Call a parts store and tell them what you need and they will give you the right fuel pump for your truck.
Need to know what year Blazer.
Hard starting, loss of power, excess fuel consumption, check engine light, and a blowing sound under heavy acceleration.
Need to know what year and engine.
Need to know the year and engine size.
Need to know what year the vehicle is.
Need to know what year
When parts of a car do not work, it is important to know where its fuse is located. The horn fuse in a 1999 Chevy Blazer is located in the fuse box under the driver side dash.
There are several seals in that transmission, need to know which one.
I know that the 1 on the far left is the fuel relay
Have the a fuel pump pressure tested.
If its hard to start it probably your fuel pump going out .You will know when it out you will go run your batteries dead trying to start it. the pump is in your fuel tank.
Need to know what year S-10 you have.