Fuse box diagram for 89 blazer - Fixya Fuse box diagram for 89 blazer 1998 chevrolet blazer main fuse box wiring diagram. Chevrolet Cars & Trucks; Open Questions: 0 Answers Where is the fuel pump fuse on a 1989 chevy s10 pickup? Feb 14, 2017 | 1989 Chevrolet S-10 Blazer. 0 Answers 1989 blazer fuse box diagram? fuse box diagram. I want a fuse panel diagram for 1989 chevy blazer - Fixya SOURCE: i need fuse diagram for 2002 chevy blazer. Look in the fuse box under the hood. Find fuse "ECM B" which is on circuit 120 which excites the fuel pump relay. This is the fuse you want to inspect. The relay pin next to it is controlled by the PCM. The other 2 pins on the relay control the pump and the other the prime circuit. Posted on 89 S10 Fuse Box Diagram - Wiring Diagram Fuse Box This is a post titled 89 S10 Fuse Box Diagram, we will share many pictures for you that relate to "89 S10 Fuse Box Diagram". Hopefully the picture gallery below will be useful for you. Relax, if the image is not enough to help you, you can type what you are looking for on the search form.