2004 Mercury Grand Marquis Diagnostic Tools

Keep Your 2004 Mercury Grand Marquis in Top Shape with a Quality Diagnostic Tool

When it comes to maintaining or upgrading your 2004 Mercury Grand Marquis, 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 Diagnostic Tool for your Grand Marquis. We currently carry a top Diagnostic Tool in stock that is built to last. Whether you’re replacing a damaged Diagnostic Tool or looking to upgrade, our selection for the 2004 Mercury Grand Marquis 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 Brake Tools and Drivetrain Axle Tools to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2004 Mercury Grand Marquis running smoothly and looking great.

Most Popular Diagnostic Test Connector for 2004 Mercury Grand Marquis

Enhance your 2004 Mercury Grand Marquis with this popular Diagnostic Test Connector we have in stock, for $76.99.

Carquest Premium – Multi-Use Connector (Part No.PTC1711)

Multi-Use Connector

from

$76.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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FAQs for 2004 Mercury Grand Marquis Diagnostic Tools

What’s the price range for 2004 Mercury Grand Marquis Diagnostic Tools?

We currently have just one Diagnostic Tools for the 2004 Mercury Grand Marquis in stock: Multi-Use Connector and it costs $76.99.

Does Advance Auto Parts sell Diagnostic Tools for other Mercury Grand Marquis model years?

Yes, we carry Diagnostic Tools for 8 model years of Mercury Grand Marquis between 1995 and 2003. The following model years are the most popular for Diagnostic Tool purchases: 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, and 1995.

Does Advance Auto Parts sell Diagnostic Tools for any other 2004 Mercury models?

Yes. We stock Diagnostic Tools for 1 other popular 2004 Mercury models. Some of the most popular are 2004 Monterey Diagnostic Tools and 2004 Mountaineer Diagnostic Tools.

What types of Diagnostic Tools do you sell for my 2004 Mercury Grand Marquis?

We currently have just 1 Diagnostic Tool in stock for a 2004 Mercury Grand Marquis, and as of 11/2/25, it is a Diagnostic Test Connector.

Can I get help with 2004 Mercury Grand Marquis Diagnostic Tool orders?

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

What is your return policy for Mercury Grand Marquis Diagnostic Tools?

Advance Auto Parts keeps returns simple. For new Mercury Grand Marquis Diagnostic Tools and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.