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March 31, 2017

1969 Thunderbird Climate Control Question


My 1969 T-bird has only 62k original miles and only blows air through the defroster. How can I repair this problem? The blower motor works great; I just need to control the air, either through the vents, floor defroster, etc. If I need to replace a part, could you let me know which part? Thank you for your advice.



John -

The 68-71 Thunderbird ATC (Automatic Temperature Control) has the exact same system and parts as the 69-71 Mark III. We have parts in stock, and we can also rebuild the servo assembly and ATC Box. You can repair yours with correct diagnosing as per the Shop Manual. Loss of vacuum supply to the controls is a very good possibility from your description. Loss of vacuum on that system will cause the unit to default to the Defrost and Heat in all settings except Off. This could be an easy fix for you.



1977 Town Car New Owner With "Burning Belts"

Hey Bill -

My issue is i just bought a 77 Town Car with the 460 engine, it runs good but keeps burning belts. I get about 4 or 5 miles and it starts burning. I have checked alignment and replaced alternator with the belt. I have tried different types of belts (solid and notched belts), but same results. The only thing I can think of was the crank pulley has a burr. I will clean the pulley, but after that have no where to go if it doesn't work please help.



Hello Anthony -

This is the first time that I have heard of a belt burning every 4 or 5 miles with no apparent reason. I do have some ideas but because I cannot view the engine area, I need to ask some questions. Did you recently purchase this Lincoln in this condition from the seller? Did you speak to the seller about this problem? Do you know any history of any repairs to the engine at all? With this information I may be able to suggest some possible suspect areas for you to examine.



March 27, 2017

1978 Town Coupe Electrical Issues, New Owner

Hey Bill,

First of all, I want to comment on how great this website is! I haven't seen anything like it, and I love how thorough it is for navigating problems!
I've read a few similar situations where Lincolns in my year range are running into door lock problems, but please see below:

I recently acquired a 1978 Lincoln Continental Town Coupe (Triple Black ) I have 2 issues with it. Firstly, neither of the door locks are working. There is no noise coming from them at all. I'm confident I found a thread on another forum that may work (pull the door panels off and trace the wires back to the fuse box) but I'm concerned because the keys wont even turn in the cylinder, and if I push the lock button I don't hear anything. I can't force them to lock by pushing the pin down either. Secondly, the one that concerns me most is that the instrument/dash cluster seems to be at half power. The fuel gauge doesn't work, but the tach does -- as do a few of the lights intermittently. Needless to say, this is frustrating because you have to remember how much gas that 460 has burnt thru. The fuses seem to be fine -- I've replaced the questionable ones, but with no luck. I put in a new alternator and battery, and the problem is still there.




Hi Dillon -

The most common problem with this era of Lincoln power door locks is the door lock actuators themselves that are located inside the doors.
The dash light problem could be the dash light rheostat that is located at and is part of the headlight switch itself.

The fuel gauge issue could be the fuel sending unit that is located inside the fuel tank. This a possible and a very popular fail part. However, all of your issues need to be diagnosed in a logical sequence in order to pinpoint any electrical problems correctly in order to avoid replacing parts that are not faulty.

Guessing is not a great method.

The operation and diagnosis is explained in the Factory Maintenance manuals and Wiring Diagrams. Do you have any of these publications? We have these available if you need them and can send them to your address. They are very useful for these and future problems with your recent Lincoln purchase. If needed please call us and ask for George to make arrangements.



March 9, 2017

1969 Continental Sedan Rear Light Questions

Hello Bill,

First, thank you for providing information to everyone. It's much appreciated.

I was wondering how to get access to the rear tail lights on my 69 Continental 4 Door Sedan. The old sockets are pretty bad and they don't have the spring back action to them so I can't turn in a new light bulb. I have the replacement sockets but I am having a difficult time getting to the old ones.

Also on the rear tail lights on the 69 Continental, there is a clear lens and then a small red lens directly underneath it. I know the clear lens is for the reverse light but what are the small red lenses directly underneath the reverse ones for? I changed bulbs but they still don't turn on. I would assume they're for brakes but not too sure. Any assistance would be appreciated. Thanks in advance.




Greetings Juann -

The small red lights on the rear quarter panels are not brake lights. They are side marker lights that are powered by the running lamp circuit. Side marker lamps were mandated to all of our automakers starting around 1968. With this feature (front and rear) the vehicle can be seen easier from the side at night. Some are of a simple design and some (as your Lincoln is) were more of a pleasing ornate design.

To service the tail light socket assemblies in the bumper you will need to remove the rear bumper in order to comfortably remove the two lamp bodies that each house the three sockets. Be sure to first disconnect and free up the wiring to the light assemblies, including the license plate illumination light to avoid tearing apart the wires. This is probably the best way to deal with these sockets if you need to somehow repair or replace them properly.



March 6, 2017

1979 Mark V Rear View Mirror

Bill -

My rear view mirror has become unglued from the windshield. Any thoughts on how to fix?




Hi Gerry -

If your mirror has become detached from the windshield and is not broken, the first thought that jumps out at me is to reattach it. You can have this done quickly at a local well known automotive glass shop of your choice. They are experienced with this occurrence and should have the latest and best commercial product available for the task. If you wish to do it yourself, many glass adhesive kits are widely available for the job at local auto parts stores such as NAPA, Advance and O'Reilly's, etc. However, the directions must be followed carefully. We cannot recommend any one brand over the other though or any particular store. A missing mirror makes driving uncomfortable and less safe therefore we wish you a speedy repair.