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Home >> Dodge and Ram >> 1994 >> Dakota WS, 2.5 G >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Cruise Control System) >> Testing >> Speed (Cruise) Control Circuit
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Speed (Cruise) Control Circuit

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect Powertrain Control Module (PCM) 60-pin connector. Connect negative lead of voltmeter to known good chassis ground. Turn ignition on. Using positive lead of voltmeter, probe PCM connector terminal No. 33 (Tan/Red wire).
  2. With speed (cruise) control switch in OFF position, voltmeter reading should be zero volts. With switch in ON position, reading should be battery voltage. Repair circuit as necessary.
  3. Using positive lead of voltmeter, probe PCM connector terminal No. 53 (Light Green/Red wire). With speed (cruise) control switch in OFF position, voltmeter reading should be zero volts. With switch in ON position, reading should be battery voltage. Repair circuit as necessary.
  4. Using positive lead of voltmeter, probe PCM connector terminal No. 48 (Brown/Red wire). With speed (cruise) control switch in OFF position, voltmeter reading should be zero volts. With switch in ON position, reading should be battery voltage. Pressing SET/COAST button should cause voltmeter reading to change from battery voltage to zero volts as long as switch is held. Replace switch or repair circuit as necessary.
  5. Using positive lead of voltmeter, probe PCM connector terminal No. 50 (White/Light Green wire). With speed (cruise) control switch in OFF or ON position, voltmeter reading should be zero volts. With switch in either RESUME or SET position, reading should be battery voltage. Replace switch or repair circuit as necessary.
  6. Using positive lead of voltmeter, probe PCM connector terminal No. 49 (Yellow/Red wire). With speed (cruise) control switch in OFF position, voltmeter reading should be zero volts. With switch in ON position, reading should be battery voltage. With switch in either RESUME or SET position, reading should be battery voltage. Replace switch or repair circuit as necessary.
  7. Turn ignition off. Connect one lead of ohmmeter to good chassis ground. Using other lead, probe PCM connector terminal No. 29 (White/Pink wire). With brake pedal released, ohmmeter should indicate continuity. With brake pedal depressed, ohmmeter should indicate no continuity (open circuit). Replace switch or repair circuit as necessary.
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