Occasionally one or more of the
backlight bulbs will go out in a K bike instrument cluster.
The usual suspect is that one of the bulbs has gone bad.
However, sometimes the wiring has failed to one or more of
This diagram shows the polarity
of backlighting bulbs looking at the instrument cluster from
By removing all of the backlight
bulb holders and using a continuity tester between all of
the sockets you can determine where the wiring has failed.
If it has then an easy approach to fixing them is to take a
piece of wire, strip both ends and jump it from a known good
connection to a known bad one by sticking the exposed wire
ends under the bulb holders when you reinstall them.
When putting the bulb holders back in be sure to check that
the copper foil "flaps" on each side have not been folded
For example if one of the lower
bulbs does not have good power then you can jump it with a
wire from a known good one:
© 2013 Drake Smith - Please do
not use or reproduce this elsewhere. Feel free to link
to it though.