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Jeep Grand Cherokee Electrical Problems

209 messages,  Last post on Nov 23, 2009 at 5:00 PM

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What is this discussion about? Jeep Grand Cherokee, Electrical, SUV

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#133 of 209 1994 Grand Cherokee, Horn Malfunctioning by thomaz31 May 09, 2009 (6:17 pm)
For a while now the horn is not sounding completely. It started back when it was colder. It wouldn't sound at all when it was freezing. Then, it would as the temperature warmed up. Lately it doesn't work properly at all. Sounds as if it has a cold. No where near enough volume. I can hear clicking under the glove compartment when I blow the horn. (Same clicking back when it was colder weather). But, I can't find any access to relays. The fuses are fine...Would very much like to fix this. Any help will be greatly appreciated. Thanks, Thomas
#134 of 209 2000 Grand Cherokee Laredo, won't start. by printerfixer May 11, 2009 (3:44 pm)
Just turned 200K miles. When I turn the ignition key nada. No clicking from the starter solonoid. My gauges are all lighting up, my electrics seem ok, even though the battery is new I tried to jump it just in case it wasn't getting enough amperage, same. The only recent history is the front end was completely rebuilt last month. Any suggestions are appreciated.
#135 of 209 Re: Diff or bearing [c_farooq] by trek87 May 13, 2009 (8:03 am)
Replying to: c_farooq (May 07, 2009 1:25 pm) there are a number of possibilities. can you provide more information? is the noise tied to vehicle speed, O/D on/off, accelerating/coasting, etc... Replies to this message: c_farooq (May 13, 2009 9:30 am) trek87 (May 13, 2009 10:09 am)
#136 of 209 Re: Diff or bearing [trek87] by c_farooq May 13, 2009 (9:30 am)
Replying to: trek87 (May 13, 2009 8:03 am) Hi The noise sually comes on when travelling over 40mph, when you turn left it stops and right it gets worse. I have tried coasting and still happens. When OD is on or off it still happens. There is a slight vibration on the steering wheel when driving.   thanks Replies to this message: trek87 (May 13, 2009 10:09 am)
#137 of 209 Re: Diff or bearing [c_farooq] by trek87 May 13, 2009 (10:09 am)
Replying to: c_farooq (May 13, 2009 9:30 am) it's weird that you say it is apparent above 40 mph (which is around where the overdrive kicks in), but that you hear the same noise even with it disabled? are you sure you've disabled the overdrive? do you have full-time 4WD?   if you do and the noise is coming from the front-end, this smells like a problem i had for awhile with my '98 GC (mine was also related to my TC) and it turned out my overdrive unit was burned out. it sits between your trans. and the TC, so you may also have some TC symptoms (which might explain why turning left or right makes it louder/quieter).
#138 of 209 Re: 1999 Jeep Grand Cherokee Electrical Problem Multiple [michael0156] by ryelenik May 16, 2009 (1:09 pm)
Replying to: michael0156 (Dec 28, 2008 12:29 pm) I'm having kind of the same problem. When I have the radio working on acc the power goes out to it when I open the door. Also the all in one center that alerts when door ajar or whatever just flashed on and off when driving. The clicking is a relay inside the bottom of the glovebox, but I tested it according to Hayes manual and it's good. Also the radio just flashes along with the cargo interior light when the key is on and the radio is hooked up. Oh yea forgot that the alarm for leaving the keys and lights on dont work either. Any help would be greatly appreciated.
#139 of 209 2003 601 ECU error by tiggerrich May 24, 2009 (9:59 am)
I have a 2003 Jeep Grand Cherokee with a 601 ecu error problem but the car runs great and never has demonstrated a problem. I cannot get new tags because of this. I can reset the error, which works for one re start only and after that error shows back up. I put a "new" ECU unit in and it reacts the same way and does not stay reset. There seems to be no change form one ecu to the other and with both the jeep run great. It seems like a virus that keeps re infecting the ecu....any help?
#140 of 209 Brand New 2009 Grand Cherokee issues by nfazio413 May 27, 2009 (3:14 pm)
Just wanted to know if anyone has had issues with a new vehicle 1 day after driving it off the lot and what the outcome was?   I purchased a new 2009 Grand Cherokee drove it off the lot with 3 miles on the odometer I am currently out of the state from where I purchased the vehicle and I am experiancing electrical issues. Every time you hit the door locks its fuse blows.   Its been at a certified Jeep service center for 2 days and I only had the car to drive for 2 days...   What kind of compensation should I expect or should I request?   The service center still has not been able to diagnose the problem. I just moved to NJ and the vehicle was purchased in VA. So I'm not sure who to contact for complaints and compensation.   Please Help!
#141 of 209 Electrical - Dome light, stereo won't turn off by jjgaitan Jun 08, 2009 (8:24 am)
We have recently purchased a 2001 Jeep Grand Cherokee, V6 4.0 with only 69,000 miles for $3,000. Great deal huh! People selling made a claim that vehicle ran fine...only problem was the lady drove the vehicle too long after the water pump going out and cracked the head. Also window motors needed changing in front 2 doors. Well, head was not cracked! Yay! Fixed the engine easily, changed the window motors and now we get down to the truth - electrical issues . Occassionaly, the dome lights and stereo will not turn off. Sometimes the dome lights stay on after starting the vehicle and stay on the entire ride and then stay on after pulling out the key right along with the stereo system (infinity gold that came stock). This ends up draining the battery of course. Should we look for shorts in the engine, change the PCM, or get rid of the vehicle as fast as possible!
#142 of 209 Re: A VERY ANNOYING ELECTRICAL PROBLEM [jon51] by jjgaitan Jun 08, 2009 (8:27 am)
Replying to: jon51 (Jun 13, 2008 1:08 pm) When our 2005 Ford Excursion did that, it was as simple as the alternator.

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