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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Controls - Tests W/Codes - Body Control Computer (Convert)) >> Self-Diagnostic Tests >> Test 70B - Electronic Instrument Cluster No Response

Test 70B - Electronic Instrument Cluster No Response

WARNING: This page is about a different car, the 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see CONNECTOR  IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Remove and inspect fuse No. 14. See Figure . If fuse is open, go to step 3). If fuse is okay, go to next step.
  2. Ensure ignition switch is in ON position. Put DRB in voltmeter mode. Measure voltage at fuse No. 14 (Dark Blue wire). If voltage is more than 10 volts, repair open Dark Blue/White wire between fuse panel and electronic instrument cluster. If voltage is less than 10 volts, repair open Dark Blue wire between fuse panel and ignition switch.
  3. Turn ignition switch to OFF position. Put DRB in ohmmeter mode. Measure resistance at fuse No. 14 (Dark Blue/White wire). If resistance is less than 5 ohms, repair short to ground in Dark Blue/White wire and replace fuse. If resistance is more than 5 ohms, go to next step.
  4. Reconnect electronic instrument cluster. Measure resistance at fuse No. 14 (Dark Blue/White wire). If resistance is less than 5 ohms, replace electronic instrument cluster and replace fuse. If resistance is more than 5 ohms, replace fuse.
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