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Old 09-30-2018, 03:07 PM
7juliethotel 7juliethotel is offline
Join Date: Sep 2014
Location: Modesto, CA
Posts: 3
Default Electrical problems RV12

Equipped with landing lights & strobes. When strobes turned on Dynon RPMs go off. Any ideas?
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Old 09-30-2018, 05:16 PM
hook hook is offline
Join Date: Oct 2015
Location: Niceville, FL
Posts: 25

Look for a short in a wire bundle or chafing at where the wiring harness goes through the firewall.
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Old 09-30-2018, 06:38 PM
DHeal DHeal is offline
Join Date: Sep 2006
Location: Windsor, California
Posts: 787

Look through the appropriate wiring diagram for you RV-12 (See: and trace where the landing lights/strobe wires are positioned near the RPM sense wire. Look for chafing or electronic interaction.
David Heal - Windsor, CA (near Santa Rosa)
EAA #23982 (circa 1965) - EAA Technical Counselor and Flight Advisor; CFI - A&I
RV-12 E-LSA #120496 (SV w/ AP and ADS-B 2020) - N124DH flying since March 2014 - 750+ hours (as of Apr 2019)!
VAF donation through June 2019.

Last edited by DHeal : 09-30-2018 at 06:41 PM.
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