Test FD: Step 14
14) Check BOO Circuit For Short to Power at Harness Connector Turn key off and wait 10 seconds. Disconnect BOO circuit harness connector. Set DVOM on 20-volt scale. With KOEO, measure voltage between BOO circuit at harness connector and chassis ground with brake pedal released. If voltage is less than 1.0 volt, go to next step. If not, verify operation of brake switch. If okay, repair short to power. Reconnect harness connector and repeat QUICK TEST.