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Jeep Grand Cherokee Gauges and Lights

191 messages,  Last post on Nov 23, 2009 at 11:12 AM

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

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#122 of 191 2002 Jeep Grand Cherokee 4.0 4x4 electrical problems by ddt64 Jan 13, 2008 (2:12 pm)
When I turn the key sometimes the oil pressure gauge goes all the way to the right, the check engine light goes on and says its my transmission. Replaced electrical parts in the transmission. Did not fix problem. Checked alternator with check engine light on putting out low volts. Check engine light went out and by the time I got it to the shop, alternator was worker perfectly.   Sometimes ignition key won't turn to start car have to mess with it a lot to get it through the tumblers radio crackles and cuts on and off when it idles whether check engine light is on or off. can't get a straight answer from any mechanic and would like to know if the voltage regulator inside the alternator can work when the check engine light is off and then not work when the check engine light is on.   Is the voltage regulator controlled by the computer or is it independent of the computer?
#123 of 191 jeep gc electrical 2002 by ddt64 Jan 13, 2008 (2:37 pm)
check engine light goes on and off, when on computer says its the transmission,the radio also cuts on and off sometimes the gauges go crazy the car has also shut off at low speeds when parking. key sometimes wont turn also the alternator voltage and amps are low when check engine is on when the light is off the alternator works fine ,when i take long trips the light usually stays off, around town and in the morning the light comes on, then when i get to work 32 miles ,then i stop the car and start it the light goes off. paid 400$ for the transmission electrical parts, did not fix cant get a answer from dealer or shop please help Replies to this message: tuggajb (Feb 05, 2008 9:05 am) tuggajb (Mar 11, 2008 6:32 pm)
#124 of 191 Re: 97 Jeep Grand Cherokee problem getting tail lights to work [phillf] by dylanhammond Feb 04, 2008 (2:00 pm)
Replying to: phillf (Nov 26, 2007 7:03 pm) Did you ever figure out the problem? I have same exact problem and I can't figure it out. If you figured it out please let me know.
#125 of 191 Re: jeep gc electrical 2002 [ddt64] by tuggajb Feb 05, 2008 (9:05 am)
Replying to: ddt64 (Jan 13, 2008 2:37 pm) have you checked the battery ? would change that first to see if have shorting prob internaly on the batt
#126 of 191 1993 Grand Cherokee Electrical by krtitus124 Feb 19, 2008 (3:50 pm)
Dead battery..low lights. No gauges. I am assuming a bad alternator. Before dying the gauge did not show the battery voltage...help.
#127 of 191 2002 grand cherokee headlights/check engine light. by bbtl10825 Feb 23, 2008 (6:52 am)
I've got a 2002 grand cherokee, it have 2 problems and they seem not to related. First is the head light problem with the head lights turned on they will most of the time cut off when i turn on the turn signal, and a few times when using the wipers. The local dealer wants $40 per hour to trouble shoot. the second is the check engine light comes on but not all the time, and the tries to stall out, this happens the most when sitting a stop light. plz send response
#128 of 191 LED Instrument panel lights by officemax15 Feb 23, 2008 (8:48 am)
For the 2004 Grand Cherokee Laredo, where can I find blue LED instrumental panel lighting? When you turn the truck on the dashboard and everything lights up green and I want to change it to the color blue, so how would I go about finding a kit to do something like that?
#129 of 191 2000 Jeep Grand Cherokee Oil pressure/check gauge/air bag/brake lights by alibars Feb 28, 2008 (6:28 am)
I own a 2000 Jeep Grand Cherokee with 160K miles on it. Never had a problem and then it all happened at once. Oil pressure gauge would drop down to zero at a stop and the check gauge light came on. The airbag light would stay on. The brake lights didn't work all the time. I had a couple different shops wanting to charge me a fortune to diagnose and all different things they wanted to replace before even looking at it~ranging from alternators to a new engine. I hooked up with a very honest mechanic Meritage Auto Repair in Auburn, CA who got me fixed up in no time.   1. The oil pressure going to zero and the check gauge light: The oil pressure switch was sending faulty signals and needed to be replaced. That problem solved.   2. The airbag light: The connection had come loose so he reconnected it. That problem solved.   3. The brake lights not working: After changing bulbs and it still not working, a friend who is a mechanic looked at it and noticed the prongs on the connector wasn't lining up. He straightened them out and now they work. Another problem solved.   I was blessed to find honest people to fix our Jeep and it didn't even cost $200. If you have any of the above problems, check out the things that were fixed on ours to see if it will help you. I see a lot of people replacing oil pumps simply because the auto shop thinks it might work. After checking that all your fluid levels are where they should be, try the switch ($40-$50 part) and connections first.   God Bless your day!

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