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1977 CB550
Valentinik:
Sorry i didnt phrase it very well. The tail light goes out when the ignition is turned off, but it come straight on when the key is turned.
I presumed it should only come on when the light switch is used? Or am i mistaken?
Mike
Valentinik:
I haven't got any lights on in the headlamp. I've now disconnected all of the plugs in the headlamp and when the ignition is switched on the tail light still illuminates. So the connection must be elsewhere. I've attached a picture of the frame plate and headlamp switch
Mike
hairygit:
It could be that a previous owner had a break in the loom somewhere, and rather than sort it properly has bodged a new wire or supply to the tail light, which is live all the time the ignition is on, with no way of switching it off ( seen it done a few times over the years) If it is an issue to you, do a thorough inspection of the entire loom and all it's connectors, looking for any odd/unusual looking bits of wire or strange connectors like the dreaded scotchlocks!
Sent from my X5 using Tapatalk
Valentinik:
Thanks for the info both, I checked the fuse box, it looks very clean, no corrosion. The only time the light goes off is when this fuse is removed:
If either of the other fuses are removed the light stay on.
I then stripped all the tape off the loom and found no wires spliced that shouldn't have been. The only issue i found is the positive feed from the solenoid to the mulitplug that feeds the main loom, the red 12v+ wire was quite corroded and broke while i was examining it. I may replace these with modern waterproof connectors in the seat pan I'm going to fabricate.
I doubt this would be causing the problem with the light. To sum up, the light operates with nothing plugged in, only the main loom connector to the solenoid and the ignition switch, in the on position, not P.
Mike
Valentinik:
I made a start on stripping the engine down to try and limit any damage from any water. Tonight I got the head and cylinder removed, so far I'm pretty pleased with what i've seen. The bores look to be pretty good with no visible scoring or lips, so I'm hoping i can use it without a rebore. The only bit of damaged i've found so far is a slight mark on one of the pistons.
You can see the damage in the circle. After i've got it all stripped down and inspected i want to get the cases painted/powdercoated, is there a preferable way to clean the crankcase. Vapour blasting, etc?
Mike
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