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Home >> Geo >> 1993 >> Storm Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Relays >> EFI Main Relay

EFI Main Relay

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  1. EFI main relay is located in fuse/relay block on left side of engine compartment, near battery. Remove EFI main relay from fuse/relay block.
  2. Using ohmmeter, ensure continuity exists between Black and Black/Yellow wire terminals of EFI main relay. Apply battery voltage to Black/Yellow wire terminal, and ground Black wire terminal. Continuity should exist between Red/White and Red/Green wire terminals of relay. Replace EFI main relay if continuity is not as specified.
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