replaced solenoid wiring backwards.. fried something


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tallman21
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replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 8:14 am



Hey guys, the header says whats going on. I when to start my bike the other day and it turned over a few times then nothing. I was getting a click but that was it. I crossed the solenoid terminals and it started right up so i bought a new solenoid. when i went to plug it in i apparantly pluged the harness in backwards and as soon as i did i smelled a burning smell and a little plume of smoke started rising right up near the middle of the motor. I switched it around and hooked it up correctly but now I am not getting and click at all. I can still start the bike by crossing the solenoid. The kill switch works fine as does all the lights and horn. There are no blow fuses that I can find. I searched all around the engine area for any burnt or melted wires and I cant find anything at all. The bike runs great except for it wont start via the starter button.

Anyone have any ideas? I looked at some wiring diagrams and realized that my bike has been rewired and its just a giant rats nest. IM going to keep checking wires and see if I can find anything. Its tough with it sitting running in front of me but i cant figure it out!!

Thanks and happy riding this spring.



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virgilmobile
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Re: replaced solenoid wiring backwards.. fried something

Postby virgilmobile » Fri Apr 11, 2014 8:34 am

I'll look at the schematic while I wait.
The wiring you plugged in wrong.Can you post a picture of it or explain what wires/plug.?

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virgilmobile
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Re: replaced solenoid wiring backwards.. fried something

Postby virgilmobile » Fri Apr 11, 2014 8:51 am

I think I got it....If you rotated the 4 wire plug that attaches to the starter solenoid,you would have applied 12 volts at 30 amp directly to the ground circuit for the solenoid....
See the attached picture outlined in red....this would be the wire and diode affected....
Now this is assuming that the clutch lever was not pulled in while it was hooked up backward...
If it was,the green outlined circuit would have been affected too.

In the mean time,see if your neutral lamp still works and try to start it using the clutch lever(in or out of gear)...
You may have only smoked the diode....a cheap fix..
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tallman21
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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 9:03 am

Here are a few pics.

this one is showing the solenoid and wiring i was talking about.


This is the area the smoke came out of..


I just saw your last post and you have it nailed right on the head. Thats exaclty what i did.

The neutral lamp hasnt really worked correctly in quite a while but he bike was in neutral and i did not pull in the clutch when i fried it. I will try a few things and look over that diagram. Now i just need to locate those wires....

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tallman21
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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 9:11 am

Is this the diode or a resistor?


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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 9:58 am

So i just talked to my dad and he said that is probably the diode. I pulled it out and smelled it and sure enough it smells awful. just like the acrid smell i smelled when it burnt out originally. Im going to order a few more and pray that is all that burnt out. Thanks for the help guys!!

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Re: replaced solenoid wiring backwards.. fried something

Postby cbx4evr » Fri Apr 11, 2014 10:05 am

Kudos to Virgilmobile. So glad you are on this site. I know who'll I'll call when I have electrical problems. Actually hope I never have to make that call.
"It´s a friggen motorcycle, it´s not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you s**t your pants every now and then. "

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virgilmobile
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Re: replaced solenoid wiring backwards.. fried something

Postby virgilmobile » Fri Apr 11, 2014 10:15 am

GOOD NEWS...You can still run the bike and should be able to crank it by pulling in the clutch lever...

As far as the diode....be aware of the direction it went....there is a plus and minus side...keep the arrow pointed to the same wire......Also you don't have to get the OEM honda diode ($$$)....even Radio shack would have one suitable..adding the connectors to it....Looks different but works the same..Just a plane old 3 amp diode...easy stuff...
Come to think of it,i've been seeing them in the salvage yards in the electrical panel of some cars and trucks....I might look into picking up a few next time i grab a few relays and fuses....There really cheap there.I can get a handfull of stuff for a few bucks..

And thanks for the kudos cbx4evr....Happy I can help...post anytime....I like weird and unorthodox..

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Re: replaced solenoid wiring backwards.. fried something

Postby WingAdmin » Fri Apr 11, 2014 10:48 am

tallman21 wrote:Is this the diode or a resistor?

IMG_20140411_100816.jpg


That's the diode.

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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 11:00 am

this is great! thanks man! my fiance is heading through town later so i will have her grab a few of the 3 amp ones at radioshack. What connector should I use? There is a reason why i am always going through this site! you guys know everything!! thanks again!!

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virgilmobile
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Re: replaced solenoid wiring backwards.. fried something

Postby virgilmobile » Fri Apr 11, 2014 11:36 am

The same kind that's on the original.Flat blade type.
If your going that route,take yours with to match it up.
The 3 amp diode is much smaller that the one used on the wing.Its mostly case.
Remember,replacing the diode is necessary but may not totally fix your problem.All bets are off if the wiring has burnt or the neutral switch damaged.
Fortunately you should be able to pull in the clutch lever and crank it even if the diode is out or the neutral circuit does not work yet.

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virgilmobile
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Re: replaced solenoid wiring backwards.. fried something

Postby virgilmobile » Fri Apr 11, 2014 12:25 pm

Here's a picture of one I just made up as a replacement...Yours should look the same...I did solder the connectors...it's always better than just a crimp...The direction is the same..note the "band" is close to one end...the same direction as the picture on the old diode...

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tallman21
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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 2:08 pm

virgilmobile wrote:The same kind that's on the original.Flat blade type.
If your going that route,take yours with to match it up.
The 3 amp diode is much smaller that the one used on the wing.Its mostly case.
Remember,replacing the diode is necessary but may not totally fix your problem.All bets are off if the wiring has burnt or the neutral switch damaged.
Fortunately you should be able to pull in the clutch lever and crank it even if the diode is out or the neutral circuit does not work yet.


Hmm ok. It wont crank right now even if i pull in the clutch... I will put the new diode in tomorrow and hope that helps...

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tallman21
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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Fri Apr 11, 2014 3:02 pm

so i just went out and did some more digging. I disconnected the wires to clutch switch and crossed them. immediatly they got hot and I saw some sparking. I tried starting the bike with them like that and nothing happened. Maybe there are some wires grounding out? or woudl the diode being blown cause that? not really sure.

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virgilmobile
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Re: replaced solenoid wiring backwards.. fried something

Postby virgilmobile » Fri Apr 11, 2014 10:30 pm

You still got battery volts going up the wrong wires.
Unplug the starter solenoid 4 wire plug.
Use a test probe or volt meter...2 of the 4 connectors should have volts on them.
They MUST be connected to the large red wires only.

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tallman21
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Re: replaced solenoid wiring backwards.. fried something

Postby tallman21 » Sat Apr 12, 2014 11:36 am

Ok guys i figured it out! I fixed the wiring with the solenoid plug and figured out that the clutch lever switch had fried up inside and was no longer making contact. I am going to buy another switch and replace it. Voila! works! thanks again guys for everything!!




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