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Steve
Steve, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 6828
Experience:  30+ yrs. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike program manager, CCI 2001-2004
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I have a 1999 883 hugger brake/taillight not working. bulb

Customer Question

I have a 1999 883 hugger brake/taillight not working. bulb is good fuses are good and getting 12 volts all the way to the bulb socket but still not working
Submitted: 8 months ago.
Category: Motorcycle
Expert:  Louie replied 8 months ago.

Hi and welcome to JustAnswer,

Thank you for the question and your patience. Should you still need assistance for information purposes only...

Initially, it would appear to be a no/poor ground issue. Proposed preliminary tries (if have not been done):

  • • ensure that the +12V is consistent even when loaded;
  • • check/clean bulb socket body;
  • • check/trace the ground line to the brake/taillight;
  • • temporarily run a second ground line from the battery's - terminal to the bulb socket's body.
Customer: replied 8 months ago.
cut wireloom away from entire harness, and check ground wire through entire harness?
Expert:  Louie replied 8 months ago.

Sorry but not necessary. Start with hardwiring another ground line; i.e. a spare wire from the battery's - terminal all the way to the brake/taillight bulb socket's body. This would confirm the no/poor ground connections of the brake/taillight wiring.

Expert:  Louie replied 8 months ago.

Please post back results / observations of the above once tried particularly running a second ground wire from the battery's - terminal all the way to the brake/taillight bulb socket's body.

Thanks

Expert:  Steve replied 8 months ago.

Louie doesn't understand the taillight on your bike doesn't have a standard socket and the ground comes through the tail light circuit board.

- remove either rear turn signal connector from the circuit board and check for a solid ground on the pin to the BLACK wire.

- if not there, check the rear lightning harness....from the tail light to the connector under your seat for any evidence of breaks or tears in the harness. you may ave to remove the rear wheel to do that.

- if it is there, check for bent or broken pins on the circuit card connectors at the taillight.

let e know if you need more help.

Steve