Pinpoint Test A3 - Check Control Unit
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 1994 Ford RV Cutaway, 1994 Ford Pickup, 1994 Ford F-Super Duty, 1994 Ford Econoline, and 1994 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
With ignition switch in the OFF position contact ohmmeter to ground wire terminal eyelet and to ground post on each battery See Fig 1.
If less than 1 ohm, proceed to PINPOINT TEST A4 - CHECK SUPPLY VOLTAGE . If more than 1 ohm, clean or service ground connection, Repeat check and go to PINPOINT TEST A4 - CHECK SUPPLY VOLTAGE .