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lwhitlow
Joined: 15 Jan 2006
Posts: 76
Location: Valparaiso Indiana
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 Posted: Sat Apr 25, 2009 3:44 pm Post subject: Ignition question |
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Jab 3300 Zenith 601XL
I'm wiring the plane and checking continuity as I go And now I'm working on the Ignition.
If I'm reading thing correctly Per the install Manual
When the Tab on the Ignition module is grounded = IGNITION OFF
When the Tab on the Ignition module is OPEN = IGNITION ON
according to my handy dandy meter the Tab on the ignition module shows continuity to ground with no wire on the tab.
Something isn't registering in my old noggin here Any Help????
Larry Whitlow
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Wayne Lenox
Joined: 07 Jan 2008
Posts: 75
Location: Arizona in the winter
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| Posted: Sat Apr 25, 2009 4:17 pm Post subject: Ignition question |
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Larry
I think the ignition coil is grounded on one side and you are reading through the coil to ground.
Wayne
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gregbakker(at)hotkey.net.
Guest
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| Posted: Sat Apr 25, 2009 10:12 pm Post subject: Ignition question |
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Larry,
What you should be measuring here is resistance. About 0.8 to 1 ohm between
the bare ground tab and the iron core which is the metal bit that sticks out
at each end of the coil housing, see page 57 of the Jabiru manual solid
lifter. (I'm not sure what page on the hydraulic version). If all you test
is continuity, you will certainly get that as you discover that the tab is
electrically connected to the winding and as such finds it's way back to
ground.
Cheers,
Greg Bakker
Jabiru Varieze, Australia
www.varieze.net
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DaveG601XL
Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh
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| Posted: Mon Apr 27, 2009 7:43 am Post subject: Re: Ignition question |
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Larry,
I found the same thing during my wiring phase and asked Jabiru USA the very question you are asking now. They told me to not think about it as a simple continuity check, like Greg points out. They told me to hook up the grounding switch as shown in the instructions and test it operationally. They work as advertised, open circuit = run and closed to ground = stop running.
Good luck,
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David Gallagher
Cincinnati, OH area |
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lwhitlow
Joined: 15 Jan 2006
Posts: 76
Location: Valparaiso Indiana
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| Posted: Mon Apr 27, 2009 6:38 pm Post subject: Re: Ignition question |
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Thanks Guys
I knew the answer was there somewhere
Larry
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