Test light on positive lead on starter relay comes on when the motorcycle is off, when bike key is turn on, test light is off?
Does this mean starter relay is bad? I'm trying to diagnose my electrical problem on a honda cbr f4. The lights turned on but when I tried to start bike all power shut off and now nothing powers on.
There's most likely a bad ground connection somewhere. No, I can't tell you which connection is bad.
Also check to see if the contacts in the load-shedding relay have self-welded closed. But the first thing is to pull off the tank and fairings and look / feel for worn insulation in the wiring and bad / loose / corroded ground connections. Wiggle stuff. Think horses, not zebras. Double-check the fuses by pulling them and OHMING THEM OUT because sometimes a blown fuse is not visibly blown. The battery could be bad. I prefer a multimeter (even a really cheap one) to a test lamp because it can check resistance and diodes and voltage.
Bad ground connection somewhere.
Check the wire to the starter soliod, one is aluminum, the other steel. Aluminum corrades.
Doesn't sound like bad relay. Does it Click when lead positive? If it doesn't, probably bad ground to the coil on it. A bad relay, alone. Will either have an open coil or shorted (blown fuse, no + 12v)
The reason you read hot when key off and dead when key turned might also be a bad ground at switch or elsewhere. Bad grounds force current to feed thru other things, makes your vehicle act possessed. Go as far back as the battery. Look for loose lugs, connectors not pushed home. My Harley acted Dead to the world when I left a tiny #18 ground wire off the - side of battery.
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