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#1
03-20-2005, 07:59 PM
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Battery problem?
Lately my battery goes dead everytime I shut off the engine. Is it the battery or the alternator? How can I know? Is there a way for me to check this out? The battery and alternator are less than 2 years old. I do drive over 200 miles a day. Thanks for any responses.
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#2
03-20-2005, 08:20 PM
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Possible that the alternator is on its way out or that you have a short in your system...The Teg had its tail lights sticking on at one point and that drained the battery.
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86 GMC Jimmy Blue and Silver- R.I.P. 87 Integra RS ~228k miles R.I.P.  92 SVX LS-L Perly ~186k R.I.P. 89 240sx se red ~165k miles Gone and unknown 89 240sx se Black~185k R.I.P. 85 Toyota pickup ~205k R.I.P. 85 BMW 325e ~ Gone and unknown 85 Ford Mustang getting engine swap now! 05 Colorado ~108k Daily Driver
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#3
03-20-2005, 08:20 PM
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When you park the car for the night disconnect the battery. Reconnect it in the morning and if it starts right up you have a parasitic draw. If it doesn't start you probably have a bad battery. Have the alternator checked at the parts store for free, many stores now do that.
__________________
ASE Certified Master Automotive Technician w/L1. ASE Certified Master Medium/Heavy Truck Technician. Certified EVT (Emergency Vehicle Technician)
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#4
03-21-2005, 12:11 PM
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Get a volt meter to plug into your lighter and keep an eye on the voltage both before you start the car as well as when it's running. That will definately tell you if there's an issue with your alternator.
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available!
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#5
03-21-2005, 03:07 PM
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Turn On Your Car Unplug The Battery Make Sure Your Positive Doesn't Touch Your Ground While Car Running Turn On Lights Airconditioning Fog Lights And Defrost At The Same Time. If Cr Goes Off Your Alternator Is Bad Or Voltage Regulator,, The Voltage May Be Right But Your Amp May Not. And This Way You Will Know If Your Alt. Is Able To Run Your Car Without The Help Of Your Battery, Make Sure Your Positive Is In Your Hand And The Car Running To Avoid A Short.......
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#6
03-21-2005, 03:18 PM
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Warning Warning
Quote:
Do not do this. Disconnecting the battery while the engine is running will allow uncontrolled voltage spikes to damage electronic units. It needs the battery for the voltage regulator to control the voltage . Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls.
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#7
03-21-2005, 03:19 PM
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Well, that is also a perfect way to fry an alternator. Disconnecting a battery cable while it is running is asking for trouble. Turning all that stuff on could also burn them up too, if the regulator gives up and goes full field (20 volts or more possible.) It may not kill an alternator every time but it is sure as hel hard on them. Just because the guys at the parts store do it doesn't make it right - their attitude? "WTF, it ain't my car!"
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ASE Certified Master Automotive Technician w/L1. ASE Certified Master Medium/Heavy Truck Technician. Certified EVT (Emergency Vehicle Technician)
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#9
03-23-2005, 08:06 AM
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Quote:
__________________
Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon)  1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration  2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection. 
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#10
03-23-2005, 08:09 AM
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if the battery is less than 2 years old, i suggest this is probably an alternator problem... but if the alternator is still also under 2 years old (you installed a new OEM SVX alternator 2 years ago) so it is most probably the battery. open the bolts, is there any acid still left in it? maybe it is drained?
__________________
Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon) 1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration 2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection.
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