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Posted on Jun 21, 2017
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Jeep Wrangler 1999 - IMMOBILIZER PROBLEM

I have the same problem. I have worked out that it is the cars immobilizer {it usually happens when its hot-external temp}. Haven't solved the problem yet but would appreciate any feedback. I have put the immobizer in heat proof material and has solved problem - 85%. An electricial has told me that something is effected by the heat on the immobilzer console but hasn't managed to mend.

Can i by-pass the immobilizer?

Peter

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  • Anonymous May 11, 2010

    The first person to offer an immobilizer bypass harness for sale will be rich by next year!!!

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5 Related Answers

Anonymous

  • 475 Answers
  • Posted on Oct 07, 2008

SOURCE: 1999 Jeep wrangler runs rough

Check the gas, could be water in it or drive the car with a fuel pressure tester connected to it and watch to see if you lose pressure.
Normal pressure while driving is about 30 to 40 psi

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Anonymous

  • 2 Answers
  • Posted on Dec 31, 2008

SOURCE: my immobilizer will not disarm

when you say "the immobilizer will not go off" that mean you can still drive the car or not,when the immobilizer goes on you can start the car but will not run, so what do you need a spear key for .you may need the valet key, is a gray key .
I am professional car alarm and remote start installer so I deal with this kind of problems if you have any question email me
[email protected]

Anonymous

  • 239 Answers
  • Posted on Jan 28, 2009

SOURCE: interference to RKE, immobilizer activates, cannot disarm immobil

Car Alarms: 1998 Grand Cherokee RKE, rke system, jeep dealership
Good luck let me know !!

Anonymous

  • 1 Answer
  • Posted on Mar 02, 2009

SOURCE: 1999 jeep wrangler very little heat

YOUR RADIATOR HAS TRAPPED AIR IN IT AND NEEDS T BE "BURPED".

Anonymous

  • 3006 Answers
  • Posted on Feb 13, 2010

SOURCE: i have a 1999 Jeep Wrangler and the heater fan

If you bypass the resistor pack and connect the motor directly to the fused 12v supply then the fan should run at maximum speed. If so, it's the resistor pack that's blown: a very common fault on a huge number of makes and models.

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Immobilizer Remote Controll
you lost the back up RKE fobs? Remote key entry?

the operators guide covers this.
as does the FSM
and all remote RKE fob sellers on the web.

you can read the FSM.
read customer learn page, here.
i chapter
ehicleTheftSecuritySystems


http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service


you lost the back up RKE fob?
I just got my 08 and day one i made a 3rd and 4th key.
transponder.

your jeep and my JK jeep takes 2 keys good for me to make a 3rd work.
direct link
http://www.jeep4x4center.com/jeep-service-manuals/Jeep_Wrangler_TJ/1998/VehicleTheftSecuritySystems.swf#pagemode=bookmarks&toolbar=1

the rules are clear and zero slack,
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    tdisline_776.jpg
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