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If the gauge is showing less than 13 volts with the engine running, then the alternator is more than likely defective. Have the system checked at your local auto parts store.
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∙ 11y ago
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Why does your battery gauge run low?
my gauge reads 10 volts drive half mile it go to 8 Alternator is defective and needs replacing.
1994 explorer lights dim wipers slow and battery gauge goes to low What would cause this?
Either your battery is dead, or your alternator has failed.
Why does the battery voltage gauge on my 1991 Ford F150 run low?
alternator probably needs replacing not charging battery or bat is dead and not taking charge
What is the light on dash of 2000 cougar that looks like a battery with fan in center?
There is the ( low coolant ) warning light that is at the bottom of your gauge cluster between the engine temperature gauge and your tachometer
What is the H and L gauge for the Ford Crown Victoria 1996?
On a 1996 Ford Crown Victoria : The H / L ( High / Low ) gauge : On the drivers side of the speedometer is the battery voltage gauge On the passenger side of the speedometer is the engine oil pressure gauge
What makes the check gauge light come then the battery gauge rolls from side to side?
What year is your car? Did you mean the CHECK ENGINE light? The battery gauge?
How battery charger gauge works?
it works in side the battery
What do I look for when the gas gauge drops to empty the abs light comes on the air bag light comes on and the message center reads battery service 4wd and low fuel?
check the alternator and battery.
How do you reset the fuel capacity gauge on Audi A4?
Low battery and when attempting to start car ran battery further down. Date and time went to default settings and fuel gauge registered empty. Charged battery. Fuel gauge still showing nothing. Picked up answer from Audiworld post. Removed fuse 15 (instrument cluster) & 28 (fuel pump), turned on ignition or to start the car - might not start, but mine did), put fuses back in. Fuel gauge now correct.
98 ranger replaced alternator and battery but still shows battery light and no charge on gauge?
sounds like your gauge is broken or there is a short in wiring
Is your battery weak if your voltage gauge moves down?
Weak battery, or weak alternator.
How do you tell if the multimeter battery is low?
Just replace the battery if you suspect it is low.
