I agree. It must be a bad connection. I noticed that adjusting the headlight by moving it up and down manually fixed the problem for a time. I suspect there is a bad connection in the fan of wires that reaches the back of the headlight. Gilles
On Monday, September 10, 2012 6:07:18 AM UTC-7, Hanghank wrote: > > On my β84 CB650SC, the battery cable clamp secures a heavy cable that > provides power to the starter. I am assuming it cranks OK, so this > connection should be secure. Clamped separately to that clamp is a feed to > all of the other electrical circuits on the bike. I would start there: > remove the connection, insure it is clean, refasten it securely, and > continue to move down that electrical circuit. I suspect you will find > something obviously loose and/or dirty. It is not the regulator. It is > not the turn relay. Period..... > > *From:* Gilles <javascript:> > *Sent:* Monday, September 10, 2012 2:30 AM > *To:* [email protected] <javascript:> > *Cc:* [email protected] <javascript:> > *Subject:* Re: [Nighthawk Lovers] Unstable electric power on CB450 > Nighthawk > > I agree that it must be something that affects the general circuit. I did > the test of the horn and it does the same as the headlights. I checked all > the wires manually and all look fine. I will continue to investigate. > Gilles > > > On Sunday, September 9, 2012 7:19:33 AM UTC-7, Hanghank wrote: >> >> In case you have not determined the cause of your problem: >> >> From your description of βIn particular the turning signal. When the >> engine is idling, the lights flash ok, but when I ride at higher rpm they >> start to flash erratically. The intensity of the headlight also changes >> when I ride.β I would be suspicious of a loose or weak electrical >> connection that is being disturbed by the vibration and shaking of riding. >> If it is affecting turn signals and headlights, it would have to be a major >> connection common to both of those circuits. The voltage >> regulator/rectifier is for recharging the battery and would not be >> involved. The turn signal relay cannot affect the headlights. The >> connection may be affecting running lights, brake lights, etc. and you re >> only seeing the results in the circuits that are most easily observable. >> How about the horn? Does it vary with the lights? Go ahead, drive down >> the streets with the horn blaring! OK, a quiet road or street. *;~)* >> >> Gene >> >> *From:* Gilles >> *Sent:* Saturday, September 08, 2012 2:01 PM >> *To:* [email protected] >> *Subject:* [Nighthawk Lovers] Unstable electric power on CB450 Nighthawk >> >> I fixed my 1986 CB450 Nighthawk which has been sitting in my garage for >> 12 years. After cleaning the carburetors and serviced the front break, the >> engine is running great. I have a problem with the lights which are not >> stable. In particular the turning signal. When the engine is idling, the >> lights flash ok, but when I ride at higher rpm they start to flash >> erratically. The intensity of the headlight also changes when I ride. >> Before purchasing new parts (flasher relay or regulator/rectifier) I >> would like to do some checks to determine which part is not working. >> Is there a simple test I can do to determine whether the relay or the >> regulator is wrong? >> I cannot see any other part that may produce this diagnostic. >> Thank! >> Gilles >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> Visit this group at >> http://groups.google.com/group/nighthawk_lovers?hl=en-US. >> >> >> > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To post to this group, send email to [email protected]<javascript:> > . > To unsubscribe from this group, send email to > [email protected] <javascript:>. > Visit this group at > http://groups.google.com/group/nighthawk_lovers?hl=en-US. > > > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. Visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en-US.
