Question about 1993 Buick LeSabre

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I have a 1993 buick lesabre. The security light is flashing and will not start. I checked the fuse it was ok. I tried our other key and still wouldn't start.

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There may be a broken wire from the ignition swith going down the steering column,theres two sensors at the begining opening of switch, sometimes they get stuck and dont pop back out, in turn it doesnt touch the chip on the key and cant read it,take a look with a light use a small pic and push lightly on them and see if the y push in and pop out, if they do then replace ignition swith,theres a way to bypass,use an omh meter and measure resistance of key chip, then buy a resistor with the same value,and connenet to wires from switch under the dash,cut wires and put conecting the two going to switch with resistor connecting them together,heres a diagram,I have a 1993 buick lesabre. The security light is - 193b32f.jpg

Posted on May 06, 2010

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Leave key in ingnition for about three minutes till lite goes off then start

Posted on May 25, 2010

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SOURCE: 1993 buick lesabre won't start. security light is

The coded key probably needs to relearn. Turn ignition to crank and release. Let sit in on position (engine off of coarse) for a full 10 min. turn off for 30 sec. and repeat 3 times engine should start. This procedure should take 30 min. so a booster is needed to maintain a full 12 volts. Do not attempt w/out a charger connected;

Posted on Mar 30, 2010

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1 Answer

The security light on car wont start


You should try a different key if available. If no other key is available, you can try cleaning the chip embedded in the key



2_1_2013_2_08_46_am.jpg

with a pencil eraser or give both the key and ingition a couple of short blasts of electrical contact cleaner.

2_1_2013_2_02_47_am.jpg
Good luck!

Feb 01, 2013 | 1993 Buick LeSabre

1 Answer

The security light on my 1993 Buick Lesabre is flashing and the engine won't sart. It was running yesterday


try the spare key ,if that works check the other key in case chip has fallen out

Aug 17, 2010 | 1993 Buick LeSabre

1 Answer

Just wouldnt start one day and the security light


The TDM in the security system (VATS/PassKey) is having problems, it's typical on those cars. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Jul 07, 2010 | 1993 Buick LeSabre

2 Answers

1993 buick lesabre won't start. security light is


The coded key probably needs to relearn. Turn ignition to crank and release. Let sit in on position (engine off of coarse) for a full 10 min. turn off for 30 sec. and repeat 3 times engine should start. This procedure should take 30 min. so a booster is needed to maintain a full 12 volts. Do not attempt w/out a charger connected;

Mar 30, 2010 | 1993 Buick LeSabre

1 Answer

99 buick lesabre, battery ok, turn key to start, nothing


The security system (VATS/PassKey) is faulty. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Oct 16, 2009 | 1999 Buick LeSabre

2 Answers

Won't turn over , security light comes on when trying to start,


try puting te ignition key in the drivers door lock an unloack it 3 or 4 times then try agin if it dosnt work, key needs reprormming

Mar 18, 2009 | 1993 Buick LeSabre

1 Answer

99' lesabre starting problem


Not sure if this has be suggested and probably by me... check your starter relay... often found in the engine compartment fuse panel near the battery... it has a cover over it.

Robert

Sep 25, 2008 | 1999 Buick LeSabre

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