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Battery Light
#1
Has anyone had a battery light that will randomly go on and off. On my 03 SVTF it seem that it will happen, and whenever it is stopped the car wants to stall when the light is on, but not when its off.

I had the dealership check it out, they preformed a AVR test which was good and I had the battery replaced back in Feb 2012. Any clue what it could be.
'03 Focus SVT
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#2
I have a similar issue , especially when I'm accelerating onto the highway . I have yet to find and answer ether.
2002 SVT Focus
Procharger @ 10psi , Clutch Masters Stage 3 Clutch,Stainless Borla Exhaust, Ebc dimpled + slotted rotors and brakes ,Russel Stainless brake lines , Koni adjustable shocks ,Eibach Sportline Springs , CFM short throw shifter , Euro Grill , CFM 65mm tb , Mach Headlights , MSD Coil ,SCT Dyno tune @ steeda , Volant Intake .  
-2003 SVT Wagon - Euro Conversion , currently retired
Svt side skirts , st170 front bumper , mach headlights , spax rear adj shocks , focus sport rear springs , volant CAI , Roof rack delete , Street edition Spoiler , MBRP exhaust , Eibach front swaybar , shorty shifter and lots more to come!                             .
2011 SES - daily driver will be modded soon .                                                                                                                                                        
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#3
I know this is a simple answer but have you tested the alternator yet?
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#4
Clean and tighten all battery connections and body grounds.
2008 Fusion SEL MTX - DD1 * 2009 Fusion SEL - DD2 * 2007 Focus ZXW - R*I*P * 2004 Focus ZTW CD Silver - sold * 2004 Focus ZTW Black - sold * 2003 Focus ZTW Black - sold * 2001 Focus ZTW Gold - sold * 2000 Focus SE Wagon (ZTW option) - Black - sold * 2000 Focus SE Wagon (ZTW option) - Gold R*I*P

2003 Focus ZX5 infra-red Track Rat - R*I*P
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#5
(08-12-2012, 12:20 PM)ZTWsquared Wrote: Clean and tighten all battery connections and body grounds.

X2 and yes check ur alternator's charging ability. The regulator could be dead
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#6
that dealership tested avr and still battery is good since feb 2012, so...it is not an alternator.

clean and make sure to tighten battery posts..and check cables.
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#7
(08-12-2012, 12:20 PM)ZTWsquared Wrote: Clean and tighten all battery connections and body grounds.

I clean and checked all connection last weekend, and to check to make sure the alternator was charging. It showed 13.5 to 14 volt to the battery while idling.
'03 Focus SVT
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#8
and also make sure your serpentine belt is not slipping.
BLACKBOX(DASHCAM) | LED | HID | REMOTE STARTER + SECURITY | 12 VOLT ACCESSORIES | CAR ENTERTAINMENT | PERFORMANCE UPGRADE | MAINTENANCE REPAIR
[Image: banner_468x60_zps1c433cb9.gif]
info@motormaniac.ca | 905.508.3737
If you are calling after hours, please leave a pm or detailed voice mail and we will get back to you as soon as possible.
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#9
i had the same problem

to get rid of it you have to shift down when braking, keep it in 2nd gear as long as you can before coming to a stop (almost stalling)

sounds stupid but it will go away oddly enough
'02 CD Silver SVT
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'85 Mustang GT
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#10
its the tiny power/grounding cables under the hood. focushacks.com has the 'big 3' wire changes. could also the IAC (like n my car lol)
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#11
(08-12-2012, 01:34 PM)konafocuswrc Wrote: and also make sure your serpentine belt is not slipping.

I've never thought of the belt at all. It could be time for a replacement.

I had the 'big 3' power done for about 4 years now with 4 gauge cable, did it the same time I did my stereo.

Could it be an issue with a remote start or ignition system?
'03 Focus SVT
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