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The '61-'71 Dodge Sweptline Truck Forum #33

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Subject:   Re: Re: Re: Re: Re: Re: Re: Mopar Ignition Troubleshooting #2
Name:   JimmieD
Date Posted:   Aug 24, 08 - 12:51 PM
IP Address:   66.81.199.160
Dodge-Link   http://youtube.com/watch?v=e-LOtKIIKcg
Message:   The green/red stripe wire is never used for anything on a 4 pin ecu. It would only be grounded though the 5 pin
box to whatever the box is mounted to and only in use
with a 5 pin box after it supplies low voltage power
to the box, other end of that green wire runs to the top side of the 4 post ballast (on one side of the ballast> one to box, one to coil> other side of ballast is
the "run" side and is spiced together). So calling
the green/red stripe a grounding wire in not correct
since that is not what it is used for, unless your
trying to burn out that side of the ballast if
hooked to a 4 post ballast. Yes, some OEM wire harness use a differant color code
than what comes with the OEM aftermarket kit, however,
all the wire harness have the 5 wires regardless
of if its a kit with 4 pin ECU or the OEM system.


Please review the instructions given by Mopar for installation of Mopar Performance ECU, and the reference to green/red wire:

http://www.mymopar.com/downloads/elecignconv.pdf

It's also re-written here, not in .pdf form, at the Imperial Club:

http://www.imperialclub.com/Repair/Electrical/Electronic/index.htm

I've also reviewed Richard Ehrenburg's instructions and others, all say eliminate green with red stripe. Don't know what else to say on that, I guess wire it up however it suits a guy?

If you will see what I'm saying, it IS USED in 5 pin, it IS NOT USED in 4 pin, so is eliminated when changing 5 pin to 4 pin. 4 pin doesn't need that ground circuit.

Note: There are different types of 'ground' wires: chassis earth ground and/or circuit or system floating ground. Green/red is a floating ground in circuit in 5 pin ECU wiring. A floating ground can be a voltage return of sorts rather than an earth ground.
   


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