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 Post subject: H1-D CDI Ground Wire
PostPosted: Thu Jan 30, 2025 2:52 am 

Joined: Mon Apr 11, 2022 5:31 am
Posts: 89
Location: North Fort Myers FL
My question is, does the H1D CDI require this ground wire like the H2 CDI in this image?
Attachment:
H2 CDI Ground Wire.jpg
I finally have the H1-D running. To get the ignition to fire off I had to use a temporary jumper wire grounding the CDI unit to the frame. I looked at the parts manual and see that there is a ground wire 21045-009 wire-lead in the IGNITION / GENERATOR / REGULATOR (H1D) section. I have this ground wire for the battery WIRE-GROUND LEAD 26010-023 and this two terminal ground wire for the main harness WIRE,LEAD 26011-079. Guts has a wonderful rebuild thread, this link shows what appears to be the ground wire 21045-009 wire-lead. http://i57.photobucket.com/albums/g236/ ... 681g2h.jpg Currently my under the seat grounds looks like Gut's, three ground wires. If I add ground wire 21045-009 that would make 4 wires.

I've already cleaned the powder coating from the ground locations and slathered them with dielectric grease. All this is probably a moot point as I'll most likely follow H2RTuner's advice. I really like this comment from H2RTuner. "One other thing I always do to all my bikes, is to fabricate a dedicated ground wire set from each coil mounting bracket, to ignition unit mount, to engine ground, seems to help the system function. On car systems, I always recommend the battery ground wire connect to the engine first, then to other areas like chassis, body, dash, etc. Ground paths are very important."


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 Post subject: Re: H1-D CDI Ground Wire
PostPosted: Thu Jan 30, 2025 7:29 am 
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Joined: Wed Jun 08, 2011 11:34 pm
Posts: 10012
Location: North Central NC
The H1D's CDI plate is rubber mounted, so yes, you need a ground wire from it to the frame.

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 Post subject: Re: H1-D CDI Ground Wire
PostPosted: Thu Jan 30, 2025 8:06 am 

Joined: Mon Apr 11, 2022 5:31 am
Posts: 89
Location: North Fort Myers FL
Thank you.


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 Post subject: Re: H1-D CDI Ground Wire
PostPosted: Fri Jan 31, 2025 6:37 am 

Joined: Mon Apr 11, 2022 5:31 am
Posts: 89
Location: North Fort Myers FL
Problem solved.
Attachment:
H1 Ground Harness 2.jpg


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