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Lostone01 07-02-2013 06:01 PM

94 Grand Cherokee Limited won't start/alarm goes off
Hi all. I have an issue with my 1994 Grand Cherokee Limited. I recently had oil change, tune-up and alignment done to my Jeep and now am having issues with it starting and the alarm going off. I don't think the recent work has anything to do with it but am trying to give all info. I went out today and it would not start, so I replaced the battery with a new on. Same problem. It acts like the battery is dead, won't start, won't turn over and the alarm goes off. The headlights/flashers were flashing and now just the flashers. They do go off when I lock/unlock the door (I do not have a key fob...was never given one when I bought this a year ago). Any ideas what is going on with this? Thanks

Frango100 07-02-2013 06:12 PM

Re: 94 Grand Cherokee Limited won't start/alarm goes off
Welcome to the garage.
Maybe ignition switch problem?

Lostone01 07-02-2013 06:47 PM

Re: 94 Grand Cherokee Limited won't start/alarm goes off
Anything I do is setting off the alarm...I disconnected the battery and re-connect it, the alarm went off...I turned on headlights (which are not coming on now) and the alarm went off....when I turn the key just to accessory, the alarm goes off...I do still have door buzzer and under hood lights everything else is acting like a dead battery

Frango100 07-02-2013 07:40 PM

Re: 94 Grand Cherokee Limited won't start/alarm goes off
Check the battery cables and the ground connections for corrosion.

crewstopher 07-03-2013 01:20 PM

Re: 94 Grand Cherokee Limited won't start/alarm goes off
Who did your "tuneup"? Did you do it yourself, or take it to a "local garage"? What kind of key are you using, does it have the encoder inside?

With out knowing anything else, I would check that the battery is connected to the alternator, and check that the alternator is good. I would do a total reset, disconnect the battery, pull the IOD fuses in the engine compartment, turn the inginition "on" and drain the IOD capacitors, and turn "off". Then reconnect everything, turn the ignition back "on" the entire system should resest itself.

But honestly, your issue sounds like the Jeep is not recognizing the key, and the vehicle thinks you are trying to steal it. I am suprised the seller did not provide a coded key. There is a small ESD chip inbedded into the coded key, to tell the vehicle that it is the correct key. You may have to go to the "stealer" to purchase a coded key. Or you can purchase the key online, and have the them program it to your vehicle.

I had a problem with a door pin grounding out randomly on my old ZJ, the alarm would blast in the middle of the night. To turn off the alarm with a coded key, open the passenger door with the coded key. This will deactivate the alarm once triggered. The passenger door is the closest to the computer.

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