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Test SC-1B - Checking Speed Control Operation

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon and 1995 Dodge Ram Van. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect brake switch 6-pin connector. Check connector for damaged, pushed out or miswired terminals. Repair as necessary. Perform VERIFICATION TEST SC-VER  . If connector is okay, turn ignition on. Press speed control switch on.
  2. With DRB in voltmeter mode, probe brake switch connector terminal No. 1, speed control on/off switch sense circuit (Yellow/Red wire). If voltage is less than 10 volts, repair open in Yellow/Red wire. Perform VERIFICATION TEST SC-VER  .
  3. If voltage is greater than 10 volts, turn ignition off. Using an ohmmeter, check resistance of brake switch connector terminal No. 4, speed control brake switch output circuit (Dark Blue/Red wire). If resistance is greater than 5 ohms, repair open in Dark Blue/Red wire. Perform VERIFICATION TEST SC-VER  . If resistance is less than 5 ohms, replace brake switch. Perform VERIFICATION TEST SC-VER  .