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Sedans Jaguar XJ-Series Jaguar XJ-Series Electrical Glitches
71 messages, Last post on Nov 29, 2009 at 6:10 PM
You are in the Jaguar XJ-Series Forum. Your Hosts are pat & karens
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Replying to: adoug (Oct 18, 2007 1:34 pm) Go ahead - great car. The later 2003 onwards is even better, but watch out for paintwork bubbling on early (2003) ones. |
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I have this strange thing happening... If I have to brake quickly to a full stop, the battery gauge drops and occasionally drops low enough to make the car die. From then on for the rest of the time I'm in the car when ever I come to a stop or slow way down for a turn the idle drops or the car dies or it turns into the limp home mode... my car is a 97 xj6 with 150,000. miles... any clues. My mechanic who is a german car specialist (who loves me and takes really good care of me, and I trust) is stumped... the voltage on the battery checks out fine.  I am going on a road trip in Oct. and don't want problems... any clues?
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Replying to: realliferambo (Mar 20, 2009 9:14 pm) Just registered after reading all of the posts on this topic. I have experienced most of them already on my '99 XJ8, including the headlights going out at night, and most recently the driver window not rolling down and also the sunroof closing on it's own after opening it. OK, I did have to get a locksmith to tear into the driver's door panel recently to read the key code to make a temp to open my trunk with the key left in it while at the fishing pier changing clothes. Oops! The window problem eventually corrected itself after about 3 weeks of driving with it shut surprisingly. Now I have a major problem after returning from a NC mountain river tubing excursion this past 4th. of July weekend. The car did great all the way there and back from Raleigh, and then the throttle stuck as I got in town and I had to hit the brakes real hard to get it to stop before plowing into another car at the first traffic light. Ugh! The car stalled and hasn't run since then. My now disappeared mechanic had told me a year earlier the throttle controls looked like trouble down the road and he was right. Good man, but can't find him now to deal with this situation. After walking to work for the past 2 wks. only a mile or so away, I decided to purchase a backup '97 XJR with low mileage which I will finalize on Monday. Sweet! No problems with it that I don't know about yet, but stay tuned to this channel for updates. OK, so now I was also previously wondering if disconnecting the battery cable would possibly reboot the entire computer system's monitors in case they got freaked out by the sudden stop I had to make on my '99 XJ8. I saw the fail safe mode light flash on just before it stalled in any case. It knew it was in some sort of predicament, but maybe over reacted. Any ideas or clues around here while I continue to search for a new mech to work on it? Cheers, Jagzilla |
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Replying to: scottthorn (Oct 26, 2008 8:03 pm) Thanks, Goodkitty
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Replying to: goodkitty (Aug 06, 2009 7:51 am) I am not sure I ended up replacing the whole wiring harness on the drivers side. This solved a lot of problems, very expensive but now it all works. not sure if that helps or not. If you want a harness try car-part.com they are a salvage yard type thing and you can put in what you are looking for. With the jags one bad wire and the whole car is NFG, Good luck Brian |
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I have a 1996 XJ6, 4.0 116k miles. I tried starting it and heard a click but nothing happened at the switch. Checked the battery and found it to be low at 9.3V so I added another battery but every thing acted like it was in a low voltage mode at the panel. Installed a new battery but still no response. Guages etc. now bright but no dome, trunk or head lights. I do have little lights on at the bottom of the head lights. I then shorted the starter and car started but I couldn't take it out of park. I removed the lock pin and put in nuetral to see if it would start but nothing. Checked every fuse this car has which are everywhere and they were all good. I do hear some relays clicking in the battery compartment when someone turns the switch. A real nightmare to say the least. I don't think it's the shifter module perhaps it's the computer I don't know. I bought the Jaguar parts and service manual off Ebay but it dosen't offer good trouble shooting help or identify and follow the serries of relays and modules as to what they do or how to test them. CAN ANYONE OFFER SOME HELP? Thanks, Goodkitty |
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Replying to: Mr_Shiftright (Nov 05, 2006 1:28 pm)
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Replying to: jaguar13126 (Aug 09, 2009 6:13 pm) Have you check the brake light switch itself for loose wires, etc? I'm not sure if yours is brake pedal activated or master cylinder activated (mechanical switch or hydraulic pressure switch).
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Replying to: Mr_Shiftright (Aug 09, 2009 8:15 pm)
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Replying to: jaguar13126 (Aug 10, 2009 6:42 pm) |
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