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2011-2014 Mustangs
Interior and Exterior
Weird gauge problem this morning? Premium gauges.
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<blockquote data-quote="OptimaJim" data-source="post: 11250901" data-attributes="member: 96558"><p>Hi SicShelby09, I'm sorry to hear about the problems you've been having and I'd like to help. While a car sitting idle for a week shouldn't necessarily cause a battery to become discharged, it could be symptomatic of either a parasitic draw in your electrical system or a chronically undercharged battery. <a href="http://youtu.be/-yPlx4MBNRU" target="_blank">This video</a> explains some basic battery diagnostics, including measuring for parasitic draw.</p><p></p><p>If your car doesn't see regular use or is frequently used on short trips, it is possible that the alternator isn't able to keep pace with the electrical consumption of the vehicle. Fully-charged, most batteries will measure at least 12.6 volts (our RedTops measure about 12.6-12.8 and our YellowTops measure about 13.0-13.2 volts). When batteries are discharged below 12.4 volts and allowed to sit in that state, sulfation will begin to form, which diminishes both capacity and lifespan. A battery that is “half dead” is discharged to about 12.0 volts and should definitely be fully-recharged with a battery charger as soon as possible, as most alternators are designed to maintain batteries, not recharge deeply-discharged batteries.</p><p></p><p>When your engine is running, the voltage measured at your battery terminals is the output of your alternator and should be approximately 13.7-14.7 volts. However, people who run underdrive pulleys will typically see lower voltage levels and more dead batteries, if they don't keep their batteries maintained with a charger.</p><p></p><p>Jim McIlvaine</p><p>eCare Manager, OPTIMA Batteries, Inc.</p><p><a href="http://www.facebook.com/optimabatteries" target="_blank">Optima Batteries - Automobiles and Parts - Milwaukee, WI | Facebook</a></p></blockquote><p></p>
[QUOTE="OptimaJim, post: 11250901, member: 96558"] Hi SicShelby09, I'm sorry to hear about the problems you've been having and I'd like to help. While a car sitting idle for a week shouldn't necessarily cause a battery to become discharged, it could be symptomatic of either a parasitic draw in your electrical system or a chronically undercharged battery. [URL="http://youtu.be/-yPlx4MBNRU"]This video[/URL] explains some basic battery diagnostics, including measuring for parasitic draw. If your car doesn't see regular use or is frequently used on short trips, it is possible that the alternator isn't able to keep pace with the electrical consumption of the vehicle. Fully-charged, most batteries will measure at least 12.6 volts (our RedTops measure about 12.6-12.8 and our YellowTops measure about 13.0-13.2 volts). When batteries are discharged below 12.4 volts and allowed to sit in that state, sulfation will begin to form, which diminishes both capacity and lifespan. A battery that is “half dead” is discharged to about 12.0 volts and should definitely be fully-recharged with a battery charger as soon as possible, as most alternators are designed to maintain batteries, not recharge deeply-discharged batteries. When your engine is running, the voltage measured at your battery terminals is the output of your alternator and should be approximately 13.7-14.7 volts. However, people who run underdrive pulleys will typically see lower voltage levels and more dead batteries, if they don't keep their batteries maintained with a charger. Jim McIlvaine eCare Manager, OPTIMA Batteries, Inc. [url=http://www.facebook.com/optimabatteries]Optima Batteries - Automobiles and Parts - Milwaukee, WI | Facebook[/url] [/QUOTE]
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Weird gauge problem this morning? Premium gauges.
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