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What are good grounds?

  • Thread starter Thread starter robdsuzuki
  • Start date Start date
R

robdsuzuki

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Sorry for such a basic question. But I am just now learning all about motorcycle electric. I am really enjoying the learning. And all of your help. I read a lot about "make sure you have good grounds". What makes a ground good or bad? Thanks - Rob.
 
robdsuzuki said:
Sorry for such a basic question. But I am just now learning all about motorcycle electric. I am really enjoying the learning. And all of your help. I read a lot about "make sure you have good grounds". What makes a ground good or bad? Thanks - Rob.
Click to expand...

Bare, corrosion free metal.
 
A stainless steel star washer on either side of your terminal lugs. They dig in real good and insure a good ground.
 
A good ground will have no resistance when measured with a ohmeter from two different points, such as a terminal connected to a wire and that wire then connected to the frame. Although some grounding circuits will have some resistance and can function OK, ideally a grounding circuit with no resistance would be optimal, as resistance can cause such problems as
poor lighting, sluggish starting, and may even cause a circuit to fail if the resistance is too high. These are usually referred to as "dirty" grounds. Resistance in wiring when there shouldn't be any causes voltage drops.
A ground provides a path to complete an electronic circuit. If you have
a poor ground that circuit could fail, the usual causes are rust or corrosion
on mating surfaces, corroded or faulty wiring (only a few unbroken strands to allow current flow), paint on frame not allowing metal to metal contact with a terminal. Loose connections, etc.
A good ground should be tight, the metal should be non corroded and shiny.
 
Thank you all very much. Appreciate your time teaching and advising. Rob
 
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