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Old 06-28-2017, 06:09 AM
Mich48041 Mich48041 is offline
Join Date: Apr 2008
Location: Riley TWP MI
Posts: 2,714

If I understand the schematics correctly, that pretty clearly points to the 1a fuse?
I agree. The problem is definitely within the Switch and Fuse module. Since the fuse is the weak link, that is most likely the problem.
As an educational experiment, connect the test light between ground and the yellow "C" wire. The test light will load the circuit. Now measure the voltage coming from the Switch and Fuse module. Notice that the voltage is no longer 9.7, but has dropped to zero. More meaningful voltage test results are obtained when circuits are under load.
Joe Gores
RV-12 Flying
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Old 06-28-2017, 06:35 AM
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tomkk tomkk is offline
Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 795

Thanks Joe, really appreciate the help. The resources on this site are great!
Port Orange, Fl
RV-12 N121TK ELSA #120845; first flight 06/10/2015
RV-12 N918EN ELSA #120995 Eagles Nest Project
SPA Panther N26TK in progress
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Old 06-28-2017, 06:29 PM
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Tommycat Tommycat is offline
Join Date: Feb 2017
Location: North-western Illinois
Posts: 85

Originally Posted by tomkk View Post
I don't think I have a good way to test those points without a bench setup for the module. The fuses are mounted on circuit board where the module has to be disssembled to get at them.
Roger that.

Tom you going to send this somewhere to be repaired?

What caused the fuse to blow? Was it the reg? Short in the wiring?

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