FixVault

EFI Main Relay

NOTE: EFI main relay is used on all models. Turbo models also use a EFI No. 2 relay along with EFI main relay. For testing of EFI No. 2 relay, see EFI NO. 2 RELAY  under MOTORS & RELAYS.
  1. Ensure ignition is off. Remove EFI main relay from fuse/relay box at driver's side front corner of engine compartment, near the battery.
  2. To test EFI main relay continuity, use ohmmeter to check for continuity and no continuity between specified terminals. See Figure.
  3. To test EFI main relay operation, apply battery voltage and ground to specified terminals on EFI main relay and use ohmmeter to check for continuity between specified terminals. See Figure. Replace EFI main relay if defective.