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#1
06-01-2006, 05:37 PM
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security light
hey guys,
2000 4.8 2WD, AC and nothing else. sometimes my security light comes up while driving. any ideas???? i worked for a guy some time ago, he had a pickup similar to mine, and once the security light came on upon inserting keys to the ignition, you couldnt start the truck for a while, sometimes an hour to three, but after it would start right up like nothing happened. Also my truck has no power locks, power windows, etc.... 
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#2
06-01-2006, 06:22 PM
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Re: security light
maybe linked to your doors being somewhat ajar? (maybe the door jamb switch?)
thats a weird issue. Maybe reset the PCM by unplugging negative battery terminal for 30 minutes - 1 hour? Kind of like a reboot. Good luck
__________________
2001 5.3 LS Stock 6 channel Alpine 3566 Amp Jason Extreme Slam Camper Shell Michellin X-Radials 79K Miles
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#3
06-01-2006, 07:54 PM
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Re: security light
This is a little off the subject but, after disconnecting neg side of battery for half an hour or so, dont you have to let the truck run for a certain amount of time before driving?
Thanks, Joe
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#4
06-01-2006, 09:24 PM
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Re: security light
No you do not have to let the truck idle/run before driving.........
You only loose some short term memory that the PCM uses to set LT/ST trims among a few other items.
__________________
 "The Sleeper"  '05 6.0L VHO Cam in and Low 14's happening at the track  Check out my Ride
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#5
06-02-2006, 12:37 PM
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Re: security light
Check if your radio has Theftlock beforehand. There's a way to deactivate it (if you have the code) so that you can unhook the battery. If not, there's a sticky thread about unlocking.
__________________
 2002 5.3l - Quadrasteer
    lose (lüz): v - to suffer deprivation of : part with especially in an unforeseen or accidental manner loose (lüs): adj - not rigidly fastened or securely attached
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#6
06-02-2006, 04:59 PM
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Re: security light
Quote:
Joe
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#7
06-02-2006, 09:00 PM
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Re: security light
Is your radio locked then? There's a sticky thread on top of the forum with unlock instructions. I've never had to do it, but the posting makes it seem pretty easy.
__________________
2002 5.3l - Quadrasteer
lose (lüz): v - to suffer deprivation of : part with especially in an unforeseen or accidental manner loose (lüs): adj - not rigidly fastened or securely attached
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#9
06-03-2006, 01:49 AM
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Re: security light
Well, that's good! Maybe the newer ones are different - not sure. My '02 specifically mentions it in the owner's manual somewhere. Did the reboot fix the security light problem?
__________________
2002 5.3l - Quadrasteer
lose (lüz): v - to suffer deprivation of : part with especially in an unforeseen or accidental manner loose (lüs): adj - not rigidly fastened or securely attached
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#10
06-03-2006, 01:21 PM
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Re: security light
Purple_haze was the one with the security light problem. I was just wanting to try the "reboot" because I recently installed one of Fram's new cold air intake systems. I thought maybe it was a good time to "reboot". Don't know if it'll change anything.
Later. Joe
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