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eschlanser
Joined: 08 Apr 2010
Posts: 60
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 Posted: Sun Nov 30, 2014 5:13 pm Post subject: Slick magneto switch shield ground |
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I am about to connect the magneto switch wires for Slick mags on a Lycoming O320 engine. I have the Z-34 set-up of two (2-3) magneto switches and a push button for the starter. Note 3 for Z34 advises grounding the shield to engine ground at the mag end. On a previous post I found this:
I recommend each mag switch get grounded through the shield
of the p-lead where only the mag end of the p-lead shield
goes to the crankcase or other handy fastener on the engine.
Bob . . .
On the mag case an inch from the P lead post there is a handy #8 screw labelled GND. The case is intimately attached to the engine. Can this GND screw be the handy fastener on the engine where the P lead shield is grounded when wiring a mag switch per Z34?
On the switch end, the same P lead shield gets attached to terminal 3 of the switch, right?
Eric S.
The mag pictured is not mine but is like the one I have and is for illustration only. No advertisement intended.
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nuckolls.bob(at)aeroelect
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| Posted: Sun Nov 30, 2014 6:19 pm Post subject: Slick magneto switch shield ground |
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On the mag case an inch from the P lead post there is a handy #8
screw labelled GND. The case is intimately attached to the
engine. Can this GND screw be the handy fastener on the engine where
the P lead shield is grounded when wiring a mag switch per Z34?
Yes . . . or to any other 'handy' ground
to crankcase . . . doesn't have to be on
the mag nor is it prohibited to extend the
shield ground with a pig-tail long enough
to find a more remote ground. But it looks
like your best option is nicely located.
On the switch end, the same P lead shield gets attached to terminal 3
of the switch, right?
Yes . . .
Bob . . .
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