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Old 06-17-2018, 05:58 PM
Nova RV Nova RV is offline
Join Date: Aug 2015
Location: Leesburg, VA
Posts: 292
Default Canopy micro switch wiring tip

Like most people I spent hours trying to fish some safety wire (both .032 and .041) to run the canopy safety switch wires with no luck. Tried from front to back, back to front, inside slot to go - the safety wire kinks and gets hung up too easily. Finally I tried this method and was done in about 15 minutes. Sorry no pics as I wasn't sure it was going to work.

1) Run a #22 wire from front to back in the wire slot along the canopy side. Let the wire run straight out the back of the canopy, don't worry about getting it out the tiny slit on the side. Mine slid right through easily.
2) Take the end that now sticks out the back and feed it back forward so it pokes out of the side slit, may need some minor twisting but it is easy to get it out. Once it's through pull it slightly so the feed wire goes from the slit to the front as desired.
3) Strip 1/2" from the front end of the feed wire and the 2 canopy switch wires also at the front. Twist these 3 together carefully so as to not make a lump.
4) Solder this twisted connection, again don't make it too large, just flow into the wires.
5) Pull the feed bundle now from the slit end, it should pull through easily.
6) Crimp on the connectors and you are done, total time 15 minutes.
Chris Moon

Leesburg, VA
RV-14A kit # 140243 (flying as of 11/18)
VAF 2018 and 2019 paid
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Old 06-17-2018, 07:46 PM
JoeRV14 JoeRV14 is offline
Join Date: Feb 2018
Location: Poplar Grove, Illinois
Posts: 23
Default Thanks Chris

Thanks Chris! Not quite there yet but wanted you to know your post is appreciated and Iím taking notes! Joe
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Old 06-17-2018, 08:51 PM
Bavafa Bavafa is offline
Join Date: Oct 2007
Location: Sacramento, CA
Posts: 2,584

I don't know why the instructions doesn't have you run this wire before closing that part. I made a note (blue masking tape on the rivet holes) "not to rivet before pre-run the wires", this way I would not get excited to close that part before running the wires first.
N825SM RV7A - IO360M1B - SOLD
N825MS RV14A - IO390 - Flying
Dues paid
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Old 06-18-2018, 04:28 AM
Cwood2000 Cwood2000 is offline
Join Date: Jun 2012
Location: Tallahassee, fl
Posts: 118

Thanks for the info, Iíll be there in a couple of months, this will help.
Aka YellaDawg
RV14 in gestation
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Old 06-18-2018, 07:13 AM
JDA_BTR JDA_BTR is offline
Join Date: Dec 2013
Location: Baton Rouge, LA
Posts: 686

see this thread too:
Ser 104142, RV-14A
Ready to gas it up!
Urologist, AME
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Old 06-18-2018, 04:32 PM
rvbuilder2002 rvbuilder2002 is offline
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 7,992

Originally Posted by Bavafa View Post
I don't know why the instructions doesn't have you run this wire before closing that part. I made a note (blue masking tape on the rivet holes) "not to rivet before pre-run the wires", this way I would not get excited to close that part before running the wires first.
Two reasons -

1. - The electrical and avionics design and plans sections were still in the design phase when the canopy portion of the finish kit was completed. The canopy plans could have been updated later, but by then there was a lot of builders who had already built past that point and they needed to fish wires so the decision was made to just provide instructions on how to do it afterwards.

2. - In our shop we didn't have any trouble doing it the way that is described and the judgement was made that the typical builder wouldn't either.
Any opinions expressed in this message are my own and not necessarily those of my employer.

Scott McDaniels
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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Old 06-19-2018, 08:30 PM
Stockmanreef Stockmanreef is offline
Join Date: Nov 2012
Location: Midland, mi
Posts: 648

I was going to post a new thread, but I figured I would jump in here, since others and I plan to do this soon.

I plan on wiring the canopy after finishing the canopy frame, but before putting on the wind screen. I am on 38-19 and plan to wire before 38-21 or 38-22. Any reason that this would be a bad idea? Or is there something that I am missing? I figure that all the wiring of the canopy would be much easier before the wind screen was in place.

I am using the WH-000126 kit from Van's.
Ken Stockman
Midland, MI
EAA Chapter 1093 member

RV-14 (serial number 140073)
N73XP (at least that # reserved now)
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Old 07-01-2018, 01:37 AM
RV-14E's Avatar
RV-14E RV-14E is offline
Join Date: Jun 2018
Location: Colorado
Posts: 154

Here's the technique effectively outlined by Nova_RV, in pictures. I didn't solder. I just twisted the switch wire around the safety wire and pulled it through. I grounded the switch to the canopy frame through its mounting screw, rather than pull two wires.


I wired my canopy after it was completed as I suspect most other builders did too. It wasn't prohibitive.

Last edited by RV-14E : 07-01-2018 at 10:38 AM.
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