Question about 2001 Pontiac Sunfire

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Sunfire alarm sounding for no reason

Alarm started sounding for no reason,afterwords the alarm would not re arm. Also the interior dome light as well as the 2 lights under the rear view mirror wont go off. If I try to arm the alarm it immediately starts sounding. I have tried pushing on the door pin and even putting a piece of cardboard in there to make sure they are closing and the lights will go off and the alarm will arm for a few mins then they will come back on and the alarm will sound.

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  • 239 Answers

Focusing on switches: Start with the door switches. Pull the fuse for the dome lights. Reset the alarm. Does it sound off? The alarm feeds off the dome light fuse. Driver door is first: Often they wear out first and give us grief like this. Unscrew and disconnect the switch first. Replace the fuse. Carefully close the door so you don't loose the wire in the frame(attach a string to it so you can fish it back out if it falls in). Reset the alarm. Does it sound off or not? If it does, it is other than the switch or the passenger door switch (if a 2 door or 2 other passenger switches if a 4 door). Repeat process until the switch is found or all are eliminated. Switches are cheap, so replacing them will not break the bank. Disconnect the fuse again, unscrew the bad switch. Unplug it. Plug in the new. Screw it back in place. Reconnect the fuse and try it again. Repeat as needed until you have either found it or just limited your search area. Most often you will stumble upon it- chaffed wires, look plugs, bad switches). Yes, there is more, but I see this as the usual suspect. If you go back into the alarm, disconnect the alarm first, then observe the dome lights with the fuse in. It just may be a faulty control in the alarm, which is out of my territory. Let us know what you find, but start with the smallest things first. Good Luck!

Posted on Jan 03, 2015

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Posted on Jan 02, 2017

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SOURCE: 2001 pontiac sunfire wont start

I have had the exact same problem. There is an ignition lock that probably went off. There is a fuse box under the hood. The fuse that says ignition on it pull it out and put it back in. This should reset the ignition lock. Its a safety feature because the car thinks that someone was trying to tamper with it.

Posted on Dec 12, 2008

emissionwiz
  • 76135 Answers

SOURCE: 1996 grand am wont start

the battery is dead, it's as simple as that. the battery only needs a tiny bit of power to turn on the interior lights and panel lights, but it does not have enough to dis-engage park lock out electric solenoid.

Posted on Dec 12, 2008

  • 56 Answers

SOURCE: dome light won't go off even when the doors are closed

check your interior light switch on the left side of your steering wheel.

Posted on Feb 17, 2009

  • 54 Answers

SOURCE: 93 bonneville security light flashing

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

  • 398 Answers

SOURCE: my 2001 pontiac sunfire dome lights, and reading

If your fuse is ok . there is a problem with the unit where the bulg goes. if the unit is burnt or has melted it will need to be replaced.

Posted on Aug 22, 2009

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