When I swapped a KA24DE in my hardbody I pulled it out of a "01 frontier,I had the luxery of just buying the wrecked frontier for $500 and pulled the entire harness out and put in my hardbody along with the engine and tranny along with the frontier driveshaft which is a 1pc instead of the stock 2pc with support bearing also I took the interior harness and dashboard out and installed it in the hardbody to make everything work on the instrument panel RPM,Gas gauge,speedo,open door light,everything it came out nice till I recently sold it like a fucken dumbass and im in the process of building another hardbody but this time im going SR g/l to you pmme if I can help you in anyway during the swap