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Home >> Ford >> 1989 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Component Testing >> DISTRIBUTORLESS Ignition System (Dis) Module

DISTRIBUTORLESS Ignition System (Dis) Module

  1. Turn ignition off. Using DVOM, connect negative lead to negative battery post and positive lead to DIS connector IGND terminal with connector attached. Resistance should be 5 ohms.
  2. If resistance is not as specified, verify module base plate and mounting screws are clean and tight. If base plate and mounting screws are okay, replace module.
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