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16MB Downloadable PDF file of the complete 1971 Mercury Cougar electrical wiring diagram used by Ford Technicians. You will receive a download link both on the order confirmation screen and via email once your order is complete.

In this download you will find diagrams for the following systems:

  • Air Conditioning
  • Brake Lights
  • Charging
  • Cigar / Cigarette Lighter
  • Circuit Protection
  • Clock
  • Convenience Systems
  • Convertible Top
  • Defogger
  • Exterior Lights
  • Gauges
  • Head Lamp on Warning Buzzer
  • Heater Defroster
  • Horns
  • Key Warning Buzzer
  • Ignition
  • Instrument Panel
  • Interior Lights
  • Neutral Switch
  • Parking Brake Warning Light
  • Power Windows
  • Radio and Stereo Tape
  • Seat Back Latch
  • Seat Belt Reminder Light
  • Starting
  • Tachometer
  • Turn Signals
  • Vacuum Systems
  • Windshield Wipers and Washers

Please Note: This is a high resolution scan of the original Ford document, which was 24" wide by 16" tall. These will not print well on a single 8.5" by 11" piece of paper. You can however use Adobe Reader to print these as a "poster" on multiple sheets of paper per original page that you can then tape together in order to be able to print the desired pages at full size or the file can be taken to a local print shop and printed at full size.

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71 Cougar FREE Schematic

5.00 out of 5
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  • easy to use anywhere
  • Hard to see the big picture on a phone
Thank you WCCC for providing this schematic at no cost to your customers. It is very helpful to use for repairs and restoration. I'd be in the dark without it. It saves countless hours work. Of course that leaves us free to do more work and buy more parts sooner.

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You all have everything... even when I think it would be hard to find. Used, repro, all of it. Thank you all for the all the help since 2020, when I bought my dream XR-7.You all ROCK! Thanks WCCC! Wear my shirt proudly, for sure.Thanks again for...
- Eric (North Carolina)
For five years I've been buying parts for my car from WCCC. For five years I've gotten free advice, research, techniques, and demonstrations that have helped me put the car together correctly. I would never have figured out some of the things I...
- Dan
Today I was contact by Darrel on his day off to fix a problem that occurred with an order. I can not express enough how thoroughly pleased I was with his service, and that of Don Rush, for making it happen. I would recommend WCCC to anyone that...
- Jerry
I have used West Coast Cougar twice to have parts for my 1971 XR-7 Convertible shipped to Australia. Cannot fault their service and communication. Am definitely a fan. Website is also very comprehensive, they deserve 5 stars. Cheers from The Land...
- Gary
The LED PLASMA WHITE lightbulbs are super bright and greatly enhance the visibility (and safety) of my backup lights. A great addition to my already RED PLASMA BRAKE LIGHTS ...
- Jim Kemp
I have been dealing with Don [at WCCC] a very long time, he knows what he's talking about and knows his Cougars! ...
- Dennys automotive
From the clarity of the website to the quality of the products, WCCC is a fantastic company to deal with. ...
- Kim
I received the right side exhaust manifold shortly after I ordered it. My 302 engine is coming along, so hopefully it may be ready to drop into my 1970 Maverick, which is very similar to my first 1970 Maverick that I had from 1970 to 1986, the...
- Jim ONeil
I may be slow in leaving feedback on the items I have purchased each time, but I want all to know that I am very pleased with the items and customer support with everything WCCC is simply the best of the best!! I thank you and "Janice" my 67 thanks...
- Michael
Purchased a set of wire wheel covers for our 68 Cougar to complete the option content as show in our Marti report. Was pleased at the condition of three caps that Don sold me. Had to return one due to some curb rash and the Westcoast folks gladly...
- Rick Barrett