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Lincoln Town Car Electrical Problems

124 messages,  Last post on Dec 05, 2009 at 8:09 PM

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#91 of 124 It is understood that by euphonium Jul 15, 2009 (3:52 pm)
I have been to three Ford garages this week and nobody has any clue what might be wrong. And I'd really rather do it myself anyway.   3 Ford techs don't have a clue & you want to fix it yourself?   Something besides the ignition switch is " loosey- goosey" so take it to an independent shop for a fix.
#92 of 124 Re: 95 TC Security System CAN YOU DISABLE IT?! [ashtabulaoh] by acdii Jul 16, 2009 (6:59 am)
Replying to: ashtabulaoh (Jul 15, 2009 2:21 pm) I am not sure if the 95 MY had the integrated key/ignition system security. If your ignition key is a plain key, no big plastic end on it, and can be duplicated from an off the shelf blank, then you don't have the integrated system. If that is the case, and you say you can turn the ignition without the key when it isn't in the lock position, you have either one or two problems, or both. First, since you can remove the key without being in the lock position, your cylinder is worn out, start by replacing it. You can do this by yourself, and may even be able to have the replacement cylinder keyed to match the existing keys. If that doesn't correct it, I think it will, but if it doesn't, then the next part involved is the actual ignition switch itself. This is mounted on the steering column, usually on the top and connected via a rod from the back of the ignition cylinder. Its possible the contacts are worn out where the start position is. With a worn cylinder, it is quite possible the rod isn't pushing down far enough to make contact.   If you do have the RFID keys, fixing that will be difficult on your own without the diagnostic equipment, and disabling it will be near impossible without rewiring the car.   In either case, replace the ignition cylinder, and you could very well fix the whole problem.
#93 of 124 95 Lincoln Town car. by qso Jul 16, 2009 (9:22 pm)
I have a leak at the front of my master cylinder. There is a nut located at the very tip and I do not know what it is for. That is where the fluid is leaking from.! Is it possible to remove this nut and reseal it? Has anybody ever had this area leak on them.    Also what is a traction master cylinder vs a standard cylinder that these cars came with?    thank you    RV : Replies to this message: qso (Aug 18, 2009 3:10 pm)
#94 of 124 95' TC Chimin', power on without keys by unclewip Jul 20, 2009 (5:04 pm)
I've been playing with this issue for the past week, with many suggestions on the cause, however still no good news !! .....When exiting vehicle while door is open, radio continues to play, key cmime sounds, windows will work...All without key in ignition. Battery dies within two days sitting, due to constant apparent draw...Tried ignition switch, checked all fuses, including motor compartment, swapped out LCM (lighting control module) with a friends 95', and also installed mine in his, however it worked fine in his!.....This is an extremely clean vehicle I have owned for the past 8 years, never experiencing any issues, how ever the "match is getting closer to ignite".Thanx for any new answers!!!! Replies to this message: acdii (Jul 21, 2009 4:58 am) vlm77 (Sep 01, 2009 4:39 pm)
#95 of 124 Re: 95' TC Chimin', power on without keys [unclewip] by acdii Jul 21, 2009 (4:58 am)
Replying to: unclewip (Jul 20, 2009 5:04 pm) The way this system works is the accessories stay powered up until you open a door. From what you are describing, it sound to me more like a door switch problem than anything else. Even if the cabin lights go on when you open the door, doesn't mean the module is getting the signal that you opened the door. I would have the circuitry checked from the doors.   Another puzzlement, the acc on is timed, so it should turn off after so many minutes, and there is also a battery saver feature that prevents running down the battery. At least there is one in my F350, so I would assume Lincoln would have it too. Of course if the battery is weak, or never got a full 100% good charge, that feature is moot.   I have a Camry Hybrid, if you have the ACC on and the radio going, after about an hour, it will shut off. The system in the Lincoln should do that as well with the key out.   Check the door switch circuits, it sounds like that is where the problem lies. Replies to this message: vlm77 (Sep 01, 2009 4:39 pm)
#96 of 124 95 town car Pressure Control valve by qso Aug 18, 2009 (11:42 am)
Below my master clyinder is what is called a Pressure control valve. It has several brake lines to it as well as the cruise control disconnect switch. This valve also has an alum. fitting on the forward end of it that has a very small hole drilled into it to outside atmosphere. . The fitting has an "O" ring under the head as well as one on the inside of this fitting. There is also a spring inside that this fitting compresses when it is screwed in. I have brake fluid coming out the vent hole on the end. Nobody at Lincoln can help me. Hopefully somebody out there can tell me why this fitting is there and being that it is leaking out of the vent hole something must be wrong on the inside of it?    Please help.    Thank you    Bob Hardisty Replies to this message: acdii (Aug 19, 2009 5:34 am) qso (Aug 19, 2009 5:56 am)
#97 of 124 Re: 95 Lincoln Town car. [qso] by qso Aug 18, 2009 (3:10 pm)
Replying to: qso (Jul 16, 2009 9:22 pm) My mistake-- Its not the master cylinder its the pressure control valve under the master cylinder. There is a fitting that is leaking out of the vent hole that is drilled in the end!
#98 of 124 Re: 95 town car Pressure Control valve [qso] by acdii Aug 19, 2009 (5:34 am)
Replying to: qso (Aug 18, 2009 11:42 am) I know which part you are talking about, we have a 95 Mercury of the same platform. There are 4 lines, two from the master, and two to the traction control/ABS pump. This is a proportioning valve to equalize front to rear pressures, and the tolerances are very tight, so they cant be rebuilt, only replaced. There are no repair kits for them, and don't even try to repair them, it could be fatal since the entire braking system runs through it. The vent is t prevent a vacuum lock on the diaphragm behind that nut, and from what you describe, the diaphragm has a hole in it. There is also a pressure warning switch, if you lose pressure on any line, whether front or rear, it will detect the pressure loss and throw a warning light on the dash. If you plan to replace this yourself, before you even pop the hood, make sure all your bleeders on the calipers are working, otherwise you will not be able to properly bleed the system for this to work correctly.   Here is a cutaway Check with Napa, they may stock this, if not, then the dealer will have them. Replies to this message: qso (Aug 19, 2009 5:56 am)
#99 of 124 Re: 95 town car Pressure Control valve [acdii] by qso Aug 19, 2009 (5:56 am)
Replying to: acdii (Aug 19, 2009 5:34 am) You are right on the money. You are the first to tell me exactly what it is . Yes I will not even attempt to fix this one. I think I have found one on a junk 95 Town car.. I don't see a problem changing out and I know I will have to bleed the brakes completely once I get done.    Thank you very much my friend you have been a great help.    Bob
#100 of 124 Re: 95' TC Chimin', power on without keys [acdii] by vlm77 Sep 01, 2009 (4:39 pm)
Replying to: acdii (Jul 21, 2009 4:58 am) Hi, we had a similiar problem with our 95 TC. Took it to 2 mechanics and the dealer multiple tmes. Finally, at my husbands suggestion, mechanic replaced the body control module and the problem resolved. We picked up a used one for under $200. Good Luck!

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