Taillight & Parking Light Circuit Design & Diagnostic On A Vintage Honda Motorcycle
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- Опубликовано: 10 июл 2024
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• Understanding the Grou...
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The taillight and parking light circuits are some of the more unique circuits on a vintage Honda motorcycle as compared to others out there. With wiring running through both the front and rear brake light switch, the ignition switch and the headlight switch it can seem a bit overwhelming. With a good battery, a test light, and a little bit of knowledge you can diagnose and fix any issue in this circuit. In this video, we are going to help you understand the basics of the factory Honda taillight and parking light circuit wiring and how to individually test each component to discover what is at fault and what works as it should.
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Contents of this video:
00:00 - Introduction
00:14 - Taillight circuit basics
00:50 - Taillight wiring walkthrough
04:06 - Testing the functionality of the taillight bulb
06:20 - Testing the taillight housing
08:04 - Testing the taillight ground
08:35 - Testing 12v positive power at the taillight
11:31 - Testing the rear brake light switch
14:05 - Testing the hydraulic front brake light switch
15:18 - Testing the front drum brake switch
15:57 - The complete working system
16:29 - Wrap-up 
Авто/Мото
Epic stuff. Really gonna help me diagnose my SL125
Thanks for a great video. You mentioned something in your video which led me to an epiphany. The brake light worked fine. It was just on all the time because the switch for the front brake wasn’t adjusted properly when I bought it. A quick adjustment and everything works fine on my 1978 CB 750. Thanks again
very helpful for my Honda cb 450 k 1975
Content like this is apart of what keeps these bikes alive! Go common motor!
Thanks for this tutorial. It's really helped me out and saved money with a garage for repairs.
Great tutorial, helped me diagnose the tail light issue on my CB500.
excellent work made sensible. thank you.
thank u brendan excellant explanation slow and clear andto the point
Good content, relevant for my project.
Incredibly helpful
Well done
Excellent advice u guys r awesome
Very very helpful -
Can you put the jumper cables on while the battery is still connected to the bike?
Would these wires be the same for a 1981 Honda CM400A ???
I have a CB400T that all lights work except my running tail light. I don't see that specific model listed, but will it follow the same principles? The solid brown wire seems to be bad one and it looks like the ground is black, not green unless the pervious owners confused it while wiring up this taillight.
Brenden quick question, 1 cb450t, which battery do you have in stock for this motorcycle. 2 gonna start rebuilding, what do you use in your parts washer to clean parts? Picked up a used one gonna get a lot of use. Didn't know what solution I should be running in parts washer. Thx Tim
I have a 1986 honda magna vf700c. Everything was working fine but the other morning i found my bike laying on the right side. I don't know how it got knocked over but it did. The dash light for the tail light is on all the time now. The issue I'm having is that i can either get the brake light to work or the tail light. If i disconnect the wire for the tail light the brake light works but when i plug it back in the tail light works but not the brake light and the light on the dash is on regardless. Do you have any insight as to what the problem might be? This is my first bike so I'm pretty much clueless. Also the bulb seems to be fine
Wow, this helps me understand my CB350 so much better! Just looking at the wire diagram is not the easiest thing.
What about turn signal running lights? My front turn signal lights stay on like running lights and the back ones are off but signal. Is this right?
I’m having trouble I atemted to switch my light to led , I had the rear lights switched no problem , I went to replace my headlight and turn signals I have headlight and have been able to get turn signals but need diode to work correctly , but I have lost my running light in the rear “tail light, breaks work fine when I switch to park the tail lights work
What tool is he using to test the tailight housing???
My 74’ MT 250 is 6v not 12 does that change anything?
My tail light kinda blinking when my turn signals are applied on older honda CB
HI, i HAVE A 1981 HONDA CT110. 6 Volt When turn signals are on tail light blinks opposite turnsignals. This seems to be a very common problem..any Ideas would be greatly aooreciated
I’m having this same issue on the same bike! I don’t even know where to start
Hello I'll send you some money if you do a video dedicated to showing how to bypass a headlight switch for an old HOND because I am having a nightmare with any 1975 GL1000 and nobody seems to have done anything about bypassing the switch on the handlebars. I had to remove it because the new start button handlebar unit did not come with the lights switch.
I have 1973 175cb and my lights are very low I change the battery and still the same and the rear light don’t turn on