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How to Replace Ignition Control Module 1996-99 GMC K1500
Created on:
Tools used
Gloves
5.5mm Socket
Ratchet
1. Removing the Air Intake
Unclip the air box latches
Lift off the air box cover
Disconnect the intake air temperature sensor electrical connector
Disconnect the mass air flow sensor electrical connector
Pop the breather line off the intake hose
Remove the thumbscrew from the intake
Lift the Intake up and out
2. Removing the Ignition Control Module
Disconnect the ignition control module electrical connector
Remove the two 5.5mm screws from the ignition module
Lift the ignition module out of the engine bay
Separate the ignition module from the heat sink
3. Installing the Ignition Module
Apply the grease to the ignition module backing
Press the ignition module to the heat sink
Start one of the 5.5mm screws into the ignition module
Put the ignition module into place
Start both 5.5.mm screws
Tighten the two 5.5mm screws
Connect the ignition module electrical connector
4. Installing the Air Intake
Connect the intake to the throttle body
Fasten the thumbscrew onto the intake
Connect the intake hose to the air filter
Clip the intake hose to the air box
Connect the mass air flow sensor electrical connector
Connect the intake air temperature sensor electrical connector
Line up the air box cover
Clip on the air box cover
Connect the breather hose to the intake hose
Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years. We're dedicated to delivering quality auto parts, expert customer service, fast and free shipping, all backed by our 100% satisfaction guarantee. Visit us at 1AAuto.com, your trusted source for quality auto parts.
In this video, we're going to be working with our 1996 GMC Sierra K1500 with the 5.7 liter V8. We're going to be showing you how to remove and replace your vehicles ignition control module. If you like this video please click subscribe. We have a ton more information on this and many other vehicles. And, if you need this part for your truck, you can follow the link down in the description over to 1AAuto.com. Here are the items you'll need for this repair.
Lift up on the latches and remove the upper portion of your air box. Unplug the intake air temp and mass airflow sensors. Pop the breather line off and undo the thumbscrew. Rock the upper part of the intake forward and remove it from the vehicle.
Disconnect the connector on the ignition control module, and remove the two 5.5mm screws with a 5.5mm socket and ratchet. Remove the control module, and the heat sink from the vehicle.
Here we have our old ignition control module that we removed from our vehicle, and our new part from 1AAuto.com. As you can see these parts are exactly the same. They have the same connector and the same body of the sensor with the same two bolt mounting location. Now, what happens to these, is they tend to get hot and fail, which can create a rough running condition, or prevent your vehicle from starting at all, which is actually what this little tube of grease is included for. You apply this to the metal surface on the back of the ignition control module, before mounting it to the heat sink and reinstalling it. It helps to dissipate that heat from the module, and prevent it from failing. If your old module has gone bad, this new part from 1A Auto is going to in direct fit, just like your original equipment, and fix you up right.
Apply the grease included with your sensor to the metal backing. Go ahead and use all of it: the more the better. It's going to help keep that heat away from the module and keep it lasting longer and performing correctly. Spread the grease around on the back of the sensor. Make sure you coat all of the metal surface evenly.
Place the ignition control module back onto your heat sink and, start one of your 5.5mm screws. Place it back onto the bracket and start both screws by hand before tightening either one down fully. Tighten down the bolts with a 5.5mm socket and ratchet. Reconnect the electrical connector.
Lift up on the latches and remove the upper portion of your air box. Unplug the intake air temp and mass airflow sensors. Pop the breather line off and undo the thumbscrew. Rock the upper part of the intake forward and remove it from the vehicle.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
ICA61373
In Stock
Product Reviews
4.5/ 5
★★★★★★★★★★
49 reviews
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82%
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Customer photos
★★★★★March 31, 2026
I'm very pleased with the ignition control module that I ordered from 1a auto. I received it in a timely manner and the part works perfectly. The price was right also. Definitely be back again when I have to get parts for my Silverado. Thanks 1a auto!
★★★★★March 20, 2026
Great part Great price
Great part works great and great price
★★★★★March 14, 2026
Works as should
Part fits and works as it should
★★★★★January 13, 2026
Great website to help diagnose and great prices for parts
This part fixed the problem with the ignition. It was by far a better price than anywhere else. Information on their website gave us detail information about how to diagnose that this was the part that was causing the problem. I would recommend them for their prices and online help.
★★★★★June 25, 2025
Nice piece
no issues everything works just fine
★★★★★February 17, 2025
Job done right
The part I bought was easy to find in your parts catalog, easy check out and your videos on how to install made the job even easier. Thanks again and I will be ordering more parts in the near future.
★★★★★January 25, 2025
Very good ??
★★★★★November 21, 2024
Part fits as advertised
The part didn't come with the grease as advertised. It was an exact fit as a positive and delivery was on time. The videos are helpful for someone that's unsure how to replace the parts.
★★★★★October 30, 2024
ICM
It's working great
★★★★★March 10, 2024
It will not get me pass the Emissions test
This part is giving me a High Voltage Code P1351 must be OEM specific
Showing 1–10 of 49 reviews
Customer Q&A
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JohnNovember 19, 2025
Does this pary need to be flashed by a dealership?
I did not, and it works fine
David · November 29, 2025
JohnJuly 25, 2022
WILL THIS FIT A 1997 TAHOE 5.7 ENG ?
Yes
M · July 25, 2022
WilliamMarch 11, 2022
Will it fit in a 2001 gmc Sonoma V4 2.2l ?
Currently, we do not carry this part for your vehicle. We're always updating our inventory so please check back soon!
Cristina · March 11, 2022
TonyDecember 17, 2021
Where Is the module located on a 2000 to Safari?
This part will not fit your vehicle, but we may have a part that is listed to fit.
Please enter your vehicle's year make and model in the search bar at the top of the page. This will display parts guaranteed to fit your vehicle. Just be sure to verify all of the information shown in the Vehicle Fit tab before ordering.
Ricale · December 17, 2021
Showing 1–4 of 4 questions
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