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Also, replacing the accelerator pedal position sensor on this 2004 Yukon with 223K miles made a huge difference in responsiveness. No more lag time between pedal and engine.

New owner of 2004 Yukon Denali w 223K miles - probably about to get an education in deferred maintenance!

I’ve figured it out. There are a couple of locking clips that you have to release to free up the motor wire.There is a little access opening below each nub that sticks out (the nubs that secure the protective plastic collar). I freed these clips by inserting a microscrewdriver (flat head) into...

I’m going to try to upload a photo of the accelerator wire that I’m trying to disconnect.

2004 Yukon Denali - This has the adjustable brake and accelerator pedals. I can remove the mounting bolts easily enough with a wobble extension and 10mm socket. And the sensor wiring came off easily enough. Problem is how to disconnect the wiring to the electric motor which adjusts the pedal...