Question about 2005 Jeep Grand Cherokee

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Is there a relay on the transfer case actuator , and where is it located. on a 2006 Grand Cherokee.

I replaced the transfer actuator with a new one , the service four wheel system still shows after a diagnostic reset was done , is it possible that a relay was burnt.

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Posted on Jan 02, 2017

SOURCE: service 4wd switch

I have the same problem the switch is on the transfer case! what your talking about is your vehicale information center. the stupid thing sucks I also replaced it but it only comes on some times now. dont know!

Posted on Sep 12, 2008

  • 50 Answers

SOURCE: Service 4 wheel drive

The service 4 wheel drive light comes on because there's a problem. The biggest causes of this I've seen are a software glitch in the final drive control module which the dealer can fix by reprogramming and the other is usually the electric actuator on the front axle housing. The only light that comes on by a timer is the one that says, "perform service" in your overhead console or odometer.

Posted on Apr 15, 2009

  • 5 Answers

SOURCE: 1999 jeep grand cherokee all time four wheel drive will not engage

Sounds like the splines on your transfer case gear are ground down

Posted on Apr 23, 2009

  • 6982 Answers

SOURCE: Quadra Trac II 4 wheel drive problem

Oil is added to transfer case through a plug usually located about half way up the back of the case.
When making a diagnosis, a good tech relies upon previous experience matching that to known symptoms, then upon teardown to verify his ideas. A good working knowledge is essential so the tech can picture in his mind what is happening inside the unit.(i once knew an old tech who could sit in the shop office and make a correct diagnosis as another tech drove a vehicle into the shop) That's rare, but there are good people out there! Your coupler may have to be removed, but that largely depends upon what the shop sees and feels.
Good luck

Posted on Apr 21, 2009

  • 6674 Answers

SOURCE: where is the radiator fan relay switch on a 2002

check under hood in fuse relay box. Map should be underside of cover.

Posted on Aug 27, 2009

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Hi there:This is a common issue on this model vehicle quite a few times is the transfer case electric shift actuator can fail/short and when this happens it shorts out the 4wd computer internally making it to where both the actuator on the transfer case and the 4wd computer need replaced.

First, before to change or replace some parts, you will need to be done from here is to have the fault codes read out of the 4wd computer with a scan tool that can communicate with this computer,once this has been done then it can be diagnosed as to what is at fault and then repaired from there.

Keep in mind that TCCM is a different computer then where you would read fault codes for the transmission,the codes need checked using a scan tool that can read the TCCM. It is located under the center of the dash near the steering column (rigt side I thnik).
Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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