The security, antitheft, or passlock light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterperates this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle.
This link may help you find ways to bypass this or fix it yourself.
http://vatspasslockpasskeysecurityhelp.yolasite.com/
SOURCE: having problems with chevy s10 replaced fuel pump
Check the cable that goes from your battery to the fuse box the relay that is clicking is on. Check for lose bolts or corrosion of the contacts or something like that. If the relay is clicking it sounds to me like it is a voltage issue going to the relay.
SOURCE: 01 s10 security disconnected now no start
I suppose if you are determined on not fixing the problem correctly and you can start the vehicle by jumping the starter relay, you could rig a relay of your own from the column off of the starter signal wire from the ignition wire from the ignition switch to the starter. I personally think you should fix the problem with the security system installed on the vehicle. If price is an issue, buy the part from a junk yard, but remember the security has to be learned as followed.
30 Minute Learn Procedure
SOURCE: Where is the turn signal relay on a chevy s10
On 95-97 and 1998, both the turn signal and hazard flashers are located behind the lower dashboard trim just to the left of the cigarette lighter. You can not get to it without taking apart the trim (stupid design). Or you have to drill a 2" diameter hole in the trim with a velcro cover so you would never have to do it again1999 and later it is under the glove compartment
to disassemble it without drilling
It's behind the panel to the left of the cigarrette lighter. You need a Torx 25 screwdriver and another screwdriver for those hex shaped screws, forgot the size. First unscrew the 2 Torx 25 screws beneath the steering wheel. Then unscrew the rest of those Hex screws on the bottom. The panels overlap, so be prepared for a lot of unscrewing. You do need to unscrew the middle black panel on the bottom, right beneath the cig lighter. It's held by two Hex shaped screws, one on each side and are hard to unscrew. Also you need to remove your spare change sliding tray to unscrew the last hex looking screw. Once you pop your panel off, the turn signal flasher is the right one. The Hazard flasher is the left one. You can find a replacement part at Autozone, and DON'T get the $184 Flasher switch, all you need is the signal flasher. It's shaped like a cylinder with TWO prongs on it.
SOURCE: 2001 chevy lumina won't start, no crank. security
You have a chip on your key,Your ignition has wire that goes bad,You have to get a new ignition and key that has a new chip.
SOURCE: 1987 chevy s10 fuel pump
The fuse feeds the relay, if the relay is clicking it has power, try replacing the relay before you do anythuing else. [ check the numbers on the relays in the box there may be another what's the same.
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