FixVault

Control Relay

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1988 Chrysler Conquest, 1987 Chrysler Conquest, 1986 Plymouth Conquest, 1986 Dodge Conquest, and 1985 Plymouth Conquest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove control relay from cowl (left side). Apply positive battery voltage to terminal No. 2. Ground terminal No. 4. Using a DVOM, check for continuity between terminals No. 1 and 3 of relay. There should be continuity.
  2. Remove battery voltage from terminal No. 2. Remove ground wire from terminal No. 4. Using a DVOM, check for continuity between terminals No. 1 and 3. Continuity should not be present. Check for continuity between terminals No. 2 and 4. Continuity should be present. If DVOM reads incorrectly, replace control relay.