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Old 11-11-2009, 01:29 PM   #1
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Fishing replacement wires thru inaccessible spaces


I have two ceiling lights both controlled with two wall switches. One light doesn't work, but it's not a bad bulb. I may have a loose wire somewhere behind the drywall or above the ceiling. Trouble is, neither of those spaces are physically accessible to me at all! So how do I fish a replacement wire between the ceiling fixtures and/or one or both of the wall switches?

Right now, I don't even remember how the lights and switches would be connected, physically! How many wires are there, between all four components? I used to remember the wiring for a setup like this but I forgot!

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Old 11-11-2009, 01:37 PM   #2
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Fishing replacement wires thru inaccessible spaces


Buy a Continuity tester they are cheap and make sure thats your problem they are around $10.00 HD or Lowes

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Old 11-12-2009, 06:24 AM   #3
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Fishing replacement wires thru inaccessible spaces


Before busting into your drywall, check the lightswitch. Is voltage present at the switch? If so, bridge the switch terminals with a test lead. Not a bad switch? Check the light fixture connections, socket, etc...
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Old 11-12-2009, 08:10 AM   #4
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Fishing replacement wires thru inaccessible spaces


Very seldom do cable go bad. The problem is most likely in a junction box somewhere.
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Old 11-12-2009, 08:16 AM   #5
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Fishing replacement wires thru inaccessible spaces


Is it a recessed light?
Check to see if that middle tab (hot tab) has been pushed down & is not making contact
If not, pry it up a little - I'd make sure power is off when you do this

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Old 11-12-2009, 09:03 AM   #6
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Fishing replacement wires thru inaccessible spaces


If you can't determine where the problem is, might want to call an electrician.

Troubleshooting is advanced electrical work, but easy for an electrician, so shouldn't cost too much.

And probably not a problem with the wire in the wall as said above (if the wiring was installed to code).

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