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garyww 01-28-2007, 10:06 AM I replaced the stereo and all the speaker in my 1991 C4 coup. After doing so, I noticed the SYS signal (where the fuel usage indicator is) flashing 3 times every 20 to 30 seconds. It doesn't seem to hurt anything, but it bugs me. The same thing happened when I replaced the stereo in my 1990 coup. Can someone help me understand? SpikEMT 01-29-2007, 12:58 AM You may be able to take it to your local parts store....Auto Zone,NAPA,Etc.... and they may be able to hook it up to a hand held computer diagnostics reader and determine your problem. It may be that your computer needs to be reset. m.martince 02-27-2007, 07:04 PM Did you use a quick connect harness kit, or did you splice into the wiring for your radio? Use the wiring kit, you can't go wrong. Also try disconnecting the battery for about15mins. This will reset your computer and may resolve your problem. old-guy-and-vette 02-28-2007, 07:44 PM I replaced the stereo and all the speaker in my 1991 C4 coup. After doing so, I noticed the SYS signal (where the fuel usage indicator is) flashing 3 times every 20 to 30 seconds. It doesn't seem to hurt anything, but it bugs me. The same thing happened when I replaced the stereo in my 1990 coup. Can someone help me understand? Not a electronic man... however I can that would bug me as well! :eek: | |