S2000 Under The Hood S2000 Technical and Mechanical discussions.

Identify the wiring-----Pic

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Old 10-02-2007, 02:24 AM
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Originally Posted by Billman250,Oct 1 2007, 08:27 PM
The cable with the arrow:

Goes around the back of the battery, under the widshield washer bottle spout, under the EPS control unit, underneath the passenger side fuse block, and into the fuse block.

There are two phillips screw terminals in the fuse block. It goes on the left one (drivers side)

Thanks billman----- now I know.
Ok on the left side of the fuse box terminal side huh?
Its logical that black wire goes to the left side fuse terminal, that means
the black wire is fused. I can see in the diagram that this black wire has 100amps
plus 40 amps backup fuse.
This is the wire to power all the Fuel injector harness & each sensors.



How about the right side terminal? I know this is also + Battery, what is connected on the right side?
Is it the + for starter ????
My guess again is the starter....because the wire for starter is not fused. The right terminal is directly connected from battery to big lead to the starter.
Old 10-02-2007, 02:40 AM
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Good Morning!

Well after returning home I found my internet to be down and I just woke up a little while ago and it's back. Hope I didn't delay you too much. I have pictures here that I will post momentarily, but unfortunately it's hard to see much of anything useful with the harness installed under the hood. I also can not trace the large black wire, though I'm inclined to not want to believe it's + on the fuse box unless there were some red on it somewhere, or it actually has a + on it.
Old 10-02-2007, 02:43 AM
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After reading up to this point I clearly have to eat my words on the + cable to the fuse box I'll send over all pictures I have but there isn't much to see. Perhaps combined with Strat's diagrams they will provide some tiny insight.

I'm uploading photos now
Old 10-02-2007, 03:13 AM
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The right side is B+.

The left side is B+ fused.

Battery positive terminal to right side, thorugh 100 amp fuse, exit arrow wire stage left
Old 10-02-2007, 03:43 AM
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Here's the only stuff that is at all useful (maaaybe) for reference. Unfortunately because of the positioning of the car at the shop I could step on the driver's side or in front of it.

Higher resolutions are available in my gallery if you need https://www.s2ki.com/forums/index.php?act=m...bum&album=25842




Looking down in front of passenger wheel, behind headlight.


Same position including connector on block.


Air intake valve assembly connector with vacuum lines.


Looking down at rear of engine.


Similar view.


Front of engine and throttle body.


Similar view.


Similar view. You can disregard the finger, it's not directed at you


Loking down the the rear of the engine. Picture is upside-down.


Front of engine.


So as you can see, I don't know how informative these pictures are, but they might help you recognize connectors on your harness when combined with with diagrams.

Let me know if you'd like photos of the harness behind the dash this weekend.
Old 10-02-2007, 05:13 AM
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This probably wont help, this is what mine looks like.





But for the sake of trying to help email me and I can give you an ecu pinout.
Old 10-02-2007, 05:52 AM
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Originally Posted by MikeyCB,Oct 2 2007, 05:43 AM
After reading up to this point I clearly have to eat my words on the + cable to the fuse box I'll send over all pictures I have but there isn't much to see. Perhaps combined with Strat's diagrams they will provide some tiny insight.

I'm uploading photos now
Mick-----you are great!!!
I appreciate the picture very much !
Helped me a lot!!
Thanks you!
Old 10-02-2007, 05:58 AM
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Originally Posted by PeanutButter,Oct 2 2007, 08:13 AM
This probably wont help, this is what mine looks like.





But for the sake of trying to help email me and I can give you an ecu pinout.
Peanut----how about take a look at my first picture and see if you can identify
the plugs I numbered?
See if can remember some of those plugs.
Old 10-02-2007, 06:55 AM
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Originally Posted by lotus7racer,Oct 2 2007, 07:52 AM
Mick-----you are great!!!
I appreciate the picture very much !
Helped me a lot!!
Thanks you!
You're welcome! Just keep us in the loop on progress
Old 10-02-2007, 07:30 AM
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Originally Posted by MikeyCB,Oct 2 2007, 09:55 AM
You're welcome! Just keep us in the loop on progress
Yeah Mick----If I can fire the engine, who knows someday I will meet you and let you drive the car. A 990lbs car with s2000 engine...can you handle it?
Hehehehehe!...brooooomm---broooom @9,000


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