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November 16, 2018

1989 Town Car AC Blower Question

Bill -

May seem petty, but when I turn the blower switch to "automatic" I know the blower motor should cycle through the various speeds until cabin temp has been reached. Mine only stays at one speed. Manually going through the speeds, I do get the various speeds, leading me to believe that the resistor is ok. Might add that the temperature control does function correctly. I've been searching for a diagnostic manual on this but can't find one. Can you assist in these issues? I'm a retired Mustang Electrical tech from FoMoCo with no experience on Lincolns. I did find and buy the "Vacuum and Electrical Trouble Shooting Guide" but it's very limited on the ATC diagnosis.

Sincerely,

Nicholas

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Greetings Nicholas -

We do not have a wiring diagram at the moment but are sending you a drawing of the AUTO blower fan switch which is located on the blend door servo assembly. We are including a short description of its location and operation as a blower speed controller in the AUTO fan position. This switch can fail and can be tested electrically or removed and disassembled for inspection. Let us know what you find as we usually have working units in stock.

Sincerely,

Bill

November 14, 2018

1978 Mark Back Up Light Switch Question

Bill -

Back-up light switch part Motorcraft D7LC 15520-AA has two vacuum ports, no vacuum lines attached. I want to install them, where do they go from switch?

Sincerely,

Anatol

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Hi Anatol -

Welcome to Lincoln Land. The function of this feature is to disengage the parking brake automatically. There is also a small manual release lever located in the mechanism. One vacuum line from the neutral switch will be routed to a vacuum supply port under the hood. The other would have been routed to a vacuum servo that is located above the parking (also known as emergency brake) brake pedal. These vacuum lines may have been removed and discarded due to some sort of malfunction, therefore be prepared for a further problem when you have restored the vacuum lines. Good luck and please let us know what you find.

Sincerely,

Bill

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Bill -

This is perfect, thank you so much!

Anatol

November 6, 2018

1962 Continental Sedan Installation Of Front Main Seal

Hi Bill -

I have a leaky front seal and find the manual a bit lite for information when installing new one. Do you have to take off the timing cover off or is the seal directly behind the steering pump and can change it there with out removing timing cover?

Regards,

Dale

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Hi Dale -

To change the front cover seal the front cover does not need to be removed. The seal is simply inserted into the cover in place of the old seal . We like to clean the cover at that point and lightly coat the mating seal to cover area with a non hardening gasket cement for good measure. When the pump is reinstalled the rubber mounts ( located on the pump ) should be new or in very good shape. The original pump bolts must be used as the have a built in gauge to properly seat the rubber mounts to the cover. Good luck.

Sincerely,

Bill

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Thanks Bill -

This a great help. Your blog is a great site for learning.

Regards,

Dale

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Dale -

We are pleased that you gained some good info. from our blog. Please keep in mind that our parts service for these Lincolns and Marks is also excellent and well thought of.

Sincerely,

Bill

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Bill -

Thank you! Bill I have bought many a part off Lincoln Land over the years great service!

Dale

November 1, 2018

1969 Window Issues

Bill -

I'm trying to get the power windows working properly with the switches, all front door motors were bench checked and worked fine, also the relay has juice to it, I took it apart to look and the relay looked good. Any help would be appreciated.

I do have a factory, and I mean it is BIG manual with all the Electrical, vacuum diagrams, not only for 69 Lincolns but for T-Birds etc..Also have a Electric gearhead, my neighbor trying to help. I can run a test light and read a diagram somewhat good. I also have a 71' Lincoln Mark 3 that I'm working on, I do all the mechanical work myself but farm out most of the vat cleaning, head work etc. The 71' was really neglected and sat for about 5 yrs. when I bought the car it had no starter relay in place, they had the Battery wired right to the starter?? Also when i looked at the wire loom i found at the Alternator connection a missing black wire which should be the Ground wire.

Thanks,

Bill

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Hello Bill -

The power windows on these years of Lincolns are a common fail item and can be difficult. You don't tell us if the 69 is a Mark III or the full size sedan or coupe. You also do not mention if the power window relay is sending power to the drivers door switches with the ignition key in the run position. You do advise though that this relay " looked good". That does not mean however that it is actually operating or not. As a service we can rebuild the relay if faulty and most of the switches if they are proven defective. The switches are a very common fail area.

If you have the correct wiring diagrams you will need to follow the power path of the switch operation to and from the window motor locations that are non operative. If you have difficulty verifying the condition of the switches we can test then for you if necessary. These circuits can be somewhat difficult to diagnose and will require patience and an understanding of the operation.

Sincerely,

Bill