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How do you determine if you have a bad battery or a bad alternator?
Wiki User
∙ 12y ago
Older vehicle (non-computer, uses points): With engine running, remove either lead from the battery (taking it out of the circut). If the engine quits, it needs a battery, if not, do diagnostics on the alternator.
Wiki User
∙ 12y ago
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How do you determine if you have a bad alternator?
One obvious symptom is that your battery will not charge while driving.
Why isn't your Mazda truck alternator not charging your battery?
bad alternator, bad voltage regulator, bad battery, bad connections.
How do you know if you have a bad battery or an alternator?
Your local autoparts store can test the electrical system of your vehicle to determine what is at fault.
How do you wire alternator to a battery to test alternator?
run it and then disconnect the negative wire from the battery if alternator dies its bad.
Why does the battery light stay on after replacing the alternator 2009 Chevy Malibu?
You might have a bad battery, a poor connection between the battery and alternator, or a bad ground from the battery.
MY car battery light is still on after the alternator and the battery has been changed. The battery cables are clean and well attached. Now what?
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. A replacement alternator can be bad. If it is ok than most likely a poor connection to the alternator.
What can make a car battery die when running?
It sounds like the alternator is bad. If the alternator is bad the battery will not hold charge when running
Will a bad alternator keep a 1999 S10 pickup truck from starting?
The answer is no . The battery starts you vehicle , the alternator charges the battery so if your alternator is bad your battery is not receiving a charge which will cause a "no start" condition.
Why won't the alternator charge?
Bad alternator? Bad voltage regulator? Bad Battery (won't take a charge)? Bad fusable link? Loose or corroded battery cables?
Why does the battery light come on a 1996 Ford Exployer after changing the battery and having the alternator checked?
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery.
Why is the Battery light stuck on in my 1996 ford contour battery seems to be fine along with the alternator...?
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery.
My alternator is not getting power from the battery The wiring from the battery to the solenoid and from the solenoid to the alternator is good is this a bad solenoid the car will start and run?
Check for a bad fusable link at alternator
