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post #1 of 3 Old 07-15-2009, 12:44 PM Thread Starter
Martin's Avatar
Join Date: Mar 2006
Location: NorOntario
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K4 DL650 wiring schematic


Can someone please help me interpret the wiring schematic?

I'm trying to determine what caused fuse #5 (signal lights, instrument cluster, heated grips) to blow a couple of weeks ago; it's been OK since I replaced it.

The schematic shows an orange/green-tracer wire on one side of the fuse and an orange wire on the other... neither of which seem to lead to the signal lights which were out. The O/G wire does lead to the heated grips and instrument cluster so that makes sense.

And the black (hot/left) and light green (hot/right) wires of the signal lights don't seem to lead to any fuse at all?

Note that the schematic I'm looking at is from the K4 service manual and my bike is a K5 but I thought there were no changes between those model years. If that's a wrong assumption, let me know.



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post #2 of 3 Old 07-15-2009, 01:38 PM
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The orange wire is only protected by the main fuse. The O/G wire is protected by the signal fuse #5. The O/G wire feeds the two brake switches, the ignition switch for turning the lights on other than the headlights (the headlight switch uses the orange wire), and the instrument lights. The ignition switch takes the O/G wire and connects it to the brown wire to feed all those non head lights, including the turn signals out of the flasher which is fed by a brown wire and outputs a light blue wire to the signals switch.

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post #3 of 3 Old 07-15-2009, 03:00 PM Thread Starter
Martin's Avatar
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So, the orange wire gets connected to the black/red-tracer wire in the ignition switch. It's the black/red wire that goes to the main fuse.

The black and light-green (turn signal) wires connect to the light blue wire in the turn signal switch... in turn, the light-blue connects to the brown wire but through the flasher relay... and the brown wire connects to the orange wire when the ignition is turned on.

So, it looks to me like the short occurred somewhere downstream of the #5 fuse... it could have been in the orange/green, brown, light/blue, black, light-green or white/black (brake light) wires.

- Martin

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