Test 10, Check Right Coil Pack Circuits
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.
With key on, connect LED test light between breakout box pins No. (+) J18 (RC1D) and (-) J60 (BAT -). Connect test light between breakout box pins No. (+) J10 (RC2D) and (-) J60 (BAT -). If test light does not illuminate in both tests, go to next test. If test light illuminates in both tests, go to TEST 14.