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

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Old Jan 19, 2010 | 10:52 AM
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Did 1986 come with some type of alarm?? My boy opened the pass door an the horn started going off. Had to unplug horns. Dont know what i did to set it,or how it works.
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Old Jan 19, 2010 | 10:58 AM
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Yep, it came with a factory alarm. Try hooking the horns backup and use your key to unlock/lock the doors. Make sure the key lock is completely vertical when you remove the key.
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Old Jan 19, 2010 | 11:28 AM
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Originally Posted by rick lambert
Yep, it came with a factory alarm. Try hooking the horns backup and use your key to unlock/lock the doors. Make sure the key lock is completely vertical when you remove the key.
Do a search on VATS if you want to learn more. It can leave you stranded with no power to the Ingnition. There are bypass circuits availiable or simple DIY bypass's. I have that in my 1986.
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Old Jan 19, 2010 | 12:16 PM
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Originally Posted by rharker
Do a search on VATS if you want to learn more. It can leave you stranded with no power to the Ingnition. There are bypass circuits availiable or simple DIY bypass's. I have that in my 1986.
My understanding is that the VATS and the alarm are separate systems. I'd keep the VATS bypass available as an emergency or troubleshooting procedure. Based on the forum responses the VATS has kept more than a few Vettes with their original owners.

Steve
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Old Jan 19, 2010 | 12:34 PM
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Thanks for the alarm info. I personaly like the vats system. Its a good system once you get to know how to repair it.
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Old Jan 19, 2010 | 03:13 PM
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The in and outs of VATS and Forced Entry Alarm, from my 86 FSM.
http://members.shaw.ca/dankai/Vats%20Electrical.pdf
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Old Jan 19, 2010 | 04:39 PM
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Thanks agent 86. Thats every thing in a nut shell. Now I relize how I set that first time.
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