Caravan V6-181 3.0L SOHC VIN 3 FI (1987)
Brake Switch (Cruise Control): Testing and Inspection
1986-87 Mini-Vans/Wagons
1. Connect negative lead of a voltmeter to chassis ground.
2. Turn ignition switch and speed control switch to On position.
3. Check for 12 volts at blue and blue/red wires of stop lamp switch electrical connector. If 12 volts is indicated at only one one terminal, actuate
brake pedal and ensure a click is heard just before pedal reaches return stop. If click is not heard, adjust or replace switch as necessary. If no
voltage is indicated at either terminal, check condition of speed control fuse and replace if necessary.
4. Measure voltage at pin No. 4 of electronic module electrical connector. Voltmeter should indicate .5 volt with brake pedal fully released and 12
volts with brake pedal depressed and the brake lights illuminated. If voltage readings are not as specified, check brake lamp circuit fuse, brake
lamps, clutch switch and brake switch adjustment and make necessary repairs and/or adjustments.
