You will need to remove the inside door panel, by prying outward on the door panel retaining clips. When the door panel is removed the door handle assembly will be visible. Remove the door handle retaining bolts.
You will need to remove the inside door panel of your Chevy truck. Remove the door handle linkage. Remove the door handle retaining bolts. Reverse the process to install the new door handle.
try this site. http://www.jagsthatrun.com/Pages/Parts_S10-Third-Door-Handle.html
You will have to remove the entire door panel to get at the screws that hold the handle assembly to the panel.
You have to take the door apart
Best source is LMC trucks.
By removing it and replacing it with a bran new one.
Inside or outside?
Remove the inside door panel of your 1987 Chevy. Remove the linkage from the door handle. Remove the door handle retaining bolts. The door handle will come off.
Remove inside door handle and window crank handle, remove inside door panel, remove vent window and channel assembly, remove window.
Are the door interchangeable on an 1987 chevy truck and an chevy blazer 1988
maby you should Expierement on it or go ask google ok sorry.
On google images type "door handle diagram Chevy C1500"