4L80E Fuse Location

If you find your 4L80E transmission is stuck in limp mode, it’s a great idea to check where the fuse is located.  It’s pretty easy to do.  So without further ado, here’s how to locate a 4L80E fuse.   Locating the 4L80E Fuse The 4L80E fuse is located in the engine bay.  You’re going to … Read more

2003 Chevy Silverado Transmission Problems + Overview

The 2003 Chevy Silverado was the 5’th year of the GMT800 platform truck.  After five years, most of the issues with these trucks had been worked out.  Now, these trucks are getting older, and it’s very likely that your 2003 Chevy Silverado may be having transmission problems.  Below, you’ll find a ton of troubleshooting your … Read more

1999-2006 Silverado Transmission Fuse Location

The transmission fuse for the GMT800 Silverado is located under the hood right next to the battery.  You may want to check and see if the transmission fuse has blown if it’s stuck in limp mode. Limp mode is something that a transmission will do to protect itself from catastrophic failure.  For the Chevrolet Silverado … Read more

4L60E Fuse Location

If you have a 4L60E with a blown fuse, we’ll help you find it’s location.  It’s not that hard to get to. This can be the problem that is causing your truck to go into limp mode, since the 4L60E will default to limp mode whenever it’s not getting a signal from the TCM.  Fuses are … Read more

2002 Avalanche Transmission + Problems

The 2002 Chevrolet Avalanche came with two automatic transmissions.  It had no manual transmission option.  The standard transmission for these trucks was the 4L60E.  The heavy duty transmission option was the 4L80E.  They are both four speed overdrive transmissions.  Most of these trucks are going to have the 4L60E since that was the transmission that … Read more

4L60E to 4L80E adapter

When adapting your car from a 4L60e to 4L80e, there are really two parts to the process.  Getting the wiring right is the first part, and the second is making the 4L80E fit in the vehicle.  If you are swapping a 4L80E into a vehicle that has never had one before, we strongly recommend searching … Read more

2002 Trailblazer Transmission

The 2002 Chevrolet Trailblazer is the second model year of the first (and only in the U.S.) of GM’s once popular midsize SUV.  Almost without exception, the transmission that came in these trucks was a 4L60E.  The only exception ever was the Trailblazer SS that would come in later model years.  Now, depending on what … Read more

2006 Trailblazer Transmission

2006 is the first model year for the Chevrolet Trailblazer where every single unit manufactured didn’t come with the 4L60E.  That’s due to the introduction of the Trailblazer SS, which needed a more powerful transmission and got one in the 4L70E.   2006 Trailblazer Transmission Fluid  Capacity The Transmission fluid capacity on a 06 Trailblazer … Read more

2005 Trailblazer Transmission

The 2005 Chevrolet Trailblazer is the 4’th model year for this SUV.  Like the 02-04 Trailblazer’s that came before it, the 05 model comes equipped with the 4L60E transmission regardless of which engine it was equipped with.  Though, there are some unique changes to the 4l60E to accommodate the I6 motor these trucks came with.   … Read more

2004 Trailblazer Transmission

For the most part, but 2004 trailblazer transmission is a carryover from the 2003 trailblazer transmission.  The Trailblazer utilizes the 4L60E transmission in all models.  The 4L60E is very capable in these trucks.  With the trailblazer, it’s more likely that the engine will fail before the transmission does.  The exception to that would be any Trailblazer … Read more