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Home >> Honda >> 1986 >> Civic Base, 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Anti-AFTERBURN System >> Component Testing >> Vacuum Switch B
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Vacuum Switch B

  1. Disconnect vacuum hose to vacuum switch B and connect a hand vacuum pump to hose. Apply vacuum to switch. Check for voltage at Brown/White wire (1300/1500 HF) of vacuum switch A.
  2. Voltage should be available when vacuum below 10 in. Hg is applied. If there is no voltage, replace vacuum switch B and retest.
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