Q5 Check Continuity Between Pin 11 and Stoplamp Switch

- Set ohmmeter on 20 volt scale.

- Step on brake pedal.

- Measure voltage between antilock electronic control unit harness connector Pin 11 and chassis ground.

- Is the voltage greater than 9 volts?

YES -- Greater than 9 volts. Replace antilock electronic control module. Go to Q6.

NO -- Is less than 9 volts. Find and repair high resistance wire. Reinstall all connectors. Go to Q6.