Forums General Discussion Bow light wiring?

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    • #68596
      RLeeds
      Participant

      noticed my bow light was out– bulb had burned out and was half white in color–previously a clear bulb! I used my VOM and detected a short since there is continuity between the + and – with switch off. At $24 per bulb I would rather not place a new one in there and have it blow out! I see there is a terminal block in the anchor locker on the port side up under the deck. I cleaned this off, detached the two wires going to the bow light (mine is an Aqua Signal mounted on the pulpit). These wires tested good. When I tested the remaining wires that run back below I found that there was continuity in those 2 wires( I removed them from the terminal block for the test) Anyone have a wiring diagram that shows where these bow light wires go before the circuit breaker switch?.

      My question is does anyone know where to trace those wires so that I can look for a short somewhere in that run? Note that my stern light (which runs off the same circuit breaker as the bow light) works fine?? I would think that if there were a short in the bow light the stern light would blow as well? Any help here is appreciated!!

      Thanks!

      Rodd Leeds
      Windseeker
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    • #78683
      john stevenson
      Participant

      Rodd,
      You probably need to start with the distribution panel in the aft cabin
      hanging locker. The wire from the running lights circuit breaker should go
      to one of the terminal strips in this locker and then be connected to the
      wires going to the stern and bow lights.
      If you have the original Perko lights in the bow I would use this
      opportunity to replace them with lights on the bow pulpit and get that
      wiring out of the anchor locker.
      Here is what I did:
      http://www.svsarah.com/Sarah/ewUpgradeDeckRig.htm#Bow_Running_Lights_and_Bow_Rail_Re-bed_

      Regards,
      John Stevenson
      http://www.svsarah.com

      On Mon, Jul 23, 2012 at 5:04 PM, Rodd Leeds wrote:

      noticed my bow light was out– bulb had burned out and was half white in
      color–previously a clear bulb! I used my VOM and detected a short since
      there is continuity between the + and – with switch off. At $24 per bulb
      I would rather not place a new one in there and have it blow out! I see
      there is a terminal block in the anchor locker on the port side up under
      the deck. I cleaned this off, detached the two wires going to the bow
      light (mine is an Aqua Signal mounted on the pulpit). These wires tested
      good. When I tested the remaining wires that run back below I found that
      there was continuity in those 2 wires( I removed them from the terminal
      block for the test) Anyone have a wiring diagram that shows where these
      bow light wires go before the circuit breaker switch?.

      My question is does anyone know where to trace those wires so that I can
      look for a short somewhere in that run? Note that my stern light (which
      runs off the same circuit breaker as the bow light) works fine?? I would
      think that if there were a short in the bow light the stern light would
      blow as well? Any help here is appreciated!!

      Thanks!

      Rodd Leeds
      Windseeker
      _______________________________________________
      maillist mailing list

      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

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      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

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    • #78684
      unabated
      Participant

      If remember on mine the bow light wire leaves the dist. Panel and runs along the stb wire way all the way to the bow before it crosses over to the port side inside the aft portion of the anchor locker.
      Alan
      Unabated


      Sent from my Verizon Wireless mobile phone


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    • #78685
      madsailor
      Moderator

      Probably the best solution is to run a new wire from the panel on – some of
      the wires in the Pearson are plain copper and need to be replaced with
      tinned wire.

      Bob

      On Mon, Jul 23, 2012 at 5:27 PM, Alan wrote:

      Quote:
      If remember on mine the bow light wire leaves the dist. Panel and runs
      along the stb wire way all the way to the bow before it crosses over to the
      port side inside the aft portion of the anchor locker.
      Alan
      Unabated


      Sent from my Verizon Wireless mobile phone


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    • #78686
      quent
      Participant

      I agree with Bob, time to replace the wire if it is original with one continous run of tinned boat wire. Your bow pulpit light is probably a replacement as the original bow running lights were in the hull on P-424s. If the wire runs inside the bow pulpit, I’d check the hole near the light assembly where the wire exits the bow pulpit. May have chafed through the wire insulation.
      Quent
      S/V Clairebuoyant #132

    • #78687
      RLeeds
      Participant

      Thanks all — sounds like it’s time to replace the entire run forward from
      the switch at the panel. Quent, I did check for chafe at the bow pulpit,
      and there was none– that short run from the terminal block in the anchor
      locker to the light itself was good. The problem lies in the long run up
      from the panel (of course!!). Now I need to go back and measure length I
      need before ordering from Genuinedealz. I imagine a 12ga wire should do it?
      (bulb is 25 watt for the Aqua Sig series 40).

      I figure it is probably easier to run the wires down and through the bilge
      then up to the water tank area then on up to the anchor locker. I can follow
      the path I used to run my 00 cable to my windlass!

      Rodd Leeds

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    • #78688
      madsailor
      Moderator

      Run it through the wire guides is easiest and you can use the old wire to
      pull the new.

      I’m not being terse. This is from my mobile.
      On Jul 24, 2012 8:38 AM, “Rodd Leeds” wrote:

      Thanks all — sounds like it’s time to replace the entire run forward from
      the switch at the panel. Quent, I did check for chafe at the bow pulpit,
      and there was none– that short run from the terminal block in the anchor
      locker to the light itself was good. The problem lies in the long run up
      from the panel (of course!!). Now I need to go back and measure length I
      need before ordering from Genuinedealz. I imagine a 12ga wire should do
      it? (bulb is 25 watt for the Aqua Sig series 40).

      I figure it is probably easier to run the wires down and through the bilge
      then up to the water tank area then on up to the anchor locker. I can
      follow the path I used to run my 00 cable to my windlass!

      Rodd Leeds

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    • #78689
      quent
      Participant

      Before you pull the wire:
      Are the bow and stern lights on the same breaker? If so, there would be continuity through the stern light bulb unless you remove the bulb since they are in parallel.
      If there is a bad wire short, it should trip the breaker, not burn up the bulb.
      Quent

    • #78690
      RLeeds
      Participant

      good point Quent ! Yes they are as well as the compass light. All three
      come on when I throw the switch for “Running lights”. I will check before
      pulling the new wire! Hopefully you have saved me a bothersome job!

      Rodd


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    • #78693
      RLeeds
      Participant

      Well, seems Quent was correct! Turns out the continuity was in fact due to
      the stern light being attached to the same breaker/switch as the bow light!
      Thanks Quent!! New bulb and good to go!

      Rodd


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