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Louie
Louie, Technician
Category: Motorcycle
Satisfied Customers: 12458
Experience:  25+ yrs. experience
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2010 concours, fuel gauge stopped working. runs the same.

Customer Question

2010 concours, fuel gauge stopped working.
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: runs the same. gauge always says it's empty.
JA: What is the model of your '10 motorcycle?
Customer: non-abs.
JA: Are you fixing your bike yourself? What have you tried so far?
Customer: nothing. Like to do it myself. Stuck float, or something with sending unit?
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 6 months ago.
Category: Motorcycle
Expert:  Louie replied 6 months ago.

Hi and welcome to JustAnswer, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.

Initially, let's try check and review the basics. Proposed preliminary tries (if have not been done):

  • ensure that the fuel sender's black/yellow wire is tied to a good ground point;
  • trace the sender's white/yellow wire to the fuel gauge;
  • and test continuity/integrity of the wire/connectors.

For test purposes:

  • momentarily touch to ground the gauge's white/yellow wire - gauge should show full tank;
  • if not a likely gauge issue;
  • momentarily touch to ground the sender's white/yellow wire - gauge should show full tank;
  • if yes sender has an issue;
  • if not, continuity of white/yellow wire would be suspect.