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Grounding a Precision Guitars LP

 
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Tele Savalas



Joined: 02 Dec 2003
Posts: 3056
Location: Virginia

PostPosted: Sat Dec 05, 2015 12:14 pm    Post subject: Grounding a Precision Guitars LP Reply with quote

Guys, if there is anyone among you who has built a guitar from, Precision Guitars, I'd like to know how you fixed a ground wire to the bridge post. The bushing protrudes into the channel between the bridge pickup cavity and the control cavity. I'm using a chrome-plated TonePros bridge, and soldering isn't cutting it.
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guitarguy



Joined: 29 Apr 2004
Posts: 3515
Location: Colorful Colorado

PostPosted: Sat Dec 05, 2015 1:06 pm    Post subject: Reply with quote

Stripped wire goes in the hole of the tailpiece from the bottom up, then press the ferrule/stud into the hole from the top. The stripped wire will make contact with the stud and youve got a ground wire. Use a volt meter to check it if you must. Works for me all the time.
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Tele Savalas



Joined: 02 Dec 2003
Posts: 3056
Location: Virginia

PostPosted: Sat Dec 05, 2015 1:36 pm    Post subject: Reply with quote

Precision Guitars doesn't drill a hole to the tailpiece. I slid the stripped end of a wire up through the bushing hole for the bridge and pounded the bushing in alongside it. That should do it.
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marksound



Joined: 15 Aug 2005
Posts: 16669
Location: OKUSA

PostPosted: Sat Dec 05, 2015 2:07 pm    Post subject: Reply with quote

Tele Savalas wrote:
Precision Guitars doesn't drill a hole to the tailpiece. I slid the stripped end of a wire up through the bushing hole for the bridge and pounded the bushing in alongside it. That should do it.


That's what I did on this one. The wiring channel ran right under the treble side bridge stud hole, so it was a no-brainer.


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Tele Savalas



Joined: 02 Dec 2003
Posts: 3056
Location: Virginia

PostPosted: Sat Dec 05, 2015 5:50 pm    Post subject: Reply with quote

Beautiful finish, Mark.

I'm having terrible buzzing and I'm not sure where it's coming from. I splurged on a pre-wired "modern Les Paul" harness from RS Guitarworks for this one. When I plug it in there is loud hum regardless of the volume settings. Never had this issue before and it's really bugging me. I tried another switch but same problem.
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marksound



Joined: 15 Aug 2005
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Location: OKUSA

PostPosted: Sat Dec 05, 2015 6:21 pm    Post subject: Reply with quote

Tele Savalas wrote:
Beautiful finish, Mark.

I'm having terrible buzzing and I'm not sure where it's coming from. I splurged on a pre-wired "modern Les Paul" harness from RS Guitarworks for this one. When I plug it in there is loud hum regardless of the volume settings. Never had this issue before and it's really bugging me. I tried another switch but same problem.


I know you know to check, but is it possibly reversed wires at the jack?
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Action-Cashin



Joined: 28 Nov 2005
Posts: 1521
Location: Austin, TX

PostPosted: Sat Dec 05, 2015 11:55 pm    Post subject: Reply with quote

...Just wondering, should you tin the wire that goes into the bridge bushing,
or will it be OK with just stripped bare wire?
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Tele Savalas



Joined: 02 Dec 2003
Posts: 3056
Location: Virginia

PostPosted: Sun Dec 06, 2015 6:45 am    Post subject: Reply with quote

Mark, I double-checked the jack wiring but might just switch them for the hell of it. The ground wire is OK without tinning (solid core, not braided).
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Kregg



Joined: 22 Apr 2008
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Location: Atlanta

PostPosted: Sun Dec 06, 2015 7:24 am    Post subject: Reply with quote

Check wire dress; too long a wire and such, ground wires not running parallel.
Also, look for a loose ground, or cap connection, then, I'd move on to the jack switch.
One time my solder seeped through the pushback cloth and shorted out the pickup. Evil or Very Mad
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ajeffcote



Joined: 09 Nov 2009
Posts: 2184
Location: Baytown,Tx

PostPosted: Sun Jan 03, 2016 3:22 pm    Post subject: Reply with quote

I bet you already tried a different instrument cable. Just a wild thought, but are the pots grounded with a buss wire AND on pick guard shielding? Could be a ground loop.
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