security light stays on - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-20-2011, 04:12 PM   #11
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ok I'm going to bypass the vat but here'* my question. The manual said he used 1/2 watt resistors to equal the value of the key. My key vat # is 15 which equals to 11.801. I'm went to radio shack and i can only find 1/2 watt resistors for 10k and 1k...so my question is can I use another 1k ohm or a 680 ohm resistor instead
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Old 09-20-2011, 04:45 PM   #12
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this is the range chart
nom/ low/ high
1 402 386 438
2 523 502 564
3 681 654 728
4 887 852 942
5 1130 1085 1195
6 1470 1411 1549
7 1870 1795 1965
8 2370 2275 2485
9 3010 2890 3150
10 3740 3590 3910
11 4750 4560 4960
12 6040 5798 6302
13 7500 7200 7820
14 9530 9149 9931
15 11800 11328 12292

so 10 and 2 1k'* in series(hooked end to end) is in the range if they dont have a 12k
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Old 09-20-2011, 08:20 PM   #13
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thanks alot man. i don't see a 12k but i do see a 10k and a 2.2k which should put me right in range on the high side correct?
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Old 09-21-2011, 08:11 AM   #14
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unfortunately resistors have a range typically 5% so if the 2.2 you buy is at the top of the acceptable range your out of the range for the car. so a 10 and 2 1k'* would be better. if you have a meter i would take a measurement when your done to be sure.
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Old 09-21-2011, 12:12 PM   #15
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ok so I found a 10k,1.5k,and a 330 ohm that should be much better
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Old 09-29-2011, 01:34 PM   #16
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ok i bypass the VATS and the security light is still on.....also my tail lights won't come on...my headlights,brake lights, and turn signal are working fine. I checked the bulbs and fuses they're ok as well
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Old 09-29-2011, 02:31 PM   #17
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the theft deterrent module its self may be bad. is the tail lights a new thing?

did you ever check your battery connections and grounds?
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Old 09-29-2011, 02:42 PM   #18
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Yes taillights are new.I just found out last night. I'm checking the battery connections now and i'm not sure what ground to check.The clips from both taillights are grounded and i checked the connection underneath the plastic part in the trunk and it'* connected and grounded as well.
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Old 09-29-2011, 03:00 PM   #19
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do you have auto lights? if not i would take the switch apart and make sure you have the running light/tail output when you turn it on

i think your vats issue is separate, this is a good site to figure out what going on
http://www.thirdgen.org/vats_passkey_system
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Old 09-29-2011, 04:39 PM   #20
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no i don't have auto lights
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