need oday 20' wiring diagram

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Aug 14, 2012
8
1977 O Day 20' Toledo Bend Reservoir east texas
Hi All , and thank you all for the help . As is mostly the case , some small thing small , gets bigger and bigger , That is the case with the mast light not working . It looks like its a problem between where it go's in the roof to the swith . Any one have the wiring diagram for the oday 20' or 22' , all those red wires look good , but how do thay all go ? It looks like it go's to the back white running light .
 
Jan 24, 2005
4,881
Oday 222 Dighton, Ma.
Hi All , and thank you all for the help . As is mostly the case , some small thing small , gets bigger and bigger , That is the case with the mast light not working . It looks like its a problem between where it go's in the roof to the swith . Any one have the wiring diagram for the oday 20' or 22' , all those red wires look good , but how do thay all go ? It looks like it go's to the back white running light .
The mast light should be on a circuit by itself with a black ground wire and a red positive going to the light from the circuit panel.

All the blacks are connected together near the panel on my boat with the minus from the battery, The red positive wires are coming out of circuit breakers to the lights. Your bow and stern lights should be coming from another breaker on the panel. All those circuits are very simple on my boat with blacks and reds going to lights and etc. Your boat should be set up in the same way.

Joe
 
Aug 8, 2012
69
Oday 20 My garage
I had to deal with this all on my o'day 20. It is pretty much up to you as to how you want it wired. A mast light I do not believer to be required with this height of boat but it is your choice if you want it on its own switch or in combination with the anchor light on the stern. I set mine up all on separate switches so I can control them individually and all the red (hot) wires go to switches and the black (neutral) go together. Hope that helps.

Scott
 
Oct 2, 2008
1,424
Island Packet 31 Brunswick, Ga
1 Doubt a specific diagram would help much.

2 Basically there is a red "hot" from the battery to the fused switch plate. Off the switch plate comes the hot for each circuit, red. Then from the circuit to a "bus/block" for your grounds. Off this block, in similar fashion, goes a single black ground to the battery ground. So what you end up with is this sequence; battery pos terminal, hot wire, switch, fuse, hot wire, load, black ground wire, neg ground bus/block, ground wire to battery, neg battery terminal. If you didn't use a bus, you would be trying to connect all those ground wires to your battery. Sometimes all the ground wires tie into a single ground wire without the bus. But then you have a big wad of wires tied in together. A buss is better. But you will always have the switch plate. It is the simplest way to get the switch and fuses between the battery and the load.

3. And on my boat, I could not run the "new" hot red wire to the mast under the cabin liner, as the wires were run then the boat put together. They weren't worried about us years later, they only wanted to build fast and cheap. I had to go outside the liner, seeking along cracks, corners etc.

4 if you r not familiar with 12 volt circuits get some help, or order the book from don Casey on sailboat electrics. Once "2" above makes sense to you, then You can do it. But not before that. Then it is Ike a puzzle and you just have to get in there, take it apart, and put it back together.
 
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