Yamaha F150B Service Manual
Also see for F150B: Owner's manualService manualOwner's manual
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Contents
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5-49ELEC Electrical system7. Connect the positive battery lead to theterminal f, and the negative battery leadto the terminal b, and then check thePTT relay for continuity. Replace the PTTrelay if out of specification.8. Connect the PTT relay coupler, batterypower source, ground lead, and PTTmotor leads.9. Install the PTT relay and junction boxcover.Checking the PTT switch (on bottomcowling)1. Disconnect the PTT switch coupler a.2. Measure the input voltage between thePTT switch coupler terminal and ground.3. Check the PTT switch for continuity.Replace the PTT switch if out of specifi-cation.4. Remove the junction box cover.5. Disconnect the PTT relay coupler e.6. Check the wiring harness for continuity.PTT relay continuity:a b c dG/W GLgSbcadbafeaRPTT switch input voltage:Red (R)–Ground12.0 V (battery voltage)SwitchpositionTerminalb c dUPFreeDNLgRSbcdbe |
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