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Old 02-21-2011, 04:21 PM   #1 (permalink)
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this is A9L computer from a 92 mustang. I bought the harness online. I'm using fordfuelinjection.com to put it together. I have figured out what most everything was, but there are a few things that arent clear on FFI



Am I missing another harness that plugs into these, to hook into the HEGO's?


what are these?




what is this? Obviously a relay, but the plug I cannot find info on.






there are in the vehicle, do i need these?


Also I have no plug for the coil, so makes me think Im missing another harness that hooks into the black/grey plugs for the HEGO's and ignition?
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Old 02-21-2011, 10:31 PM   #2 (permalink)
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Quote:
Originally Posted by 1badb2 View Post
this is A9L computer from a 92 mustang. I bought the harness online. I'm using fordfuelinjection.com to put it together. I have figured out what most everything was, but there are a few things that arent clear on FFI

Am I missing another harness that plugs into these, to hook into the HEGO's?


Yes. There should be a harness from those plugs to the HEGO sensors. I *think* that the other plug is for the tranny.


what are these?


Plugs. What color wires? Have you looked at a wiring diagram for that year? There are some available on Autozone.com (of all places!)





That looks like the MAF sensor connector.



what is this? Obviously a relay, but the plug I cannot find info on.

That *might* be your hego harness, but I can't see the whole thing. There shouldn't be a random relay floating around the harness. Most of the relays are all in one location, except in some years they moved the fuel pump relay around.









This on is your TPS, I'm pretty sure.

there are in the vehicle, do i need these?


Relay connector (fuel pump?) And the plug is *probably* for your stop/turn/tail lights.



Also I have no plug for the coil, so makes me think Im missing another harness that hooks into the black/grey plugs for the HEGO's and ignition?
Post a picture of your coil. I'm too lazy to dig my 'spare' out from the toolbox. What I said 'might be your MAF connector' may actually be your coil plug.

Ideally, you'd be matching wires (and pins on the computer) with a diagram. Check on vatozone's website, or pony up the $20 to use alldata's online service. It'll be worth it.
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Old 02-22-2011, 05:14 PM   #3 (permalink)
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The one by the IAB might be for the BARO

What do you not have plugged in yet? Most of the plugs will only plug into one thing so that should eliminate any unplugged sensor plugs and just leave harness plugs to deal with.
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Old 02-22-2011, 06:17 PM   #4 (permalink)
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I just sent the harness out to bobby walter. There is too much that was messed with by the previous owner for my skill level.
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Spare parts? If you're shooting your weapon to failure, it means you're really good to have stayed alive through that much combat. You're not fucked, You're just down a weapon, go get another off of one of the many dead bodies you created
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Old 02-22-2011, 06:56 PM   #5 (permalink)
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That was a good move and get a Ford EVTM so you can trace the wiring colors yourself, some of the above advice isn't even close.
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Old 02-22-2011, 09:02 PM   #6 (permalink)
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I just sent the harness out to bobby walter. There is too much that was messed with by the previous owner for my skill level.
Bobby will get you fixed up
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Old 02-22-2011, 09:15 PM   #7 (permalink)
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The Third Pic is a ground, do yourself a favor and cut the plug out and solder it. If that plug gets loose, efi won't work.

Last edited by sabas; 02-22-2011 at 09:15 PM.
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Old 02-22-2011, 10:20 PM   #8 (permalink)
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Bobby will get you fixed up
I have full confidence in him. Hes a badass

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The Third Pic is a ground, do yourself a favor and cut the plug out and solder it. If that plug gets loose, efi won't work.
that is correct. Bobby helped me trace a bunch of the wires tonight to get an idea of what I had. This turns out to be an 87 harness with MAF conversion kit on it with a number of other wires tapped onto the 60pin plug. We are missing my fuel pump relay all together as well as one of the HEGO's possibly.

That is why I decided to just send it out to bobby. Its not like im waiting on the harness to get running. Trans will be ready to pickup tomorrow, then I must install that. do x-members, shifters, d-lines, take it to the exhaust shop. I've got a good week and a half before I'm ready for the harness.

Not to mention I'm sending bobby my 35spline warn hubs and ordering RPM slugs I dont think my warn hubs were going to like 300+hp very much.
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Rats get fat, while brave men die.

Spare parts? If you're shooting your weapon to failure, it means you're really good to have stayed alive through that much combat. You're not fucked, You're just down a weapon, go get another off of one of the many dead bodies you created
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Old 02-22-2011, 10:54 PM   #9 (permalink)
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Bobby knows his shit. If you've got AOD questions, he knows those inside out as well
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