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Home >> Jeep >> 1998 >> Grand Cherokee Laredo, 4.0 S, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Cruise Control Systems) >> Self-Diagnostic Tests >> Test TC-82B - Speed Control Solenoid Circuits Or Speed Control Power Relay Circuits

Test TC-82B - Speed Control Solenoid Circuits Or Speed Control Power Relay Circuits

WARNING: This page is about a different car, the 1997 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Perform TEST TC-82A  before proceeding. For connector terminal identification, see CONNECTOR IDENTIFICATION in TESTS W/CODES article in the ENGINE PERFORMANCE section. For component location and wiring diagram, see WIRING DIAGRAMS article in the ENGINE PERFORMANCE section.
  1. Using an external ohmmeter, check resistance of S/C on/off switch sense circuit (Yellow/Red wire) between brakelight switch connector and S/C servo connector. If resistance is more than 5 ohms, repair open S/C on/off switch sense circuit and perform TEST SC-VER . If resistance is 5 ohms or less, go to next step.
  2. Check brakelight switch adjustment. Adjust brakelight switch as necessary and perform TEST SC-VER . If brakelight switch is adjusted properly, replace brakelight switch and perform TEST SC-VER .
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