wiring from starter button to solenoid to starter. ingition


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airpane
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wiring from starter button to solenoid to starter. ingition

Postby airpane » Thu Jan 19, 2012 9:34 pm



Today i helped my Uncle take the air pump off of his 1990 trike and clean the reid valve so that it would close right and build pressure. During the process I noticed that a weld had broken on the bottom of the left side shock mount. H is a welder so he welded it back. Then we tried to start the bike to test drive it. The lights will come on, the radios will play, and all the dash light work as they should. But when the starter button is depressed nothing happens with the excption of the top left headlight relay clicks and the head light goes off as it should during the start cycle. We have checked the main dog bone fuse near the batery and the fusable link under the seat. We checked all the fuses and relays. We checked the side stand switch. The Lean angle indicator has not been hooked up since the trike kit was installed and it never made a diference before today. He thinks that as he welded the shock mount some stray current went throught hte ingition controle unit and fried it. Any help would be greatly appriciated. I jumped across the starter solinoid and the starter motor engaged and the engine turned over and over but the engie would not fire. Wher is the ingition controle unit located and how do I check it.
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seabee_
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Re: wiring from starter button to solenoid to starter. ingi

Postby seabee_ » Thu Jan 19, 2012 10:44 pm

You're right, something may have been affected while welding. With todays electronics, you should always disconnect the battery before welding. This will prevent any damage to components. I'm not familiar with the 1800, but it sounds like something other than the ignition module. I would say it;s somewhere in the starter circuit. Do you have a manual with schematics? You will have to trace out the starter circuit to see why the starter won't work. I'm sure some of the 1800 guys will join in on this to help.
Have you checked the starter solenoid?
Paul
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WingAdmin
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Re: wiring from starter button to solenoid to starter. ingi

Postby WingAdmin » Thu Jan 19, 2012 11:02 pm

You should always disconnect both the negative AND positive battery terminals before doing any welding on a bike or car. Chances are you've cooked one of the electronic boxes.

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seabee_
Posts: 494
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1977 Kawasaki kz400
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1980 Kawasaki GPZ400
1975 Honda CB360T

Re: wiring from starter button to solenoid to starter. ingi

Postby seabee_ » Thu Jan 19, 2012 11:24 pm

I believe you will find the ignition module on the left side near the cooling fan. you might have to remove the lower fairing to get to it.
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Paul
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ASE Mechanic

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virgilmobile
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Re: wiring from starter button to solenoid to starter. ingi

Postby virgilmobile » Fri Jan 20, 2012 8:17 am

Does the trike have the reverse system in it.
Here's a schematic (basic)to get started.

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mervk
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Re: wiring from starter button to solenoid to starter. ingi

Postby mervk » Sat Jan 21, 2012 2:40 am

This may be too simple, but not long ago, I spent best part of an hour with a similar problem, before noticing I'd bumped the kill switch. Yes, I felt a complete fool. Have you checked it?

Cheers.
Merv Kroll
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cbx4evr
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Re: wiring from starter button to solenoid to starter. ingi

Postby cbx4evr » Sat Jan 21, 2012 10:29 am

mervk wrote:This may be too simple, but not long ago, I spent best part of an hour with a similar problem, before noticing I'd bumped the kill switch. Yes, I felt a complete fool. Have you checked it?

Cheers.



You are not alone in that. I pulled my brains out trying to start a snowmobile after it stalled when I hit the kill switch negotiating a corner.
"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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airpane
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Re: wiring from starter button to solenoid to starter. ingi

Postby airpane » Sun Jan 22, 2012 7:24 am

We got it going again. My uncle had unplug the bank angle sensor, thinkng that it was not needed on the trike. He pluged it back in and it started. I did not know what it was. After researching the electrical system I realixed it had to be pluged in to run.

James

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Re: wiring from starter button to solenoid to starter. ingi

Postby WingAdmin » Sun Jan 22, 2012 2:02 pm

airpane wrote:We got it going again. My uncle had unplug the bank angle sensor, thinkng that it was not needed on the trike. He pluged it back in and it started. I did not know what it was. After researching the electrical system I realixed it had to be pluged in to run.

James


The bank angle sensor should be BYPASSED in a trike. It is designed to detect if the bike has laid down on the ground, to shut the engine off. A trike, because it corners flat, can trick the bank angle sensor into thinking the bike has laid down when in fact it's only cornering - cause the bike to shut the engine off.

Do this by unplugging the bank angle switch, and jumpering the two outside terminals of the connector (green and red/white).

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airpane
Posts: 22
Joined: Thu Jan 19, 2012 8:42 pm
Location: Trout, Louisiana
Motorcycle: 2006 Gl 1800
1992 Gl 1500A
1986 GL 1200 SEi

Re: wiring from starter button to solenoid to starter. ingi

Postby airpane » Sun Jan 22, 2012 7:16 pm

Thanks you for this info. I was goig to put the bank angle sensor back on and that ment pulling the trunk again. now I just have to jump the out side wires and tape it up. Man Iove this site. having it is like haveing a mechanic on site.

James




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