Toyota 4 Runner Fuel Pump Relay Location . I know others seem to have found this relay but I need some help. Inner terminals may break, creating an electrical open condition; corrosion may build up around electrical contacts; contacts may burn, creating unwanted resistance A common fuel pump relay has four electrical terminals or pins sticking out of its base. I have a 1997 toyota 4runner 3.4 v6 wont start when hot (Jackson Nguyen) A fuel pump relay can fail in several ways. They have a fuel pump relay rather than a fuel pump switch. The fuel pump relay is located in the fuse box. Inner terminals may break, creating an electrical open condition; corrosion may build up around electrical contacts; contacts may burn, creating unwanted resistance A common fuel pump relay has four electrical terminals or pins sticking out of its base. A fuel pump relay can fail in several ways. Toyota 4Runner Forum - Largest 4Runner Forum...