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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Engine Controls - System & Component Testing) >> Ignition System >> Ignition Relay Diagnosis (4.3L) >> Test Description

Test Description

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The numbers below refer to step numbers in diagnostic procedure.

  1. 4

    This step is testing relay ground circuit.

  2. 5

    This step isolates circuit from IGN relay. All circuits at relay are good if test light illuminates.

  3. 9

    The open circuit will be between splice and IGN relay.

  4. 10

    Remove underhood electrical center cover and inspect circuits that are supplied a voltage by IGN relay.

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