Ignition Control Module Guide for 1992-2000 GMC Yukon
Solve common stalling, misfiring, and no-start problems by understanding your Yukon's ignition control module.
- Engine stalling when hot is the number one sign of a failing ignition module on these Yukons.
- Always apply the included thermal paste to the new module to prevent it from overheating.
- Delphi and Standard Ignition are both reputable aftermarket brands for this part.
- The location varies: it's inside the distributor on older TBI models and external on newer Vortec models.
Is Your Yukon's Ignition Control Module Failing?
The ignition control module (ICM) on the 1992-2000 GMC Yukon is a known failure point, primarily due to its location and constant exposure to engine heat. Over many heat cycles, the internal electronic circuits can break down, leading to frustrating and intermittent problems. Because the symptoms often appear when the engine gets hot, diagnosing a bad ICM can be tricky.
Choosing the Right Aftermarket Ignition Module
When replacing the ICM on your Yukon, you have a choice between OEM (Original Equipment Manufacturer) and aftermarket brands. For an older truck, a quality aftermarket part offers a great balance of reliability and value.
- Delphi: Delphi was a parts division of General Motors and an original equipment supplier for many components. Choosing a Delphi module is often the closest you can get to the original part's quality and fit. They are considered a top-tier aftermarket option.
- Standard Ignition (Standard Motor Products): Standard is a well-respected aftermarket brand that has been around for a long time. They produce reliable parts that meet or exceed original specifications and are a trusted choice for many professional mechanics.
Pro Tip: Thermal Paste is Not Optional
The new ignition module will come with a small packet of thermal paste or grease. You MUST apply this to the metal back of the new module before installation. This paste helps transfer heat away from the module to its mounting location, preventing it from overheating and failing prematurely. Insufficient or missing thermal paste is a primary cause of repeat failures.
🎬 Watch a full replacement of the module and coil.Cost of Replacing a GMC Yukon Ignition Control Module
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket (Delphi, Standard) | $80 - $139 |
| New OEM (ACDelco) | $90 - $200 |
| Shop Labor | $60 - $120 |
Frequently Asked Questions
Where is the ignition control module located on a 1992-2000 Yukon?
The location depends on the year and engine. On many TBI (Throttle Body Injection) models (roughly 1992-1995), the ICM is located inside the distributor, underneath the rotor. 🎬 See how to access the module inside the distributor. On Vortec engine models (roughly 1996-2000), the ICM is typically mounted externally on a bracket next to the ignition coil.
Can I replace the ignition module myself?
Yes, this is a very DIY-friendly job. For models with the module inside the distributor, you will need to remove the distributor cap and rotor. For external modules, it's usually held on by two small bolts. 🎬 Watch this step-by-step guide for replacing the external module. The entire job typically takes less than an hour with basic hand tools.
Can I test my old ignition control module?
Testing an ICM can be difficult without specialized tools. A classic sign of failure is when the engine stalls after it warms up and then restarts after it has cooled down for 15-30 minutes. Many auto parts stores offer free testing services for ignition modules.
Are there any recalls for the ignition control module on my Yukon?
There are no specific NHTSA recalls for the ignition control module on the 1992-2000 GMC Yukon. While GM issued major ignition-related recalls in the 2010s, they affected different components on newer vehicles and did not cover this generation of Yukon.
Helpful Videos
Technical Specifications
OEM Part Numbers: 10496541 D1984A D579
Location and connector style vary by engine type (TBI vs. Vortec). TBI models (pre-1996) typically have the module inside the distributor. Vortec models (1996-2000) have an external module mounted near the ignition coil.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- GMC Yukon: