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Author Topic: aftermarket ignition switch not working  (Read 268 times)

Offline Rywilly

  • Posts: 41
aftermarket ignition switch not working
« on: Nov 05, 2018, 21:28:47 »
Hey all,

I got a lower profile igintion switch to improve the look of my 78 GS550, it was supposed to plug in no problems, as far as I know. Plugged it in to the existing plug on the harness and my gauge turns on, but nothing else, and it seems its backward. When the key is in the off position the gauge turns on, but when its in the on position everything turns off...

any insight, bad ignition switch, or is it me?
78 GS550E

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Re: aftermarket ignition switch not working
« Reply #1 on: Nov 05, 2018, 21:31:39 »
Do you have a multimeter that tests for continuity?  I would start testing your wires.  Could be as simple as bent tabs on the connectors.  I have also gotten handlebar switches wired wrong.  Usually the turn signal wires are swapped.  So, that is certainly a possibility.

Offline Rywilly

  • Posts: 41
Re: aftermarket ignition switch not working
« Reply #2 on: Nov 05, 2018, 21:34:51 »
Do you have a multimeter that tests for continuity?  I would start testing your wires.  Could be as simple as bent tabs on the connectors.  I have also gotten handlebar switches wired wrong.  Usually the turn signal wires are swapped.  So, that is certainly a possibility.

If the turn signals wires are swapped that'll do that?
78 GS550E

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Re: aftermarket ignition switch not working
« Reply #3 on: Nov 05, 2018, 22:59:18 »
If the turn signals wires are swapped that'll do that?
No, I'm just saying I have gotten switches where things are wired wrong.  I figured it out with a meter, and of course my lights flashing opposite.

Offline Rywilly

  • Posts: 41
Re: aftermarket ignition switch not working
« Reply #4 on: Nov 08, 2018, 00:02:00 »
Got the wires un-crossed as far as I can tell, but now bikes not turning over - its a four wire ignition switch but aftermarket.

78 GS550E

Offline WhyNot

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Re: aftermarket ignition switch not working
« Reply #5 on: Nov 08, 2018, 08:53:05 »
Got pix.............? ? ? ?

Did it fire b4?

Do the wire colors on the switch pigtail match the wire colors on the harness.

I had one that didn't, change them to match, viola.
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Offline Rywilly

  • Posts: 41
Re: aftermarket ignition switch not working
« Reply #6 on: Nov 08, 2018, 18:56:25 »
I'll have to add photos. It did start right up before, I think the switch is meant to be rated for 25 amps? Not sure this one is.

Any ideas on that? Looking for one which will fit my new custom set up - just not sure which ones out there would work.

Is the 25 amps the significant info?
78 GS550E

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Re: aftermarket ignition switch not working
« Reply #7 on: Nov 08, 2018, 18:57:50 »
It matters if it burns up a contact.  Test continuity with a meter will tell you that.