LT1-LT4 Modifications 1993-97 Gen II Small Block V8

security light flash Help

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Old 09-03-2010, 06:53 PM
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Default security light flash Help

Ok I misplaced my set of keys while rebuilding my motor and was using my wife's keys... Well I found the keys and the car starts and runs but the security light is flashing. I thought I would try my wife's keys and now the same thing. Any ideas it seems to be running ok but I am going to get the car tuned tomorrow and don't want any issues.

94 Camaro Z28
list of mods
96 383 stroker motor
4 bolt splay
Lunati crank
Oliver I beam rods
je inverted dish pistons
comp cam 290 hr-12
comp cam promag roller rockers 1.6
AFR 210 heads
2500 stall
BBK 58mm throttle body
stock intake port matched
pacesetter long tube headers
off road Y-pipe
flow masters

Last edited by BigD383lt1; 09-03-2010 at 07:21 PM.
Old 09-03-2010, 10:10 PM
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I dont understand what your saying.

Security light can go on if its wrong key resister value on the chip. it can also go on if the ignition cylinder orange/white wire is broke or open. But if the security light flashes your car should not start unless it has been bypassed.
Old 09-03-2010, 10:55 PM
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its probably your flowmaster mufflers. i have flowmaster and my security light is always on
Old 09-03-2010, 11:08 PM
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Originally Posted by trilkb
its probably your flowmaster mufflers. i have flowmaster and my security light is always on
I have had the flowmasters since 2001. I changed out the factory radio in about 99... just to rule that out. Car start's fine and I have not done any work to it recently to cause this to come on. The only thing new to the equation is the key and I have always used it before I just misplaced it since I pulled the motor. Now it flashes regardless of which key is used.
Old 09-03-2010, 11:12 PM
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i was just pulling your chain with the flowmaster comment

i just thought it was funny youre having security light issues and you listed off your mods.

Maybe whatever is in the ignition cylinder that reads the chip is going out?
Old 09-03-2010, 11:21 PM
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Originally Posted by trilkb
i was just pulling your chain with the flowmaster comment

i just thought it was funny youre having security light issues and you listed off your mods.

Maybe whatever is in the ignition cylinder that reads the chip is going out?
I listed my mods because I am new to this site and haven't posted anything in my profile as far as car or mods. But thanks because I really thought you were a **** nut for thinking that. Now I do think it is pretty funny looking back.
Old 09-03-2010, 11:55 PM
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You using the original key and it still flashes security light?

Make sure the key your using has the same resister value as the original key. Use this website for reference on resister value.

http://shbox.com/1/4th_gen_tech2.html#pass_key
Old 09-04-2010, 06:30 AM
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both sets I have one is original and the second set I had made at the dealership about 13 years ago... Never any problems before last week.
Old 09-05-2010, 11:57 AM
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got the car tuned and the tuner guy shut the security off and the light still flashes... lol
motor makes 315 at the wheel
Old 09-09-2010, 01:29 AM
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Take the bulb out
Old 09-09-2010, 01:50 AM
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315 at the wheels is very low for your mods. I would look at the tune again.
Old 09-10-2010, 11:19 PM
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I agree but I am running low compression(9.1-1) I still expected to get into upper 300's. The motor is designed to run boost but I can't afford to go there now. Later maybe but I am still running stock rear and transmission. Plus there is a lot of little things I need to get in line first.
Old 09-11-2010, 08:23 AM
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how much torque did it make?

what kind of dyno?
Old 09-11-2010, 03:34 PM
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Originally Posted by trilkb
how much torque did it make?

what kind of dyno?
315 hp - 320 torque



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