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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 165 (Engine Controls - System/Component Tests - EEC-IV (7.3L Diesel)) >> Component Tests >> Glow Plug Testing >> Check Harness

Check Harness

WARNING: This page is about a different car, the 1995 Ford RV Cutaway, 1995 Ford Econoline, 1995 Ford Cutaway, and 1995 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.

With ignition off, disconnect glow plug connectors at glow plugs. Squeeze sides of glow plug module protective cover and remove cover. Using an ohmmeter or test light, check continuity between each glow plug lead and test terminal of glow plug module. See Figure . If all leads check okay, go to next test. If any lead has an open circuit or is shorted to ground, repair or replace lead as necessary, then go to next test.