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Home >> BMW >> 1984 >> 318i Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Testing >> Control Module Ground Check

Control Module Ground Check

  1. Disconnect connector at control module. Turn ignition switch on. Connect voltmeter positive lead to terminal 31 of control module (not harness). Connect negative lead to ground.
  2. Reading should show continuity. If not, check module ground wire and repair as necessary.
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