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1981 Honda CX500C
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Discussion Starter · #1 ·
Putting the harness back on my cx and wondering where this goes or what tires plug into it. Original harness and there’s no female 4 prong that it can go too. (Bike currently lights up but won’t start) thanks in advance!
Automotive tire Motor vehicle Finger Circuit component Thumb
J
 

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That is not original to your bike. A previous owner may have installed it. Does your bike have an electric fan added to replace the original one, or perhaps extra driving lights? Those are the sort of things that the relay may have been controlling.
 

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Registered
1981 Honda CX500C
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4 Posts
Discussion Starter · #3 ·
Putting the harness back on my cx and wondering where this goes or what tires plug into it. Original harness and there’s no female 4 prong that it can go too. (Bike currently lights up but won’t start) thanks in advance! View attachment 213761 J
That is not original to your bike. A previous owner may have installed it. Does your bike have an electric fan added to replace the original one, or perhaps extra driving lights? Those are the sort of things that the relay may have been controlling.
I purchased the bike with no front light or signals. The bike has its original fan as well
 

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'84 CX650E that is evolving into a GL500
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From the plastic bag the wires that normally get crammed into the headlight are in it looks like it may have had an aftermarket fairing at one time.

I agree that the relay is not part of your bike.

Welcome to the forum. Please add your location and your bike's model and model year to your profile so that you don't have to remember to tell us every time and we don't have to keep asking when you forget (see Forum Settings link in my signature).

And welcome to the world of antique vehicle ownership (they own us, not the other way around). Your bike is about 4 decades old and may or may not have had all of the maintenance necessary to keep it safe & reliable so it is highly recommended to download the Factory Shop Manual for your model (available through the CX Wiki - link in my signature) and go through all of the service procedures, regardless of whether your bike has reached the specified mileage.
I also recommend looking on all rubber parts with suspicion because rubber does not age gracefully. Check the date codes on your tires and replace them if they are over 5 years old no matter how good they look & feel (old rubber simply cannot flow around the irregularities in the asphalt well enough to grip, especially if it is cool or wet). If your bike still has the original rubber brake line(s) (should be replaced every 2 or 3 fluid changes = 5 or 6 years) I recommend shopping for modern stainless braided ones (they last practically forever and double the life of the fluid). And don't forget things like the rad hoses and the boot between the engine and swingarm (they can crack on the bottom where you don't see it).

The best advice anyone can give you about customizing any vehicle is to get it safe & reliable in more or less original condition and use it for a while before you start making any changes so it can tell you what changes it needs to make it do what you want/need better. That approach almost always results in something you actually want to keep and use but making changes based on style or on what someone else (who may or may not really understand how the changes affect the way it works) has done often results in a piece of expensive yard art that you can't stand sitting on for more than a few minutes and might even be dangerous.
 

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Registered
1981 Honda CX500C
Joined
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4 Posts
Discussion Starter · #6 ·
Here are some before and current photos
From the plastic bag the wires that normally get crammed into the headlight are in it looks like it may have had an aftermarket fairing at one time.

I agree that the relay is not part of your bike.

Welcome to the forum. Please add your location and your bike's model and model year to your profile so that you don't have to remember to tell us every time and we don't have to keep asking when you forget (see Forum Settings link in my signature).

And welcome to the world of antique vehicle ownership (they own us, not the other way around). Your bike is about 4 decades old and may or may not have had all of the maintenance necessary to keep it safe & reliable so it is highly recommended to download the Factory Shop Manual for your model (available through the CX Wiki - link in my signature) and go through all of the service procedures, regardless of whether your bike has reached the specified mileage.
I also recommend looking on all rubber parts with suspicion because rubber does not age gracefully. Check the date codes on your tires and replace them if they are over 5 years old no matter how good they look & feel (old rubber simply cannot flow around the irregularities in the asphalt well enough to grip, especially if it is cool or wet). If your bike still has the original rubber brake line(s) (should be replaced every 2 or 3 fluid changes = 5 or 6 years) I recommend shopping for modern stainless braided ones (they last practically forever and double the life of the fluid). And don't forget things like the rad hoses and the boot between the engine and swingarm (they can crack on the bottom where you don't see it).

The best advice anyone can give you about customizing any vehicle is to get it safe & reliable in more or less original condition and use it for a while before you start making any changes so it can tell you what changes it needs to make it do what you want/need better. That approach almost always results in something you actually want to keep and use but making changes based on style or on what someone else (who may or may not really understand how the changes affect the way it works) has done often results in a piece of expensive yard art that you can't stand sitting on for more than a few minutes and might even be dangerous.
Thank you for the input!
 

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