Colin Trundle
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Hubcap grounding issues

Started this discussion. Last reply by darryl kernaghan Oct 23, 2017. 13 Replies

Hi,I'm just finishing building my first hubcap guitar but I'm having issues with the wiring and hope someone can suggest a solution. I've got a basic single coil pickup with a volume control, I've…Continue

 

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darryl kernaghan replied to Colin Trundle's discussion Hubcap grounding issues
"No, if you are direct to jack, no loop, perhaps your hum is from an outside source, flouro lights etc, try it with lights off , or another room where there is less electrical equipment to interfere"
Oct 23, 2017
Colin Trundle replied to Colin Trundle's discussion Hubcap grounding issues
"Don't know about a ground loop, how would I check to see if this is the case? I've just tried wiring the pickup directly to the output Jack. There's only a very quiet hum (sounds like when I my 6 string is plugged in) but no sound…"
Oct 23, 2017
darryl kernaghan replied to Colin Trundle's discussion Hubcap grounding issues
"Just 1 thing i didn't mention above, is the chance you have a ground loop, not normally an issue with a metal guitar, but it comes up at times when 1 fixture is isolated from the steel body, and the grounding goes to it, and returns to the…"
Oct 21, 2017
Colin Trundle replied to Colin Trundle's discussion Hubcap grounding issues
"Hi Thanks everyone for your help. I've changed the lead from my amp and I've been back over my wiring and resoldered everything, all the connections seem solid enough. The hum/buzzing has almost gone but there is no sound at all from the…"
Oct 21, 2017
JL replied to Colin Trundle's discussion Hubcap grounding issues
"scratchy/crackle while playing sounds are from a bad contact, a loose jack, bad instrument wire partially proken inside, a volume pot gone dirty will crackle as you turn the knob.  a bad solder joint will vibrate and make intermittent contact…"
Oct 17, 2017
darryl kernaghan replied to Colin Trundle's discussion Hubcap grounding issues
"That sounds like a bad joint, or even a bad lead from git to amp, crackle almost always indicates something moving or intermittant contact, and sometimes a bad pot, eliminate them 1 by 1, I'd start by checking your lead with another git, then,…"
Oct 16, 2017
Colin Trundle replied to Colin Trundle's discussion Hubcap grounding issues
"I've now been back over my wiring and it looks OK (not the neatest soldering you'll ever see but they joints seem solid enough). I've tried connecting the pickup directly to the jack, the buzz has quietened down quite a bit but…"
Oct 16, 2017
Colin Trundle replied to Colin Trundle's discussion Hubcap grounding issues
"Hi JL, touching any of the parts does reduce the buzzing, I've tried another cable and it's the same, when I plug my commercially produced guitar into my amp there is a very faint hum but nowhere near as load as with the hubcap. I think I…"
Oct 16, 2017
Colin Trundle replied to Colin Trundle's discussion Hubcap grounding issues
"Thanks, I'll double check my wiring"
Oct 16, 2017
Colin Trundle replied to Colin Trundle's discussion Hubcap grounding issues
"Thanks Darryl, I'll have to go through all my soldered joints etc, I'm a beginner when it comes to soldering so it's likely to be soldering related"
Oct 16, 2017
JL replied to Colin Trundle's discussion Hubcap grounding issues
"does touching the strings, metal part of the volume knob, metal cover on the instrument cable or the hex nut for the jack change the sound? have you tried a different instrument cable? does the same cable and amp not make noise when you plug in your…"
Oct 16, 2017
ChickenboneJohn replied to Colin Trundle's discussion Hubcap grounding issues
"Sound like would may have reversed the hot and ground wires."
Oct 16, 2017
darryl kernaghan replied to Colin Trundle's discussion Hubcap grounding issues
"Normally, no, steel body guitars are usually better for grounding for that very reason, a couple of things i'd check though, 1st, are the strings being grounded, or have you insulated them from the body? 2nd is a bit more involved, you may have…"
Oct 15, 2017
Colin Trundle posted a discussion

Hubcap grounding issues

Hi,I'm just finishing building my first hubcap guitar but I'm having issues with the wiring and hope someone can suggest a solution. I've got a basic single coil pickup with a volume control, I've followed various wiring guides online regarding grounding etc but I still get a massive buzzing when I plug it in. I'm wondering if this is because the whole thing is basically a metal box? Should I insulate the components from the metal body so that just the ground wires are in contact with it?ThanksSee More
Oct 15, 2017

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