Multi Meter Ground Issue?
onetabmat
May 5 2019, 03:31 PM
Learning Roadie
 Posts: 292
Joined: 30-July 18
From: UK
Hi I’m having some ground issues with my wiring on my build and will probably need to meter it to find the fault, if I were to use a multi meter how do I find it? I’ve never used one.
From what I’ve seen I’ll need to check continuity for ground.
Do I place black on output sleeve and red tip on part testing?
Do I look for anything other than 0l? Not sure what I’m looking for?
Thanks in advance

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Adam
May 5 2019, 04:47 PM
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 Posts: 1.045
Joined: 13-October 18
From: Poland
QUOTE (onetabmat @ May 5 2019, 03:31 PM) *
Hi I’m having some ground issues with my wiring on my build and will probably need to meter it to find the fault, if I were to use a multi meter how do I find it? I’ve never used one.
From what I’ve seen I’ll need to check continuity for ground.
Do I place black on output sleeve and red tip on part testing?
Do I look for anything other than 0l? Not sure what I’m looking for?
Thanks in advance

I'm not sure what you mean here. Do you suspect one of the solders is loose or that you're lacking grounding one of the elements?

Please let me know what problem exactly you're having and I'll try to help smile.gif

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onetabmat
May 5 2019, 05:41 PM
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 Posts: 292
Joined: 30-July 18
From: UK
QUOTE (Adam M @ May 5 2019, 04:47 PM) *
I'm not sure what you mean here. Do you suspect one of the solders is loose or that you're lacking grounding one of the elements?

Please let me know what problem exactly you're having and I'll try to help smile.gif


All wired up correctly. But there is buzzing/hum .
If I touch 3 way switch or cavity shielding the hum goes away.
All parts grounded to vol back including one from the bridge .


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Adam
May 5 2019, 06:15 PM
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 Posts: 1.045
Joined: 13-October 18
From: Poland
QUOTE (onetabmat @ May 5 2019, 05:41 PM) *
All wired up correctly. But there is buzzing/hum .
If I touch 3 way switch or cavity shielding the hum goes away.
All parts grounded to vol back including one from the bridge .

Could you provide a photo or a schematic of your cavity? I've had the same thing with my brother's Washburn's stock wiring. Turned out there was a ground loop (if that's the right English term). I just re-wired the whole thing and the problem was gone.

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Posts in this topic
- onetabmat   Multi Meter Ground Issue?   May 5 2019, 03:31 PM
|- - onetabmat   QUOTE (Adam M @ May 5 2019, 06:15 PM) Cou...   May 5 2019, 06:31 PM
|- - Adam M   QUOTE (onetabmat @ May 5 2019, 06:31 PM) ...   May 5 2019, 07:08 PM
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- - yoncopin   That schematic looks ok, I think I may have used t...   May 5 2019, 08:25 PM
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