912 Ignition Wiring Routing

by William Holloway in 912 / 914 Technical Questions 10 years ago

Do the shielded ignition wires have to be run separately from any other wiring or can they be bundled with my wiring harness? I'm building a pusher type & my wire routing options are getting limited. My headphone jacks & ignition key are on one side of the fuselage & my battery cables & main wiring harness are on the other side separated by a few inches. The battery is located forward of the pilot up in the nosecone area. If I do run the wires parallel to some other wires is there a minimum number of inches that must be keep?

Re: 912 Ignition Wiring Routing

by Rob Seaton » 10 years ago

Rob Seaton

3 1.32k 251

you can bundle them.As long as you use shielded wire and properly ground the shield (18 gauge tefzel M27500-18TG1T14 is the most common wire used)
The tach wire is very sensitive to EFI so it is a good idea to use shielded twisted pair wire and ground the tach in location away from the mags, radios, etc that produce interference. 22 gage twisted-pair: M27500-22TG2T14

Thank you said by: William Holloway

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