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 Help with the DC system please...		  New Topic  Topic Locked
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frants
1st Mate

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USA
55 Posts
Initially Posted - 08/08/2005 :  00:55:17  Show Profile  Visit frants's Homepage
Okay, my -83 C25 is full of wires and connectors and a bunch of wires that are not connected. Does anyone have an "easy" explanation as of how the system works? F.ex. do the wires from the running lights run to the grill next to the batteries and then to the switch...and power from the battery to the grill? A good deal of the wiring looks kinda homebrewed and I'd like to simplyfy it. Any ideas? Thank you Frants
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aeckhart
Master Marine Consultant

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1709 Posts
Response Posted - 08/08/2005 :  10:01:34  Show Profile  Visit aeckhart's Homepage
If you want to rework everthing you should start with the basic wire diagram found in the owners manual. Check the archives and various sections of this web site. You'll find it. Once you have the basic Catalina wiring diagram scoped out you can rewire the PO's bird's nest. I suspect that most of the extra wiring is from accessories the PO didn't want to give up when he sold the boat and removed. Trace these from the electrical panel to their terminous. They could be for speed/depth instruments, compass light, radio, auto pilot, stereo,all of which are mounted generally in the same place in our boats. If you don't need any wirs beyond these discard them.
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Buzz Maring
Master Marine Consultant

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USA
1768 Posts
Response Posted - 08/08/2005 :  10:49:24  Show Profile
Hi Frants,

I agree with Al ... here are some links to get you started: [url="http://www.catalina25-250.org/manbro/pictures/owners11.gif"]Lighting Wiring Schematic[/url] and [url="http://www.catalina25-250.org/manbro/pictures/owners12.gif"]Battery Selector Switch and 12v Panel Wiring Schematic[/url]

Fortunately, the DC system is pretty simple, so even an electrically-challenged person like myself can understand it

<font color="blue">A good deal of the wiring looks kinda homebrewed and I'd like to simplify it. - Frants</font id="blue">

There is no telling what a PO might have done to your system ... take a look at the non-working stuff I pulled out of my electrical system!



Finally, if you don't have a voltmeter/circuit tester, I highly recommend getting one (Radio Shack, Harbor Freight Tools, auto parts store, WalMart, etc.) ... they are easy to use, they don't cost much, and they can save you hours of time and frustration.

Good luck with your project ... let us know how it turns out!
Edited by - Buzz Maring on 08/08/2005 10:57:28
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frants
1st Mate

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USA
55 Posts
Response Posted - 08/08/2005 :  14:43:39  Show Profile  Visit frants's Homepage
Thank you for your help, the wires on the picture look very familiar Frants<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Buzz Maring</i>
<br />Hi Frants,

I agree with Al ... here are some links to get you started: [url="http://www.catalina25-250.org/manbro/pictures/owners11.gif"]Lighting Wiring Schematic[/url] and [url="http://www.catalina25-250.org/manbro/pictures/owners12.gif"]Battery Selector Switch and 12v Panel Wiring Schematic[/url]

Fortunately, the DC system is pretty simple, so even an electrically-challenged person like myself can understand it

<font color="blue">A good deal of the wiring looks kinda homebrewed and I'd like to simplify it. - Frants</font id="blue">

There is no telling what a PO might have done to your system ... take a look at the non-working stuff I pulled out of my electrical system!



Finally, if you don't have a voltmeter/circuit tester, I highly recommend getting one (Radio Shack, Harbor Freight Tools, auto parts store, WalMart, etc.) ... they are easy to use, they don't cost much, and they can save you hours of time and frustration.

Good luck with your project ... let us know how it turns out!

<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.