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How do you remove the ECM from a 1989 Chevy K1500 Scottsdale 4X4 Pickup?
Wiki User
∙ 13y ago
FIRST, disconnect your battery. Then remove the glove box (4 small bolts/screws, two on each side). The ECM will be behind the glove box on the right side (it's the shiny metal box approximately 6"Long x 4"Wide x 1.5" Thick). Slide/pull it carefully to the left (towards you). You may have to pull open the two clips on the left side of it a little to get it loose (very easy to do by hand with you fingers). When you have moved it to the left and have enough room, disconnect the two wire connectors right in front of it. Move the connectors out of the way and pull the ECM out. Very simple job. To remove the chips from inside the ECM all you have to do is remove the two small screws that are holding a small plate on top of it. They are directly under that plate. I used a flathead screwdriver to CAREFULLYpry on each side of the chips evenly to pull them out. Again, very simple.
Wiki User
∙ 13y ago
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