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The horn relay on the 1993 GMC Sierra is located on the fuse box. The horn relay is a rectangular shaped plug next to two larger round plugs.
The 1993 Oldsmobile Cutlass Sierra thermostat is located on the front of the engine. You can follow the water supply line from the radiator to the thermostat housing.
When you look from under the hood, it will be to the right of the Engine Oil Filter.
Located in the fuel tank - may have to remove to access
On a 1993 GMC Sierra X-Cab, the door lock relay is located on the outside of the door. After taking off the side panels, the actuator should be visible.
Sierra Atlantic was created in 1993.
Sierra Wireless was created in 1993.
antifreeze coming from back of intake on 1993 gmc sierra
That is reset with a scan tool.
This is computer controlled
By the fuse panel and also by the battery (The fuse panel would be by the drvier's steering column to the left i believe)
the engine computer is located behind the glove box. remove the glove box door and inside. you will see it on top of the H-VAC