turn signals dont flash CB550F - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 14 (permalink) Old 12-13-2007, 08:02 PM Thread Starter
 
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turn signals dont flash CB550F

anyone got some ideas? my signals wont flash on my 75 CB550F. all bulbs are good, wiring looks solid, so I cant imagine why the signals wont flash. relay possibly?
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post #2 of 14 (permalink) Old 12-13-2007, 08:08 PM
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I dont know if bikes have these but cars do... Usually if your blinker is stuck and it doesnt blink then it is the flasher which is usually under the dash and it looks like a little tin can with prongs on it.

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post #3 of 14 (permalink) Old 12-13-2007, 08:22 PM Thread Starter
 
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I have had that thought, although I dont know if theres a way to test the flasher relay. right now I'm suspecting it, but want to be sure before I go replacing parts that may be good still.
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post #4 of 14 (permalink) Old 12-13-2007, 08:32 PM
 
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Get a DMM aka Digital multimeter and see if their power to the turn signal 1st if not check fuse... if thats not the problem trace wire may have a bad ground or too much resistance.. KISS Keep It Simple Silly... not to many things can cause that chit not to work on a bike not as complex as a car start small dont start with severe problem eliminate small problems 1st then work your way up and GL
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post #5 of 14 (permalink) Old 12-13-2007, 09:11 PM Thread Starter
 
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I"m pretty sure my problem is that someone replaced the original flasher relay with the wrong one. the one on tehre is a two post type and I need a three post relay. lucky for me, Iv'e got a 3 post here from my F2 that may work.
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post #6 of 14 (permalink) Old 12-13-2007, 11:33 PM
 
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With that salt air, I would take apart every electric connector (and there can't be too many) and spray it with contact cleaner and then put it back together before I replaced anything.
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post #7 of 14 (permalink) Old 12-14-2007, 12:10 AM Thread Starter
 
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With that salt air, I would take apart every electric connector (and there can't be too many) and spray it with contact cleaner and then put it back together before I replaced anything.
I've been here so long I never even THOUGHT about that. excellent idea though. I think I'm going to go pull some covers and see where certain wires go with the help of my wiring diagram. I've gotta check the wiring to my neutral and oil switches, since neither light on my "dash" lights up.
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post #8 of 14 (permalink) Old 12-14-2007, 03:26 AM
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Might want to put some di-electric grease in those connections too. Unless the contact cleaner you have has some type of lubricant. Can pick up a small can at Radio Shack for $9.99




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post #9 of 14 (permalink) Old 12-14-2007, 06:44 PM Thread Starter
 
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its the relay. I put a new one in today and it works just fine again.
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post #10 of 14 (permalink) Old 12-14-2007, 07:40 PM
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its the relay. I put a new one in today and it works just fine again.
The right number of pins usually helps

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post #11 of 14 (permalink) Old 12-14-2007, 09:06 PM
 
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its the relay. I put a new one in today and it works just fine again.
Great. Now what about the tach and speedo cables?
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post #12 of 14 (permalink) Old 12-14-2007, 09:19 PM Thread Starter
 
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what about em? tach seems to work just fine, speedo is unknown til I have a throttle pull cable.

the turn signal buzzer is FREAKIN ANNOYING, so I want to figure out what to do to disconnect it. the 3rd wire I was looking at seems to be an auxillary power supply wire for accessories one may wish to add later.
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post #13 of 14 (permalink) Old 12-16-2007, 11:44 AM
 
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what about em? tach seems to work just fine, speedo is unknown til I have a throttle pull cable.

the turn signal buzzer is FREAKIN ANNOYING, so I want to figure out what to do to disconnect it. the 3rd wire I was looking at seems to be an auxillary power supply wire for accessories one may wish to add later.
I saw your following post in "How well do you know your bike" thread. Is this for another bike? I thought the 120 tire would be the 550 as my 79 1000 uses a 130.

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Mine has a (decorational) tach that doesnt work, no speedometer, and I love everything about it really. oh yeah, cant forget that uber nimble 120 rear tire on there.
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post #14 of 14 (permalink) Old 12-18-2007, 05:27 PM Thread Starter
 
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no, that was my GS500, which had no speedometer ON it, and a tach that was so ghetto it wasnt funny.

my CB uses a 110 rear, and a 100 front.
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