Forums General Discussion W58 Circuit breaker

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    • #68409
      RLeeds
      Participant

      Out cruising this weekend and went to start the engine and absolutely nothing! Checked and found 12v at the starter solenoid(large terminal from battery). Tried jumping the two small terminals on the solenoid and got the starter to turn but no start. Then I looked on the engine and remebered there is a circuit breaker on the top of the engine. I hit that reset button, and was then able to jump the solenoid and get started. Anyone know what that circuit breaker is doing there and what would cause it to blow? Wife used a powerful hair dryer with inverter–wondered if that was the culprit?

      Thanks!

      Rodd Leeds
      Windseeker
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    • #77585
      Hull152_Patrick
      Spectator

      You have a circuit breaker on your engine? Huh… Never seen that before.

      -p

      Sent from my iPhone

      On Sep 5, 2011, at 7:13 PM, Rodd Leeds wrote:

      Out cruising this weekend and went to start the engine and absolutely nothing! Checked and found 12v at the starter solenoid(large terminal from battery). Tried jumping the two small terminals on the solenoid and got the starter to turn but no start. Then I looked on the engine and remebered there is a circuit breaker on the top of the engine. I hit that reset button, and was then able to jump the solenoid and get started. Anyone know what that circuit breaker is doing there and what would cause it to blow? Wife used a powerful hair dryer with inverter–wondered if that was the culprit?

      Thanks!

      Rodd Leeds
      Windseeker
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      Owners no more...
      Thanks Dawn and Patrick!

    • #77586
      patn
      Moderator

      Everyone with a W58 should have a circuit breaker right next to the
      solenoid.
      On Sep 5, 2011 11:11 PM, “Patrick “Peaboy” Walters”
      wrote:
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    • #77587
      quent
      Participant

      There is a wiring diagram in the W-58 manual. Breaker probably also controls the fuel shut off on the fuel injection pump.
      Suggest you check the integrity of the engine wiring.
      Quent

    • #77588
      madsailor
      Moderator

      You probably have a chafed through wire in the harness that runs over the
      top of engine. All Westerbekes have a breaker. It beats a fusible link. I’ve
      seen this on smaller Westerbekes.

      Bob

      I’m not being terse. This is from my mobile.
      On Sep 6, 2011 6:13 AM, “quent” wrote:

      There is a wiring diagram in the W-58 manual. Breaker probably also

      controls the fuel shut off on the fuel injection pump.

      Suggest you check the integrity of the engine wiring.
      Quent

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    • #77589
      Anonymous

      This was my situation in Oriental two years ago on the way south. The
      wiring on the harness leading over the engine to the “button” style breaker had
      frayed, causing the breaker located on the front/port side of my W-60 to
      blow. I have learned that many W-60 & 58 owners are not aware of this
      breaker, due to its somewhat unconventional appearence.

      BILL TICE~in residence ~*I*I*TREEHOUSE *I*I*I*~ Smith Mt. Lake, VA

      In a message dated 9/6/2011 7:32:36 A.M. Eastern Daylight Time,
      writes:

      You probably have a chafed through wire in the harness that runs over the
      top of engine. All Westerbekes have a breaker. It beats a fusible link.
      I’ve
      seen this on smaller Westerbekes.

      Bob

      I’m not being terse. This is from my mobile.
      On Sep 6, 2011 6:13 AM, “quent” wrote:

      There is a wiring diagram in the W-58 manual. Breaker probably also

      controls the fuel shut off on the fuel injection pump.

      Suggest you check the integrity of the engine wiring.
      Quent

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      rg
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    • #77590
      RLeeds
      Participant

      thanks guys– I will check the wiring in the harness. I have noticed
      recently that when I turned the start key the starter did not energize
      immediately, rather it was one or two intermittent attempts before it really
      started to crank over. Maybe there is a short in the wiring. I imagine the
      wires to check would be those from the key switch, so I’ll ck those first.

      Rodd Leeds


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    • #77591
      unabated
      Participant

      Also check to make sure you have clean grounds. Especially the main ground to the engine block.
       Another thing to check, and I found this on my W58 before I replaced the entire harness. On the port side where the engine harness is plugged into the harness from the instrument panel, the rubber on the connecting plug gets cracked, loose, corroded or otherwise disfigured. Make sure it’s clean and fits tight. What led me to this in the first place was I turned the key and had no response and found the plug just a little bit pulled out.
      alan
      UNABATED #140

      — On Tue, 9/6/11, Rodd Leeds wrote:

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    • #77592
      RichCarter
      Participant

      Rodd,
      My boat as originally built with a W-60 had a fuel shut-off solenoid at the top of the fuel tank. I honestly don’t remember if this was wired through one of the breakers on the engine. The solenoid was unreliable and caused the engine to stop for no apparent reason. After removing the solenoid, problems went away. I know there were at least two breakers there, one probably fed the instrument panel, key, and regulator. I think a second breaker fed the refrigeration system. I would assume they wired the W58 the same way.

      If you try to draw too much current from your batteries, the alternator won’t be able to keep the charge level up to 12v. Some smart regulators get unhappy when this happens and can attempt to feed a lot of current into the alternator field windings, as much as 20A. If you’re trying to drive a high-current AC appliance when the engine is at a low speed idle, you might pop the breaker. I drive my engine up to at least 1000RPM when running the microwave. I put in a self-resetting 10A breaker for my regulator.

      Rich


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