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nigelt Nov 28, 2017 04:10 AM

I made a PNP harness for my truck coils using a design Barton made. It's a prototype that we're working on bringing to production. The idea is you just unplug your stock coils, and use this PNP harness to plug into the GM harness that came with your junkyard truck coils. I should have it fired up this week!


https://cimg5.ibsrv.net/gimg/www.mia...841229cef6.jpgLooks a bit like the plug on a NB2 coil doesn't it...

https://cimg6.ibsrv.net/gimg/www.mia...3352c6c4c5.jpgExcuse the jankiness, I just used wire I had laying around which was way too fat.

https://cimg3.ibsrv.net/gimg/www.mia...a56c487833.jpgNow I just need to toss these in a sadfab bracket which should be landing on my door step shortly and I'm good to go!

ridethecliche Nov 28, 2017 08:31 AM

Woah woah woah.
In for details. I'd be all about hitting the easy button if you can still do sequential with this.

Looks great. Looking forward to seeing how it works out for ya.

hi_im_sean Nov 28, 2017 09:10 AM

Id be interested in pairing your harnesses with our bracket and wires if you are. Looks good so far Nigel.

ridethecliche Nov 28, 2017 10:44 AM

Fuck yeah sadfab collab

nigelt Nov 28, 2017 11:17 AM

This one's set up for batch, but we're designing it to be simple to switch it to squential.

On a scale of ¯\_(ツ)_/¯ to "obviously, idiot", how important is sequential support?

Totally in for a sabfab collab!

ridethecliche Nov 28, 2017 12:20 PM

I think folks would shy away from it if it didn't have sequential. There's no reason not to since the ecu can support it imho.

aidandj Nov 28, 2017 12:27 PM

Sequential will never be plug and play. You need extra wires from the ECU.

For a lot of builds a simple non-sequential plug and play solution would be awesome.

18psi Nov 28, 2017 12:31 PM

True. But then most builds don't need LS coils either.

Girz0r Nov 28, 2017 01:53 PM


Originally Posted by aidandj (Post 1453954)
Sequential will never be plug and play. You need extra wires from the ECU.

For a lot of builds a simple non-sequential plug and play solution would be awesome.

This is something I'd be interested in as well.

If I just need to source coils in order to pair it with a sadfab collab plug-n-play kit, sign me up.

18psi Nov 28, 2017 01:56 PM

SADForce?
SADFlow?
SADForceFlow?

nigelt Nov 28, 2017 02:58 PM


Originally Posted by 18psi (Post 1453974)
SADForce?
SADFlow?
SADForceFlow?

SADFlab?
SADFarce?

ridethecliche Nov 28, 2017 03:56 PM

FabFlow, obviously.

Doubles as advertising for BPH medication.

Re: adding wires for sequential. Would it be possible to integrate that somewhat into the harness? That way there's a base kit that does batch and a small add on that can be all seq-xy?

nigelt Nov 28, 2017 04:05 PM


Originally Posted by ridethecliche (Post 1453995)
Would it be possible to integrate that somewhat into the harness? That way there's a base kit that does batch and a small add on that can be all seq-xy?

Yeah, I'm thinking along these lines. Having an extra pigtail add-on. We'll probably call it seq-xy pigtails, because that name is awesome.

hi_im_sean Nov 28, 2017 04:28 PM

I like where this is headed. So much so, I went ahead and made us a logo:

https://lh3.googleusercontent.com/-W...2017-11-28.png

nigelt Nov 28, 2017 04:53 PM


Originally Posted by hi_im_sean (Post 1454000)
I like where this is headed. So much so, I went ahead and made us a logo:

https://lh3.googleusercontent.com/-W...2017-11-28.png

It's beautiful!

EO2K Nov 28, 2017 06:00 PM

mad MSPaint skillz right there lol :giggle:

sonofthehill Nov 29, 2017 02:02 AM

Nice!

Barton Nov 29, 2017 06:14 AM

While sequential would be good, most people won't require it and since you need to add extra wires back to the ecu it should be easy enough to splice into the PNP harness to add the 3rd and 4th trigger signals. The idea is to make a complete PNP patch harness which means sticking with batch fire ignition.

rwyatt365 Nov 29, 2017 07:35 AM

Please let this happen! My POS cobbled-together harness gives me nightmares every time I open the hood. And an easy, "seq-xy pigtail" change to sequential would make it even better.

Barton Nov 29, 2017 08:40 PM

What's everyone's thoughts on adding a connection point for sequential? It'll increase costs a bit due to the extra connects required.

I can add a connector inline to keep it batch but still allow it to be disconnected to add the two extra signals for sequential. An additional connector supplied to do this and a blanking connector to keep the unused connector water tight would also have to be included.

OR...keep the design as is and people can cut the wires and add the two extra signals themselves.

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