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No spark Help needed 23 Jul 2021 23:34 #852411

  • carnesir
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Hello! New member here. From Sweden. I am rewiring a KZ750 LTD 1982 and I have had it running earlier but now I cant get any spark. Narrowed it down to the igniter thingy. Can someone please help me with the wiring. Also putting in a m-unit. Thank you 
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Last edit: by Street Fighter LTD.

No spark Help needed 24 Jul 2021 05:19 #852415

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Welcome to KZRider 
I fixed your picture to be full size
Next time please click the insert all tab to complete the picture install  process

Dave

Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn
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No spark Help needed 24 Jul 2021 06:48 #852420

  • F64
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Do you have the schematic for your motorcycle?
I can't find those wire colors on my schematics.
Is that the ignitor that came with your motorcycle?
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
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No spark Help needed 24 Jul 2021 08:21 #852431

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Here's a diagram I drew for a U.S. Kz750K1 twin, based on a German Kz750K1 twin.
I'm not 100% sure what the pink wire was for (it's been a while), but most likely (99%) it was for a safety interlock, especially since wiring it to ground makes it work. 
www.kzrider.com/forum/4-electrical/17274...ght?start=228#485190
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No spark Help needed 24 Jul 2021 09:56 #852437

  • F64
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Thanks Lou!
That pink wire was confusing me.

Carnesir,
You'll wire your (yellow with red stripe) to the ignition output on your m-unit along with your positive coil wire.

(pink wire) and (black wire with yellow stripe) go to ground

(yellow with blue stripe) goes to coil negative

(blue wire) and (black wire) go to your ignition pickups


schematic courtesy of loudhvx
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
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No spark Help needed 24 Jul 2021 10:02 #852440

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Thanx for all the replies.
Yes its the igniter that came with the bike 
If I wire it up like the schematic the weird thing is that i have 12 v on the brown and pink wire. Am I missing something???
I wired as follows bl-bl, blk-blk, y/r to coil pos, bl/y to coil neg, blk/y to ground, Pink was left alone.

Is it possible to wire some other way?

 

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No spark Help needed 24 Jul 2021 10:06 #852441

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@F64 I'll try that and see what happens

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No spark Help needed 24 Jul 2021 12:33 #852451

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Pink needs to go to ground as well.

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No spark Help needed 24 Jul 2021 23:56 #852493

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Starting from scratch this morning and found that there was missing wires in the right handlebar switch. Fixing that and then rewiring the complete bike. Thanks for all the help

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