Ignition on/run wire source
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Tuned
Joined: Feb 2002
Posts: 441
Likes: 0
From: Vicksburg, MS
Ignition on/run wire source
I recently installed a 3G and an electric fuel pump, and I think I created a parasitic draw. Can someone give me a quick source for an ignition on wire? I removed the ignition module when I installed an HEI distributor, so there are several plugs where that used to be. Shirley, there is one in that bunch.
I was hoping someone would know off the top of their head before I start chasing it with my meter.
I was hoping someone would know off the top of their head before I start chasing it with my meter.
Cargo Master
Joined: Nov 2011
Posts: 3,354
Likes: 49
From: Great American SouthWest
My favorite source of ignition hot is the yellow three plug harness, in the dash, behind the left ac register. In dual battery trucks, it sends an ignition hot to the relay. I have mine triggering the relays for the electric choke and fuel pump
Cargo Master
Joined: Jun 2013
Posts: 3,182
Likes: 15
From: Somewhere n North America
I recently installed a 3G and an electric fuel pump, and I think I created a parasitic draw. Can someone give me a quick source for an ignition on wire? I removed the ignition module when I installed an HEI distributor, so there are several plugs where that used to be. Shirley, there is one in that bunch.
I was hoping someone would know off the top of their head before I start chasing it with my meter.
I was hoping someone would know off the top of their head before I start chasing it with my meter.
Elder User
Joined: Sep 2014
Posts: 862
Likes: 7
From: like subarctic, brrr man!
my '78, I used the Ignition module plug and harness to power my EFI. However I could not find a circuit that's RUN and START, so I used a couple big Diodes to power a relay.
Last edited by ZarK-eh; Jul 16, 2017 at 10:40 AM. Reason: ON or RUN...
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