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Post by lpf3 on Feb 21, 2010 15:23:14 GMT -5
Gents- It's probably just me but I'm a little stumped by this switch- It's an Oak-Grigsby single wafer superswitch, EP-0479-000, & it's like a stock Strat 5-way except it gets N + B in the middle position. It's easy enough to relate the contacts to the lugs & see how to wire it except for in position 1. As you can see in the picture, in that position the contacts aren't (don't seem to be) in contact with any of the lugs, & that's where it loses me. What am I missin'? Anybody familiar with this switch? Thanks- -lpf3
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Post by newey on Feb 21, 2010 22:33:04 GMT -5
lpf3- Ah yes, the so-called "half superswitch". Whether it gets N+B in the middle depends, of course, on how one wires it. I don't recall seeing a lug diagram for this switch, there may be one around somewhere. But your best bet is the trusty multimeter. Check for continuity (i.e., zero resistance or close to it, versus over-limit when no connection is made) between the 2 sets of 4 lugs and the common terminals (the ones which are spaced apart from each set of 4 lugs. Make a chart of "what connects to what" in each position of the switch, and you'll then have the info you need to wire it. And, you're right, in your photo it does indeed look as if no contact is being made. Check it with the meter, that will tell the tale. If none of the lugs make contact with the commons in position 1, then you got a bum switch.
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Post by lpf3 on Feb 22, 2010 0:28:17 GMT -5
newey- I get continuity in positions 2-5 & each contact is so easy to see that you can easily see where to wire the pup leads & where to wire the jumpers for it all to work. Then there's pos. 1; which makes no contact & reads O.L. no matter where I check it........ I thought the same thing so I ordered a second switch, & it's identical to the first one- and they're identical to the one in their ad: www.guitarpartsresource.com/electrical_leverswitches.htm(It's the one at the bottom right corner......) That's why I think I'm missin' something or perhaps the function of the switch is misrepresented?.............(doesn't seem so..) I've emailed them for a diagram but in the meantime- any ideas? Thanks -lpf3
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Post by newey on Feb 22, 2010 6:09:15 GMT -5
It does seem strange that there are only 4 lugs per pole. I haven't seen many places that carry this switch, but take a look at this one from Acme Guitar Works: www.acmeguitarworks.com/Switch_Oak-Grigsby_5-Way_Si_P402C10.cfmIt seems to be described the same as yours, they don't give an Oak Grigsby Part No. so I can't be sure it's identical to yours. But it does feature 5 lugs!
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Post by lpf3 on Feb 22, 2010 9:56:20 GMT -5
newey- Thanks for the link- and the picture. You can clearly see the lug assignments on this one & this switch will work as advertised; I just ordered one. As for the other switch- I really think that pos. 1 is an off position & won't work as advertised; I wish I hadn't bought 2 of 'em. Let's see if I get a response from Guitar Parts Resource- & if they'll let me return their switch. -lpf3
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Post by gumbo on Feb 23, 2010 5:11:40 GMT -5
Um....not (originally) meant for one of those "funny" Tele set-ups???
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Post by sumgai on Mar 1, 2010 2:04:10 GMT -5
Ya know, it seems kinda funny....... I went to the home site of the maker of these switches, Electroswitch (they bought out Oak-Grigsby in 2003). They don't show any models that have only four terminals on a 5-position frame. I wonder who the actual manufacturer of these switches might be? Either that, or a bunch of switches left the factory with some missing terminals. Possibly for another reason (an industrial customer requested that peculiar design?), or just bad quality control that month(!!), but in any event, this switch has very limited possibilities, IMHO. HTH sumgai
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