0amps …

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How to Fault Find & Troubleshoot Electric Motors

Make sure the power is disconnected before examining by: Unplugging, physically disconnecting, or locking off the device. If you have a testing device, check the item …

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Why Is My Alternator Overcharging?

Symptoms Of An Overcharging Alternator. When the alternator overcharges, it causes the headlights or dashboard lights to flicker. It can also cause brighter lights than …

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AUMT 1407: Chapter 3 Flashcards

Technician A says damage can occur to solid-state circuitry if the charging voltage is allowed to get too high. Technician B says damage can occur if the vehicle is allowed to run with the battery disconnected. Who is correct? Both A and B Technician A says an ...

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Intermittent Loss of Power on an Ebike? 8 Reasons and Fixes

This post may contain affiliate links. If you click an affiliate link and make a purchase, I may earn a commission. Also, as an Amazon Associate, I earn from qualifying purchases.-- It does get very exasperating when you have an e-bike that falls prey to intermittent power losses. This issue can confuse a lot of …

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Alternator Overcharging Symptoms: What Causes Them & How …

For reference, the "normal" range of alternator voltage is usually between 13.5 and 14.5 volts. If you get a reading between those numbers, it means your alternator is healthy and supplying the battery with exactly the juice it needs. A lower value means the alternator

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8 Reasons Why Battery Is Fully Charged But Car Won''t Start!

Ultimately, there are eight common reasons for this, ranging from battery-related issues to faults with other components. For each reason your car won''t start despite a charged battery, we''ll discuss the appropriate solution. Pro Tip: If …

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What happens if I disconnect the battery while the car is running?

When a Battery is disconnected from a running engine, there is a milliseconds high voltage spike that occurs the instant the terminal leaves the battery connector. Some researchers say it can be as much as 150v in your vehicles 12v circuitry. Remember that ECU ...

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Boat Has No Power but Battery Is Good: Troubleshooting Guide

This can happen when the starter motor isn''t receiving power, despite having a good battery. These symptoms can vary depending on your boat''s electrical system and components. The key is to pay attention to any sudden changes or issues with the boat''s electrical operation, as they often point to an underlying problem that needs addressing.

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Why Is My Alternator Overcharging?

In most cases, 15 volts is too high, but you need to check your service manual to be sure. Some manufacturers, especially European, install equipment that uses a lot of power. Daytime running lights draw more power, so the voltage regulator may be set higher to compensate for these features.

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Car Battery Problems? 12 Most-Common Issues & Fixes

Car batteries should only last a few years. If yours has been acting up lately, it may be ready for replacement. Before you decide to spend money on a new one, here are the 12 most common issues you should check …

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Car Battery Not Charging? Discover 7 Reasons Why …

This power is used to charge the battery, and to provide all of the power necessary to run things like the headlights, interior lights, the radio, and all other accessories. If you find that your car needs to be jump-started on more …

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Common Problems After Replacing Car Battery and How To …

When the battery is disconnected, the idle air adaptive learning is lost and returns to the initial programming. In some cases, the vehicle may idle too low or not at all after battery replacement. Again, this doesn''t happen on every vehicle, but it does seem to be more of a problem on ''90s and early 2000s Dodge pickups.

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Troubleshooting an oV DC Bus Overvoltage Fault

If the oV fault is occurring immediately, refer to the document: Getting a DC Bus Overvoltage (oV) Fault Immediately upon a Run Command. With the power off, disconnect the …

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Understanding Motor Regeneration

In essence the controller maintains the battery voltage constant and chops the battery current, while in turn chopping the motor voltage and maintaining constant the motor current. Obviously the power generated by the battery must be equal to the power given to the motor (the controller has very high efficiency). Indicating the duty cycle as DC:

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Troubleshooting Common e-Bike Problems: The …

If you find that the battery power dies out too quickly, then the first you should do is determine how long the battery pack has been left without charging. ... analyze them, and then determine the best way to transfer the power coming from the …

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pwm

I am proposing to run a nominal 12 volt DC motor using a LiPo battery providing a maximum voltage of 16.8 volts. The motor will be controlled by PWM so my understanding is that I do not need to regulate the input voltage to 12 volts provided I monitor the input ...

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How to select motor, controller and battery parameters for an …

Conclusion – We should select motor power based on vehicle characteristics like Weight, Front area, Maximum Speed requirement, Maximum Torque, Maximum Power, and Gradeability. Other parameters which we need to consider during the selection of a motor are Efficiency, Weight, Size, and Cooling requirement.

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6. Troubleshooting Guide

Check if the battery has been charged with a too high voltage. Very high charge voltage will damage the battery. Check the maximum battery voltage and the high voltage alarms in the …

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Starter motor, starting system: how it works, problems, testing

The starter motor is powered by the car''s main 12-volt battery. To turn over the engine, the starter motor requires very high electric current, which means the battery has to have sufficient power. If the battery is discharged, the lights in a car might work, but it won''t

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What happens if I disconnect the battery while the car is running?

When a Battery is disconnected from a running engine, there is a milliseconds high voltage spike that occurs the instant the terminal leaves the battery connector. Some …

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Reasons Why a Car Battery Voltage Is Too High

My 2015 Acadia with 40,000 km.has a battery voltage of 12.6 when started, with the voltage rising to 15 to 15.5 after a few minutes. In summer, this voltage stays in the 15V region as I drive for perhaps up to an hour or …

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Chapter 53 cranking system diagnosis and service Flashcards

Study with Quizlet and memorize flashcards containing terms like A growler is used to test what starter component?, Two technicians are discussing what could be the cause of slow cranking and excessive current draw. Technician A says that an engine mechanical fault could be the cause. Technician B says that the starter motor could be binding or defective. Which technician …

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Faulty Starter Solenoid? How to Diagnose and Fix Common Issues

The starter solenoid is attached to, or is part of the starter motor. Its job is to act as a switch that turns on the starter motor when you start the ignition. When it gets the signal, it takes the power from the car battery and closes a switch so that this power can be

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Chapter 16 ASE-Style Review Questions Flashcards

Disconnect the motor generators prior to turning the ignition off. 1 / 10 ... Technician A says once the service plug is disconnected, there is no high voltage in the vehicle systems.Technician B says prior to disconnecting the high-voltage service plug, the vehicle must be turned off and the negative terminal of the auxiliary battery must be ...

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How to Reset Idle After Replacing Battery from Vehicles

Will disconnecting battery reset idle? Disconnecting the battery can sometimes reset the idle speed on a car, but it is not a guaranteed solution and should not be relied upon as the only means of resetting idle. When the battery is disconnected, the engine management system may reset and revert to factory default settings, including the idle ...

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Does battery voltage actually get lower when …

Sorry if Im wording this question strangely. I am using a 3.7V battery and my microcontroller monitors the voltage and goes to sleep if my battery voltage is too low. The issue is that it reads a lower voltage than the …

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What happens to an inductor if the stored energy does not find a …

An arbitrarily high rate of change of current produces an arbitrarily high voltage. That high voltage can overcome insulation and create a dangerous path to ground where there should not be one. Circuit breakers that are designed to operate with high currents and inductive loads need to be very carefully designed.

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