hi all,

over the weekend a good mate <13btt> help replace the much dreaded hoses which plagues the 7. i've got the black box instead of our familiar rats nest. changed out 20 hoses and we somehow seemed unsure bout a couple. does anyone here have the diagram???can someone please help. TIA!!


dave

 

 

Dude,

I was refering to the Black Box as per picture below. Thanks mates.

dave

 

arent those used on the 99's?

 

The black box was on the '96 and up cars. Unfortunately, I've never seen a vacuum diagram for the black box - remember, we only got up to the '95 model year in the US.

You'd have to get a Japanese shop manual to try and figure it out, which will be tricky. I don't know if there's an English shop manual for any of the later model years.

Dale

 

What about Australia?
They weren’t just imported there were they? I would think you could get one if you could find a helpful soul to ship one over to you.

 

Now thats realy scarry. Just my luck attempting to get this done at night
Damn!!

 

if you successfully complete this, please let us all know

They were never dealer delivered here, only imported.

 

Has anyone heard of any cons with the black box? Is the only pro that it will clean things up?

 

I've looked into running the black box on a US FD, and have come to the conclusion that it simply isn't worth it. First off, you need the whole assembly - black box, coil mounting brackets, other metal vacuum and fuel lines, etc. Then, there's no guarantee the '93-95 ECU can control it, as the '96 ECU is VERY different. The clincher was seeing the stock check valves built-in to the black box - if one fails, toss the black box and get a new one. No thanks.

Dale

 

Dale, I'm also fairly sure that the internals (i.e. the solenoid operators) are very similar in construction to the stock '93 operators. This is why I'm hoping that my replacement solenoid project encounters some decent results. Maybe that will provide a viable alternative.

-Rob

 

First time seeing one of those.. I've heard about them..

So, it looks like all the solenoids are part of the rack.. Is that right?? if one goes back can you just replace one or do you have to get a whole rack?

More pics please!

 

Dale Clark mentioned these in another thread, and noted that the check valves were built in and not replaceable. That ought to be fun when one of them breaks.

 

Here's some more pics of the black box from my collection...

Yeah, I believe if you have one solenoid fail, you need a new black box. They might be designed better than the '93-95 solenoids - who knows. It is nice having all the plumbing integrated - MUCH less vacuum lines.

Dale

 

Dale, Thanks for the pics..

I thought they were better than US versions.. but now I think they are worse to have.

My first seq. problem was due to one way valves and noticed that if one of these solenoids in the black box goes, its time to get all new one.. Which is rediculous! Also, i guess you can't simplify the system???

Good to see what it looks like..

Thanks!

PHIL

 

I'm not sure what all systems the black box controls. There's only like 7 solenoids in it, and we have quite a few more than that in our cars.

I do prefer having them separate where you can remove features you don't want. Block off the EGR valve? Ditch the solenoid as well. No emissions at all? Remove those.

Dale

 

DOnt be close minded, i just finished the black box assy and it works, it worked fine with me because i bought a 96 and up engine, all i did was rewire half of my harness to the japanese motor cut harness and i used my old ecu, i also wanted to clear up that the box can be easily taken apart and replace the bad solenoids and check valves, i just did it also, Just message me if you have questions.

 

i've removed the blackbox coz i've decided to go single. Yup it comes apart easy for replacement of solenoids and check valves.

 

but if you'd like to keep the emissions equipment, you can not use the black box correct?

 

bump. anyone have pics of it installed?

 

That makes much more sense than Mazda trying to mold a damn check-valve or solenoid into an "all-in-one" unit

That would probably be a safe assumption, considering that Japan doesn't require the emissions components that we do. Which would probably also account for the fewer number of solenoids on this unit vs. the quantity on the U.S. cars.

Joe