I willl be driving down the road and all the lights on the instrument panel
will come on and flash on and off ,the speedometer will go to zero and the gas gage will go to E. Any ideas on what is causing this.
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You have an exposer in the wire somewhere touching metal. I would assume in the door where the wires loom into the rubber seal but you will have to trace the short down. Or pay a mechanic $65-$90 hour do it for you.
I have a similar problem - every once in a while all of my dash lights flash on like the car is trying to conk out/stall (I have a 2006 Jeep Grand Cherokee) - the car has no loss of power and runs fine, just all of the dashboard lights and warnings come on like its going to stall. Happens on dry days, wet days, cold days, warm days - at least 3 times a month. trouble is, because its intermittent no one can find the problem.
Your jeep should have full time four wheel drive. To place the transfer case in low range look down to the console towards the rear and you will see a "T" shaped handle. To place it into low range you should stop place the vehicle into park and lift the T handle and in the dash a 4X4 indicator lamp will light up. The traction button on the dash would be used in 4 wheel high mode when you start to experience wheel slippage upon take off from a stopped position. This will give you a little more control. You only need to use the low range for very slow speeds in mud or snow. Otherwise just leave it in high range because it is always using 4 wheel drive. This is a very reliable system which Jeep has refined over the years. Your Grand Cherokee is not designed fro hard core off road use. Hard core off road use will destroy the undercarriage. The Grand Cherokee is more of a luxury soccer mom 4X4 with good road manners, a comfortable ride, and good reliability.
I had the same exact problem and jeep looked at it over a dozen times. Jeep replaced the ignition switch and computer but they could never reproduce the problem, of course. I kept bothering Jeep until they replaced part of the wiring harness between the ignition switch the next conection. Problem solved. I had always said that it was a short in the wiring harness but they are too reliant on the in dash computer to tell them the problem. I hope this helps. P.S. this problem will kill your battery.
I had this problem on my wife's Jeep Cherokee. The only way that I could get it to stop was to take the entire dash apart to get at the back of the instrument panel. Once you get there, there is a plug in on the back of it, I clean that off with rubbing alcohol and clean the plug up as well. I couldn't figure anything else to do so I put it back together and haven't had it happen again for the last 6 months. Just to let you know if your Grand is like her sport, you will get everything off of the dash and think you should be able to get to the instrument panel just to find that there is a clip holding the headlight switch on keeping the panel from coming all the way off. I had to put my head in the floor and my feet in the air to get to it, but I got it off. Good luck!
The whole dash bezel has to come off but are all the dash lights out? if so check the switch for dash lights on a 01 it is built into the turn signal handle I think check it to make sure it's not set to off for dash lights