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

flashing "sys"

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Old Mar 16, 2012 | 12:06 AM
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Default flashing "sys"

I had an aftermarket stereo installed and now "sys" is flashing on my gauges. I've been told that some resistors need to be installed but I've been to 2 different car audio places, and neither know what I'm talking about. Can someone please tell me what I need to ask for?
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Old Mar 16, 2012 | 12:14 AM
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Originally Posted by diana w
Can someone please tell me what I need to ask for?
http://www.corvetteforum.net/c4/dave8476/index4.shtml
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Old Mar 16, 2012 | 12:38 AM
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Thank you so much! Do you think it has anything to do with a couple of things that don't show up on my gauge now, like the F symbol for full on fuel gauge and on the speedometer the left side of the number is not showing. For instance 18 looks like 13?
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Old Mar 16, 2012 | 12:57 AM
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Originally Posted by diana w
Do you think it has anything to do with a couple of things that don't show up on my gauge now,
If you pull the error codes you will get a better idea of what is going on

http://tech.corvettecentral.com/2011...trouble-codes/

Last edited by rodj; Mar 16, 2012 at 02:30 AM.
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Old Mar 16, 2012 | 01:07 AM
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Once again, I thank you so much!
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Old Mar 16, 2012 | 10:07 AM
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Also check your battery connections are clean and tight.

I had a loose connection cause the SYS to appear. Others also have said a weak battery will cause it - during the radio install I bet things like doors stayed open for a long time with interior lights on, could have run the battery down a bit.
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