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Home >> Ford >> 1995 >> Econoline E150, 5.8 H >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - EEC-IV (7.3L Diesel) >> Component Tests >> Glow Plug Testing >> Check Glow Plugs
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Check Glow Plugs

With ignition off, disconnect glow plug connectors at glow plugs. Connect a 12-volt test light between a convenient power source and each glow plug terminal. If test light illuminates, go to next test. If test light does not illuminate, replace glow plug and go to next test.