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Old 12-03-2009, 09:20 AM   #21 (permalink)
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Just got a few pictures of the engine and wiring. I think there are 34 wires that are cut, the ecu connectors are still pinned up. I think they are ignition, srs, abs, and subharness wires.




3 stage vtec d15b / d15z7, notice the two vtec solenoids.


with wiring on top


Last edited by 88hf; 12-07-2009 at 08:59 PM..
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Old 12-03-2009, 09:45 AM   #22 (permalink)
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d15 3 stage vtec, d15z7, EK3 Civic Vti 96-98 (obd2a) ecu plugs / wiring / pinout

d15 3 stage vtec, d15z7, EK3 Civic Vti 96-98 (obd2a) ecu plugs / wiring / pinout













Not sure about this last one (brown 7 pin) / What is it?


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Old 12-03-2009, 11:18 AM   #23 (permalink)
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that last brown one looks like the ignition harness to me. Almost exactly the same looking as all the other Honda ignition harnesses I've seen. And by ignition harness, I mean the under dash one that goes to the fuseblock.
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Old 12-03-2009, 09:37 PM   #24 (permalink)
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90-91 crx hf pm8 ecu pinout diagram

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Old 12-04-2009, 06:07 PM   #25 (permalink)
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Got 4 wires rung out today. Unfortunately I don't know what a bunch of these wires are and I have 30 plus the igntion harness left. I've got horn relay fuse to brake sw, back up fuse, upshift light, and ignition sw pwr. If anyone sees something obvious please tell. I have a whole list to ring out with possibles from different diagrams, but I don't know what the pink wire is for and at least 5 others, no idea. TomO, any idea on the ignition harness pinout? Its wht/blk, yel/blk, yel/grn, yel/grn, blk, blu/wht, grn/yel. I'm marking the wires with white tape short description and numbering. It was cold and started raining or I would have gotten further.
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Old 12-05-2009, 08:12 PM   #26 (permalink)
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Figured out 28 of the wires, 6 go to the ignition harness connector, the 7th of the ignition harness connector goes to the ecu. I've got 7 left to trace out and then I found a few more connectors when I opened up the motor some more.
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Old 12-05-2009, 08:38 PM   #27 (permalink)
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found new connectors!


new connector 8 more pins




new connector 1 more pin




new connector


new found connector, 8 more wires to figure out here


dual solenoid connection (left pink/grn yel)


Single Wire O2 sensor and connector


couple connectors that end nowhere (blanked over)


another connector that ends nowhere (blanked over)


just found this vacuum looking deal also.
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Old 12-06-2009, 06:30 PM   #28 (permalink)
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the two pin connector is the Jumper for the diagnostic mode, ie jump that connector, turn ignition on and the CEL light blinks out codes if any are present.
the three pin one is for Dealer/factory use, it connects to the Honda proprietary scan tool.

This is just a ground block, all the wires going to it are grounded (usually found in the engine bay near the passenger headlight). There should be a small metal tab near the blank end that you mount to the chassis.

As far as those ignition wires...did you figure out the pink one? I can check my 92-95 diagrams and they may be the same.


That is the vacuum purge solenoid for the charcoal canister (EVAP system) One end goes to a small brass barb on the back (firewall side) of the intake manifold towards the brake booster side. and the other hose goes to the charcoal canister on the firewall under where your Underhood fuse box is.

EDIT:
I just looked through my diagrams...the only mention of a pink wire I could find was the power wire color for he SRS system from the under dash fuse panel.

But the Harness that runs to the ignition switch is a 7 pin connector and runs from the ignition key cylinder to the top of the fuse box, and I swear it had a pink wire in it along with WHT/BLU, BLK/YEL, and some other wires to give you a reference.
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Old 12-06-2009, 07:03 PM   #29 (permalink)
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Today I've figured out all but the YEL RED wire in the large bundle.

I have two more wires ( one BLK, other WHT BLU ) to figure out from the square shock tower 10 pin connector ( connector has the large WHT BLK starter and large BLK YEL altenator wires. )

TomO, Do JDM civics have obdII ports or could I wire one up with my ecu? Also, there is no metal tab on that ground block, perhaps the larger black wire in the bundle went to a ground point?
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Old 12-06-2009, 07:13 PM   #30 (permalink)
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also, the PNK wire goes to the blu 8 pin connector. I still have to figure out what the other 7 are for.

Does anyone know what these connectors are called?

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