Question about 1993 Pontiac Bonneville

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93 bonneville security light flashing

Have tried disc. battery,key turn in drivers door,turning ignition on for ten mins plus,but light still flashes.I bought car this way.old owner claims
car quit at store,had it hauled home,got it to start but it quit after a couple mins.Pulled fuses under hood then security light started flashing and car would not crank afterwords.

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  • ihugh66 Feb 10, 2009

    Fixed problem myself. Tested resistance of chip in key,went to Radioshack and bought 5 resistors for 99cents/ soldering gun $7, cut wires on steering column (2 yellow wires)soldered resister to wires coming up from harness.Now car cranks over,security light quit flashing,had to buy new ignition
    module(reason for car quitting in the first place)135 dollars.Car runs like new!!
    $100 for car
    $143 parts
    $20 gas to get it home
    12 pack consumed during repairs



  • weitzel Apr 02, 2009

    i have 1995 bonneville turn key all lights come on but engine does not start security light is blinking

  • Anonymous Mar 16, 2014

    1997 J-30 I can't start it. No lights go on the clock is off the car won't turn over nothing. Security light is not flashing, nothing is on. How can i restart the car?

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Your key reader is not reading the chip in your key you can either replace the ignition switch cost about 250 dollars parts and labor or i can tell you how to bypass it for less than 20 bucks in premium chat hope this helps
thanks wes

Posted on Mar 26, 2009

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I have a 98 and the car wont start the secrity lite just keeps blinkin wat do i do????????????????

Posted on May 08, 2010

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How do I get into the steering column to get to the ignition switch? I want to check it out before I take it somewhere and buy MORE parts that weren't broken in the first place.. can anyone tell me how to get into it?

Posted on Aug 19, 2009

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I have a 93 bonneville and it use to turn off while driving, and now starts up but wont stay running. whats the solution

Posted on Apr 02, 2009

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Not to insult your intelligence but is the shifter all the way in park? You may have an issue with linkage too. Or ignition switch needs replacement, (maxima's are also known for ignition replacement)
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Wow...this could be a BIG problem...unless you have pretty good mechanical abilities. Your BCM (body control module) is faulty. If it's any consolation, you're not alone. There are two schools of thought as a repair and often ends up being a "trial n error" type of repair. One is to match the rating of the small metal chip in your ignition key with a resistor (RadioShack) and splicing the resistor into the ORANGE wires leading from the ignition to the BCM. The other is to replace the BCM with a junkyard piece and IMPORTANTLY make sure you get the ignition key that goes with it.
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Flashing security light in dash


pontiacs have a security key do you have another key you can try to make sure this is not the problem ?

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1 Answer

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Chances are the wire going to ignition broke allowing the security to start flashing.this will keep the
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