LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 1990 >> F-Super Duty 7.3 M, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Controls - Basic Testing) >> DISTRIBUTORLESS Ignition System (Dis) 2.3L >> Test 17, Check Right Coil Circuit

Test 17, Check Right Coil Circuit

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1991 Ford Ranger, 1991 Ford RV Cutaway, 1991 Ford Pickup, 1991 Ford F-Super Duty, and 1991 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Connect LED test light between breakout box pins No. (+) J23 (RC1C) and (-) J60 (BAT -). Connect test light between breakout box pins No. (+) J24 (RC2C) and (-) J60 (BAT -).

If test light illuminates in both tests, go to next test. If test light does not illuminate in both tests, one or both coil wires is shorted to ground or coil pack may be damaged. Check connectors, and repair or replace harness. Check for fault codes. If vehicle still does not start, go to next test.