Why is my alternator draining my battery?
Defective Alternator If your alternator has a bad diode, your battery can drain. The bad alternator diode can cause the circuit to charge even when the engine is shut off, and you end up in the morning with a car that won’t start.
Why does my car keep dying with a new battery and alternator?
Some of the most common reasons for a car battery to die repeatedly include loose or corroded battery connections, persistent electrical drains, charging problems, constantly demanding more power than the alternator can provide, and even extreme weather.
Can an electrical short drain a car battery?
A short circuit may cause excessive current draw and drain your battery. Check the charging system for a loose or worn-out alternator belt, problems in the circuit (loose, disconnected or broken wires), or a failing alternator. Engine operation problems can also cause excessive battery drain during cranking.
Can a blown fuse drain car battery?
a fuse blows to keep current from going through the circuit. in other words, there’s no way a blown fuse can drain the battery. take the battery in to get checked, it might just be a bad battery.
Can a bad ground cause battery drain?
A bad ground might not cause a battery to drain, but it will prevent it from properly recharging.
Is it bad for a car battery to drain completely?
Even though 80 percent of the capacity remains when a car battery dips to around 10.5 volts, the battery is considered to be fully discharged because taking the cycle any deeper will cause irreversible damage to the plates through excessive sulfation.
What is a parasitic drain on a battery?
Parasitic drain on your battery is essentially when your car’s electrical system continues to pull energy from the battery, even when the vehicle is entirely turned off. Instead, this is when everything is off, and electricity continues to drain from the battery. To some extent, this is normal.
What can cause parasitic battery drain?
The most common causes of parasitic drain are under hood lights, trunk lights, headlights or glove box lights that do not turn off when the door is closed. Relay switches that are stuck in the “on” position can also cause a battery to drain.
Can a bad alternator ruin a battery?
When an alternator goes bad, there is a chance it can overcharge the battery. When an alternator overcharges the battery, it will result in an excessively high voltage, and this will end up in a premature cell. ripple voltage is fatal because it can not only kill the battery but also the entire electronics of the car.
What are some of the problems with the 2008 Honda Accord?
Ask your Honda dealer. CarComplaints.com Notes: The 2008 Honda Accord has several serious defects: poor brakes, excessive oil consumption, & uncomfortable seats. Read more ยป BRAKES: There was a class action lawsuit against Honda in 2010 for premature & excessive brake wear.
Why are the seats in a Honda Accord so uncomfortable?
UNCOMFORTABLE SEATS: Owners have consistently reported uncomfortable seats with the entire 8th generation (2008-2012) of Honda Accords. Complaints range from back pain to leg circulation problems due to bad lumbar support, cushioning, & seat angle.
Is the oil consumption on a 2011 Honda Accord fixed?
OIL CONSUMPTION: Honda issued a TSB about this in late 2011, claiming it could be fixed through a software update to the VCM (variable cylinder management). There are class action lawsuits pending. See our page about the Accord oil consumption.