Author Topic: Wiring gods help  (Read 897 times)

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Offline boarder

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Wiring gods help
« on: March 21, 2015, 06:22:08 AM »
built my wiring harness the other day for my cb550 four and all was well or so i thought. i wired the electric start to the horn button on my hand controls which worked the only problem was as soon as i let go of the button the bike would die. i went back and after a while i added a wire from batt to ignition which can be seen in the pictures below now everything works and the bike stays running. Now the problem is not the battery will not stay charged when the bike is off, meaning key switched off but still in the ignition switch any help with this would be great!
« Last Edit: March 21, 2015, 06:24:47 AM by boarder »

Offline Bodi

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Re: Wiring gods help
« Reply #1 on: March 21, 2015, 06:52:20 AM »
That is about the worst wiring diagram I've ever seen, I'm not prepared to try and decode it. However... what is the circle with power and ground wired to it?
Note that any jumper that bypasses the ignition switch will be powering the regulator and possibly the ignition all the time. Either one, or both, will quickly drain the battery.
The battery "+" should connect to only three things - unfused to the rectifier output and the solenoid switch stud, and through a fuse to the ignition switch input. All loads (lighting, ignition, starter button) connect to switched power from the ignition switch. Generally with simplified custom wiring a simple SPST ignition keyswitch is used with only 2 connections - yours shows 3, I won't guess why.

Offline boarder

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Re: Wiring gods help
« Reply #2 on: March 21, 2015, 07:48:00 AM »
Sorry that's the starter solenoid didn't have room for text, also my ignition actually have 4 wires one is brown and white but is unused and is just another accessory wire. The key switch I ordered plugged right into a factory harness so based off the factory wireing diagram black=ignition red=battery brown= accessory, so that is where there are more than 2 wires.

Offline calj737

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Re: Wiring gods help
« Reply #3 on: March 21, 2015, 11:28:56 AM »
The BLACK jumper wire you added beyond the fuse to RED is bypassing yr key switch. Remove the jumper.

Your coils are paired 1/4 and 2/3, not the way your have them labeled.

For your info, from the stock key switch:
RED - battery +
BLK - switched 12v
BRWN - ACC
BR/WHT - ACC

When key is OFF, No drain for battery. With key ON, RED brings power from battery to key switch BLACK, BRWN and BR/WHT. Black is usually used to deliver power to the coils and the right side control switch (powers START button). Brown and Br/Wht are used to provide power to lights, gauges etc.

If you restore this circuitry, your wiring will be simplified and functional. Are you using the stock regulator and stock rectifier?
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Offline MJL

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Re: Wiring gods help
« Reply #4 on: March 21, 2015, 01:50:04 PM »
Sounds like you have a bad key switch, or your key switch is wired wrong.
No matter how fast or how far I rode, I couldn't leave her memory behind.

Offline Bodi

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Re: Wiring gods help
« Reply #5 on: March 21, 2015, 01:58:07 PM »
simple minimal wiring

Offline boarder

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Re: Wiring gods help
« Reply #6 on: March 21, 2015, 02:03:50 PM »
This is how I had it wired originally but the bike would not stay running unless the electric starter button was held on, stock regulator and rectifier from Oregon motorcycle parts
The BLACK jumper wire you added beyond the fuse to RED is bypassing yr key switch. Remove the jumper.

Your coils are paired 1/4 and 2/3, not the way your have them labeled.

For your info, from the stock key switch:
RED - battery +
BLK - switched 12v
BRWN - ACC
BR/WHT - ACC

When key is OFF, No drain for battery. With key ON, RED brings power from battery to key switch BLACK, BRWN and BR/WHT. Black is usually used to deliver power to the coils and the right side control switch (powers START button). Brown and Br/Wht are used to provide power to lights, gauges etc.

If you restore this circuitry, your wiring will be simplified and functional. Are you using the stock regulator and stock rectifier?
« Last Edit: March 21, 2015, 02:07:15 PM by boarder »

Offline calj737

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Re: Wiring gods help
« Reply #7 on: March 21, 2015, 02:24:22 PM »
Actually, your first post indicated that your ores the STaRT function using the HORN button. Then, we released, the bike would die, so you added the jumper wire.

Your stock HORN button is a GROUND interrupt, so if you simply took a new YLL/RED from the solenoid and connected to HORN it won't work. You would need to reverse the wiring for the HORN button to act like the START.

By the way, what's wrong with your stock START button? And can you post some pictures of your electrical panel so we can see what other changes you've made?

And "stock" Oregon Motorcycle is not stock, but I understand you used Oregon replacements.
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"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline boarder

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Re: Wiring gods help
« Reply #8 on: March 21, 2015, 03:00:30 PM »
I do not have a stock start button as it got lost. Not really sure what the pictures of the electrical panel would do considering everything is pulled apart as I trying to figure out how to wire this correctly, BTW I bought a simple push button start (from autozone as recommended by a local shop) wiring it in between the starter silinoid and accessory wire from the keyed ignition and still same results bike would start and stay running then die when released

Offline vonvendetta

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Re: Wiring gods help
« Reply #9 on: March 22, 2015, 07:12:27 AM »
Above posts are correct, you have it backwards.
Using the wire from the black key switch
 
run it to starter solenoid,

then the starter solenoid will have two wires coming out of the bottom of it. One is the ground and the other goes to the button.
Make sure that is only thing connected to the start button, not going from the start button to the coils etc. And make sure you ground the button.
« Last Edit: March 22, 2015, 07:20:08 AM by vonvendetta »

Offline Bodi

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Re: Wiring gods help
« Reply #10 on: March 22, 2015, 11:16:38 AM »
It really doesn't matter whether you switch power or ground to the solenoid coil. According to your wiring diagram (I think) what you describe is not possible - the start button only goes to the solenoid coil. If it switches power, the other coil wire goes to ground.
I can't see how it would start and run only with the button pressed as the coils are connected directly to black, that should work.
Check your switch contacts and confirm they are working as you expect.
There's no reason to separate "ignition" and "accessory". You could just connect the two switch contacts together and to the harness black wire, and have the bike run with the key in either ACC or IGN position.
It sounds like you're using the original harness? There were several oddities in most harnesses, and you may be fighting them. For example, I think they expect 3 fuses and the wiring won't necessarily "just work" with just one. Have a look at the Honda wiring diagram for your bike, once you understand that you may see what the problems are when using it with different components.
Note that I don't see a horn. I believe every vehicle is required by law to have one. Mirrors and turn signals are also required here if your original bike model had them.