SOHC.co.uk Forums > CB750

F1 Ignition Switch Woes!

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Phatcol:
Hello all! After years of running Brittish iron (Bonnies mostly), I decided it would be good to join the 197-'s, and get a CB750!
Great bike, my F1; should've done it earlier, etc, but the little buggers have been at it! In trying bo hotwire it, they cut the wires to/from the ignition switch, and pulled off the connector from the back of the switch. I'm reconnecting the wires direct to the connectors on the back of the plastic connector block at the ignition switch, but seem to have lost power to the pilot light, and tail light. Can anyone tell me if these are both fed from the same fuse? The fuse seems ok, and I'm wondering if my guess at the wiring to the switch is wrong (funnilly, everything else works ok though).
If anyone with an F1 could help with how the wires are arranged in the block, it'd be a great help, and get me back on the road again ;D!
Anyhow, cheers to a really good, and informative forum!
Phatcol.

Spitfire:
Have a look at this, had a similar problem on my F1, it turned out to be the fuse block connections in the end. Yours could be different, the only real way to do it is to follow the wiring.

Cheers

Den

mick:
Here you go had my camera handy first photo is from right handside of bike 1976 F1 hope these help you  ;), cheers Mick.

Phatcol:
Cheers chaps, the piccies especially will help me get that bit done, and if that doesn't do it, then it must be the fuse box right enough! I'm working the next few days, so it looks like a straightforward job (hopefully!) for Friday.
Thanks again,
Colin.

Andy1976:
I had problems with my ignition switch too. The PO had removed the connector block, leaving the spade ends exposed. When I started the bike and increased the rev's, vibrations from the bike loosened the spade ends, causing it to arc across two wires resulting in the main fuse constantly blowing.
This happened the evening before My wife and I were going away to Scarborough for the weekend.
Caused major panic.  :o  :o

Andy

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