Jabiru regulator wiring and 2nd ground


Subject:    Jabiru regulator wiring and 2nd ground
From:    messydeer (messydeer@yahoo.com)
Date:    Tue Nov 03 - 6:56 PM
Hi!

I am mounting my filter capacitor and alt disconnect relay on the cool side of
the firewall. Voltage regulator and battery would be FWF. One alternator lead
would go through the firewall to the COM terminal of the alt disconnect relay.
From the regulator, one ltblu wire, the red wire, and the yel wire would go
through the firewall to the filter capacitor. From the filter capacitor, there
would be one wire come back through the firewall to the starter contactor. This
is how I'd planned it a few months ago. The only changes were to downsize the
wires.

But today, I ran across the following on the US Jabiru website:

We suggest keeping the red and yellow wires ahead of the firewall.  We run them
directly but separately to the battery.  

This differs from how I have it, since my red and yellow wires are not kept fwf.
And they are not run directly to the battery, but go first to the filter capacitor,
starter contactor, battery contactor and then to the battery. Is there
any problem doing it how I have it?


I also noticed in the Z drawings with the Jabiru regulator, Bob shows two grounds,
one from the black wire and another drawn between the voltage regulator box
to the firewall. I'm wondering if this ground drawing should be deleted. The
voltage regulator metal case certainly contacts the firewall, fwiw.

--------
Dan


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=270882#270882


Attachments: 

http://forums.matronics.com//files/dans_jab_3300_alternator_and_regulator_wiring_505.pdf




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