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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 50A - Headlamp Time Delay Will Not Turn On

Test 50A - Headlamp Time Delay Will Not Turn On

WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. 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 diagrams, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting any module connector.
  1. Using DRB, stop headlamp relay actuation. Turn ignition switch to OFF position. Disconnect Body Control Module (BCM) connectors. BCM is located behind right kick panel. Connect jumper wire between BCM Gray connector terminal No. 2 (Red/Dark Blue wire) and ground. If headlamps illuminate, replace BCM. If headlamps do not illuminate, go to next step.
  2. Disconnect jumper wire. Remove headlamp time delay relay from junction block. See Figure . Junction block is located behind end cover, on left side of instrument panel. Using DRB in voltmeter mode, check voltage on headlamp time delay relay connector terminal "A" (Red/White wire). If voltage is less than 10 volts, repair open Red/White wire. If voltage is more than 10 volts, go to next step.
  3. Using DRB in voltmeter mode, check voltage on headlamp time delay relay connector terminal "C" (Red/White wire). If voltage is less than 10 volts, repair open Red/White wire. If voltage is more than 10 volts, go to next step.
  4. Connect jumper wire between headlamp time delay relay connector terminals "A" (Red/White wire) and "B" (Light Green wire). If headlamps do not illuminate, repair open Light Green wire. If headlamps illuminate, go to next step.
  5. Disconnect jumper wire. Using an external ohmmeter, check resistance of Red/Dark Blue wire between headlamp time delay relay connector terminal "E" and BCM Gray connector terminal No. 2. If resistance is more than 5 ohms, repair open Red/Dark Blue wire. If resistance is less than 5 ohms, replace headlamp time delay relay.
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