1986 Mercury Cougar Engine Wiring Harnesses

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1986 Mercury Cougar in Top Shape with a Quality Engine Wiring Harness

When it comes to maintaining or upgrading your 1986 Mercury Cougar, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Wiring Harness for your Cougar. We currently carry a top Engine Wiring Harness in stock that is built to last. Whether you’re replacing a damaged Engine Wiring Harness or looking to upgrade, our selection for the 1986 Mercury Cougar ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Electrical Connectors and Electrical Motors to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1986 Mercury Cougar running smoothly and looking great.

Most Popular Engine Wiring Harnes for 1986 Mercury Cougars

Enhance your 1986 Mercury Cougar with this popular Engine Wiring Harnes we have in stock, for $60.99.

MSD Ignition – Harness; MSD 6 to Ford TFI (Part No.8874)

Harness; MSD 6 to Ford TFI

from

$60.99
MSD Ignition control are easy to install, but we also offer several plug-in harnesses. These are especially handy for quick installation on late model vehicles! The harnesses plug directly into your factory coil and harness then four color coded wires plug into the corresponding wires of the MSD. Two wires go from the MSD to the battery and you’re done with no cutting or splicing!

Product Features:
  • Splice free installation
  • Plugs directly into factory coil
See More

FAQs for 1986 Mercury Cougar Engine Wiring Harnesses

What’s the price range for 1986 Mercury Cougar Engine Wiring Harnesses?

We currently have just one Engine Wiring Harnesses for the 1986 Mercury Cougar in stock: Harness; MSD 6 to Ford TFI and it costs $60.99.

Does Advance Auto Parts sell Engine Wiring Harnesses for other Mercury Cougar model years?

Yes, we carry Engine Wiring Harnesses for 3 model years of Mercury Cougars between 1984 and 1988. The following model years are the most popular for Engine Wiring Harness purchases: 1987, 1984, 1985, and 1988.

Does Advance Auto Parts sell Engine Wiring Harnesses for any other 1986 Mercury models?

Yes. We stock Engine Wiring Harnesses for 4 other popular 1986 Mercury models. Some of the most popular are 1986 Marquis Engine Wiring Harnesses, 1986 Grand Marquis Engine Wiring Harnesses, 1986 Capri Engine Wiring Harnesses, 1986 Sable Engine Wiring Harnesses, and 1986 Topaz Engine Wiring Harnesses.

What types of Engine Wiring Harnesses do you sell for my 1986 Mercury Cougar?

We currently have just 1 Engine Wiring Harness in stock for a 1986 Mercury Cougar, and as of 3/1/26, it is an Engine Wiring Harnes.

Can I get help with 1986 Mercury Cougar Engine Wiring Harness orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Engine Wiring Harnesses and more.

What is your return policy for Mercury Cougar Engine Wiring Harnesses?

Advance Auto Parts keeps returns simple. For new Mercury Cougar Engine Wiring Harnesses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.