C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

SYS flashes on cluster when I first start the car..

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Old Apr 17, 2004 | 12:08 AM
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Default SYS flashes on cluster when I first start the car..

It flashes 3 times, then goes right to my water temp reading(it's what I keep as active).. Does it mean anything??

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Old Apr 17, 2004 | 12:46 AM
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Default Re: SYS flashes on cluster when I first start the car.. (JB666)

battery...when was the last time you replaced it?


[Modified by fryguy84, 11:46 PM 4/16/2004]
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Old Apr 17, 2004 | 09:59 AM
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Default Re: SYS flashes on cluster when I first start the car.. (fryguy84)

battery...when was the last time you replaced it?


[Modified by fryguy84, 11:46 PM 4/16/2004]
Ugh - NEVER, but it's another thing I can thank the guys at the stereo shop for , they completely killed it, and since then that's been flashing...... :banghead:
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Old Apr 17, 2004 | 10:17 AM
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Default Re: SYS flashes on cluster when I first start the car.. (JB666)

I had the same problem--changed the battery and no more flashing SYS.. :thumbs:
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Old Apr 17, 2004 | 10:31 AM
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Default Re: SYS flashes on cluster when I first start the car.. (JB666)

Does it ever flash while you're driving it? If it does it's very possible that the aftermarket stereo caused it. There is a lighting circuit that goes through the BOSE garbage, if it doesn't see the proper resistance it can cause said light, however it does it while you are driving, not just when you start it up.
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Old Apr 17, 2004 | 10:33 AM
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Default Re: SYS flashes on cluster when I first start the car.. (Nathan Plemons)

Does it ever flash while you're driving it? If it does it's very possible that the aftermarket stereo caused it. There is a lighting circuit that goes through the BOSE garbage, if it doesn't see the proper resistance it can cause said light, however it does it while you are driving, not just when you start it up.
That's the weird thing, it doesn't. 3X at start-up, never again, but it WAS right after my stereo was put in... The car is going back to the stereo shop on Tuesday, so I'm thinking I'll ask them about it.. The car is still starting strong, and holding a charge, so is this light fore-warning me that I'm on my last legs and best change the battery out??
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Old Apr 17, 2004 | 03:29 PM
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Default Re: SYS flashes on cluster when I first start the car.. (JB666)

Yup... means voltage is below full charge &/or required amps after start up are very high. As a side note you can't always trust the SYS lite to warn you. Mine didn't and i just replaced my 84 month batter on Wed. Got 91 months out of it so I couldn't really complain... At least I was in town & had access to tools & a ride to the parts store. :smash:
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Old Apr 17, 2004 | 08:17 PM
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Default Re: SYS flashes on cluster when I first start the car.. (Trog)

Ok, I was wrong - After being a bit more observant, I noticed it's flashing randomly the entire time I'm driving. My VOLTS gage is reading 14.7V.

Did they do something wrong when hooking the system up??
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