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post #1 of 13 (permalink) Old 05-21-2009, 01:02 PM Thread Starter
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battery light

Sorry for short details, I am at work, I was just texted by my daughter. She says the "battery light" is on on her 2007 Cobalt LT, 4cyl. Last weekend I installed an amp for her - would this light simply be an indicator that the battery has been disconnected ? Everything runs fine otherwise, it seems.

It's a check engine light

Last edited by JeffBowser; 05-21-2009 at 04:53 PM. Reason: correction
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post #2 of 13 (permalink) Old 05-21-2009, 01:35 PM
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Check the remote wire hookup & make sure the amp isn't on when the car is off. Could be a weak battery too.
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post #3 of 13 (permalink) Old 05-21-2009, 01:40 PM Thread Starter
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It's obvious the amp is off when the car is off, it has some very gaudy blue LED razzle-dazzle crap that apparently girls like. Battery could be weak, they don't last long down here in FL.
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post #4 of 13 (permalink) Old 05-21-2009, 01:59 PM
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Sounds like it to me. Go optima red top. Cost more but last longer. I had one for 5 1/2 years
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post #5 of 13 (permalink) Old 05-21-2009, 02:04 PM Thread Starter
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There are lower cost alternatives to Optimas that achieve the same service life. I also have a spare bluetop hanging around I could use. Has the really handy accessory posts, too. I just need to be sure that's the issue. Car was fine up until this afternoon.
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post #6 of 13 (permalink) Old 05-21-2009, 04:27 PM
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You sure its the battery light? Could be the check engine light

2007 Black LT coupe
35% Tint all around - Completly debadged - Side Moldings Removed
KICKER ZX 650 RMS interior amp - KICKER ZX1000 RMS Sub Amp
1 KICKER 12" L7 - All new pioneer interiors - Pioneer Avic Z2 W/ GPS
Rockford 1 Farad capcitor - Trunk, Doors, and Rear deck Dynamated - PS2 with guitar hero
Blue footwell neons - Two Alpine type S Tweeters

Engine mods:
K&N air filter
^^^RIP^^^
2006 TBSS!
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post #7 of 13 (permalink) Old 05-21-2009, 04:52 PM Thread Starter
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Well, now that I am home, I can see it is a steady on check engine light. Any suggestions beyond taking it to the $tealer$hip ?
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post #8 of 13 (permalink) Old 05-21-2009, 07:41 PM
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could be anything, a popular thing in these cars is a temp gauge is messed up, i got it in my car. The coolant will say like 190 on the dic screen, and all of a sudden drop to like 160. Obviously coolant cant cooldown that fast, the gauge is messed up. That seems to be popular in not only these cars, but alot of cars. I would say take your car to a mechanic shop or like autozne and have them pull the code. Then take it to the dealership to get it fixed, if its under warranty. If not have the mechanic fix it for less.

2007 Black LT coupe
35% Tint all around - Completly debadged - Side Moldings Removed
KICKER ZX 650 RMS interior amp - KICKER ZX1000 RMS Sub Amp
1 KICKER 12" L7 - All new pioneer interiors - Pioneer Avic Z2 W/ GPS
Rockford 1 Farad capcitor - Trunk, Doors, and Rear deck Dynamated - PS2 with guitar hero
Blue footwell neons - Two Alpine type S Tweeters

Engine mods:
K&N air filter
^^^RIP^^^
2006 TBSS!
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post #9 of 13 (permalink) Old 05-22-2009, 05:22 AM Thread Starter
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Thanks for the input
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post #10 of 13 (permalink) Old 05-22-2009, 06:11 AM


 
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Garage
battery light = alternator
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