Honda-SOHC
SOHC.co.uk Forums => CB350/400 => Topic started by: mattsz on May 07, 2021, 05:13:30 PM
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I searched a bit and didn't find anything. I'm sure it's been discussed... probably even by me at some point! Here goes anyway...
What's with the unconnected green wire behind the left-side panel? Extra connection for the turn signal relay?
USA '77 CB400, btw...
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Now that I look closely at the diagram, it appears even there that the green wire goes to the turn signal relay, but doesn't connect to it?
(https://advrider.com/f/styles/advrider_smilies/ne_nau.gif)
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Now that I look closely at the diagram, it appears even there that the green wire goes to the turn signal relay, but doesn't connect to it?
(https://advrider.com/f/styles/advrider_smilies/ne_nau.gif)
If your starter relay has 3 terminals, the green earth fits on one of them. If its a 2 pin relay, like most of us use these days, just leave the green earth unattached.
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If your starter relay has 3 terminals, the green earth fits on one of them. If its a 2 pin relay, like most of us use these days, just leave the green earth unattached.
Thanks Julie! Personally, I've never come across a 3-terminal starter relay - but no matter... I'll leave it alone...
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If your starter relay has 3 terminals, the green earth fits on one of them. If its a 2 pin relay, like most of us use these days, just leave the green earth unattached.
Thanks Julie! Personally, I've never come across a 3-terminal starter relay - but no matter... I'll leave it alone...
Sorry Mattsz, my error, I meant to say indicator relay, not starter really 🙄🙄🙄🙄
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Sorry Mattsz, my error, I meant to say indicator relay, not starter really 🙄🙄🙄🙄
Oh, well, that's different! In that case - I'll leave it alone... ;D
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You've got it spare because that's not a genuine indicator relay.
Huh. I figured it might genuine, since it works in a mediocre fashion, like I assumed an original relay going on 45 years old might... ;)
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It is genuine but for US where they only fitted 2 wire flasher cans
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Only cos i bought literaly a shed load chep off Mr Silver years ago
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Mine isn't an import. Or is it? I guess all of them sold outside of Japan are imports!
Seriously, though: USA bike in the USA...
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Well you did ask the question on the UK site not the US one
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Well you did ask the question on the UK site not the US one
Naturally... the UK site is much better!
(Shhh, don't tell the US guys I said so!)
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All I saw was USA 400 and assumed it was an import as why would a yank be posting on a uk forum when they have their own.
See my previous post... ;)
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I'm on both and agree
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Your most likely a long lost cousin Matt so I suppose we’ll tolerate you :)
The main reason I'm here! Any place that tolerates me is a winner in my book...
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Happy to be corrected, but 3 pin (ie earthed) flasher relays are electro-mechanical (or ‘thermal’) types, and the 2 pin versions, solid state.
Q - were solid state relays common in the mid 70s; I’d have thought not and that all bikes of that era had the 3 pin flasher relays? Given the latter are very mechanical do-dahs, they do wear out and eventually need replacing... often with modern 2 pin units.
Secondly, why would Honda go to the bother of supplying 2 different relays; there’d have been a $ difference in the two types and surely they’d go the cheaper version?
This all said, I can’t get my head around some 400F differences, eg the near Europe F2s loop footrests, whilst rest-of-the-world retained the swing arm mounted ‘pegs. Also, the RoTW ignition steering lock, whilst Europe retained the unfriendly bottom yolk lock. (both the above represent Frame differences, which I guess, significant)
Other differences - eg tank cap / flap, horn mounting - I get given local safety regs....
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You got the flashers the wrong way round, 2 wire is thermal strip and 3 is a more mechanical.
Differences is down mostly to the US vehicle regs similar to our construction and use regs plus insurance compy requirements, learner laws etc
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3-Wire types had a capacitor which is formed in the end of the aluminium case and used capacitance discharge principle to provide the timing for the electro-mechanical relay inside the can as well. Every 60's/70's UK Honda bike I own/ have owned, has/had this type of flasher unit fitted as standard. The USA bikes were fitted with a 'Signal-Stat' type, which is two wire and uses a bi-metallic strip rather than the capacitance discharge principle (like the old Lucas unit used in old British cars, like the Mini). I have seen a few later style 3-wire types, which have a separate, conventional, electrolytic capacitor inside, mounted on a small printed circuit board.
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