I know I've posted before, and some of you may think Im a bit annoying now, but, please hear my plea. Imagine not driving your prelude for 5 months, with no idea as to why it wont turn on. And this is after you've replaced all you can think of.. here is what happened, and how im still not running.. suggestions are always open

so my car had that hole where the ecu wires go to the engine open. water got in, soaked my ****, and drown the computer. i stalled down the street, and towed it back home. upon there and trying to start it, i chipped a tooth off my flywheel from the starter from it locking up. so begain the process.. we pulled the motor to swap in a different tranny and look everything over to make sure all the rest was fine. we put on a m2a4, all ACT parts, ect ect.. put it back in, tried to start, and no dice..

skip many trials later and im at today. still not starting. there appears to be no spark. the plugs wont jump a spark for their life.

I've replaced: ecu, engine wiring harness, distributor, main relay, and swapped out other pieces like a AEM fuel rail.

Now, im getting fuel pressure, just no spark like i said. I suppose a new pack of spark plugs wouldnt be a bad idea, but, these plugs are new anyways.

Its on a h22a(1992) in a 1996 chassis, with a 95 usdm engine harness.

Im at my wits end with this thing, i have no idea why its not starting. can anyone please give some insight.

 

Hmmm have you replaced the coil? Also checked all the fuses?

 

At this point in the game, I suggest you hold off on throwing replacement parts at the problem and gain the assistance of someone with in-depth experience on troubleshooting problems like this.

There are far too many things that could be wrong at this point for a tech-board to be able to help you unfortunately. There's too many variables added in since the work was done yourself.

I'm not sure if you have places like this in Kansas, but here we have places that do nothing but troubleshoot and diagnose. They're mostly run by retired guys who've seen and done just about everything.

I applaud your effort and willpower to get your own hands dirty and learn about your car, but you've got to know when to fold.

 

just an idea, you said your ecu got soaked? have you replaced your ecu?

 

^<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TylerC161 &raquo;</TD></TR><TR><TD CLASS="quote">I've replaced: ecu</TD></TR></TABLE>

What condition is your battery in? It might not be able to produce the amps necessary to turn the motor over right now.

 

Make sure the ecu works on different lude, before u spend money on other things.

 

Find someone with a running Lude and start troubleshooting parts. Move your ECU to his car and see if it works. Soon enough you will find what is't working.

The car should be throwing a CEL, what is it?

Stupud question: The car ran fine w/ the swap and before the water got on the ECU?

 

Check the grounds at the thermostat housing...if you do not connect that you will not recieve spark but you will get fuel pressure I believe. Try that.

 

ill check this. thanks..

and yes, it ran fine til all the water issues. but yes, i replaced the ecu.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VTECnKEN &raquo;</TD></TR><TR><TD CLASS="quote">At this point in the game, I suggest you hold off on throwing replacement parts at the problem and gain the assistance of someone with in-depth experience on troubleshooting problems like this.

There are far too many things that could be wrong at this point for a tech-board to be able to help you unfortunately. There's too many variables added in since the work was done yourself.

I'm not sure if you have places like this in Kansas, but here we have places that do nothing but troubleshoot and diagnose. They're mostly run by retired guys who've seen and done just about everything.

I applaud your effort and willpower to get your own hands dirty and learn about your car, but you've got to know when to fold. </TD></TR></TABLE>


are you kidding? there is more of a wealth of information here than you will find most anywhere.....you just have to find the right people.....don't assume that everyone on this board is a kid

 

I would say to check the coil, just like what was said above.

Again, the easiest way is to use another h22 and try your parts in a working car.

I'm in with thinking its the coil, sounds like a classic case of that...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Silver Surfer &raquo;</TD></TR><TR><TD CLASS="quote">are you kidding? there is more of a wealth of information here than you will find most anywhere.....you just have to find the right people.....don't assume that everyone on this board is a kid</TD></TR></TABLE>

I'd like to see "the right people" fix his car by typing every possibility with his problem. This isn't just a weird sound or a lumpy idle. The car doesn't start, and all he's done about it is replace parts.

There's a difference between having a wealth of information (which this board does have) and being able to troubleshoot why a home-swapped motor with a bunch of replacement parts and trials and errors car won't start. The orignal poster has already tried to get his car to start numerous times, based on suggestions and speculations from people on this board in the past.

To conclude, I wasn't talking smack about your beloved board, I was just giving him my recommendation of a guaranteed way to troubleshoot his car. Because, an internet forum can't help him AT THIS POINT.

 

maybe none of these suggestions will help, but i dont see it hurting him. and you might be surprised at how many people in this forum have in-depth experienced on troubleshooting problems like these

 

well and see, its not a home "swapped" motor either.. it ran when i took it out, it was always a h22a.. once we put it back in, is where the problems happened..

does anyone have a straight answer for : Will i need to rewire my usdm harness at all to work with the jdm engine and distributive system?

 

yes, you will have to re-wire it

im going to eventually just make a damn thread with pictures on how to do this for everyone.....if you did your own research on it, you would realize that yes, you do, go look at the civic hybrid threads, they show how to do it, not directly, but you can figure it out

swapping a motor is taking one out and putting another one back in, so what you did IS a swap

making a hybrid is a whole other story...

you might find it helpful to have a better attitude on here dude, stop acting like some sort of a-hole know-it-all.....you don't, and you're the one with the f'd up prelude, not us....so chill out

 

I had the same problem I got my ECU soaked on my fifth gen. I replaced the alternator, cause it tested bad, and I replaced my speed sensor * because my tach was going up and down. * long story short in the end it turned out to just be the ECU fuse.

My point *

its prob something really stupid :\ dont be to hasty with the new parts trust me. I got lucky and was able to get a real hook up on the alternator and speed sensor ( almost free ). Otherwise I would have definitely felt like an *** . Check all the simple things.

 

my bad. I wasnt meaning to sound like a dick, I was just curious.

I'll look how to rewire the harness, if you find some good links, post them here.. thats ONE reason why I wont spark (obviously) not having re-wired my harness or anything..

I've checked all the fuses under the hood, and test lighted the others.. though, i think there's fuses missing in my interior.. I looked through the Prelude manual and found no diagram as far as the fuses in the interior going to stuff..

heres a picture of my interior fuse box:



(click for bigger image of corse)

Thanks for the help thus far guys, you're giving me new ideas. I'll keep you updated.

 

What type of lude did you have prior to getting the H22? (s, si, si-vtec)

A JDM H22 has an internal coil, you need to use a USDM H22 or H23 dizzy and external coil with the usdm harness.

goodluck

 

Heres a little more detail for all who need to know:

It was a 1996 prelude Si Auto.. a place locally did a swap to a jdm h22a manual.. at this time i didnt own the car yet.. i bought the car and drove it for a while. thought one day (like i kinda said) water seeped in the hole where the ecu wires go to the engine.. it soaked my floor in water.. i drove down the block and it died.. i towed it back up the road to my house, and started to check it out.. it would turn, but click bad.. after a few more turns the click was REAL loud, then it never happened again.. at this point, with the f22 tranny that they had in there, and other problems (like a small fuel leak from the rail from not tightening it enough when i put a skunk2 manifold on), we decided to pull the motor, put in a m2a4 tranny, and get it running right.. which, upon pulling the motor we noticed those clicks were from the flywheel.. the starter chipped off a tooth off the fly, and thats why it never made the sound again.. so we pulled it, added all my parts, new clutch, tranny, flywheel, pressure plate, fuel rail, fuel pressure regulator, fuel pressure gauge, dsm injectors (planing to boost, just waiting for motor to actually run right, i have all boost parts), and tried starting it.. it wouldnt work.. the power was arching.. we knew something was up.. someone helping actually put a power to the fuse box, then on the other hook up grounded it to the chassis.. yea, i know, bad idea.. we found that and fixed it.. then on trying it again it was a slow crank, with no start.. sounded like a dead battery; thats the closest description.. i got the battery checked, starter checked, alternator checked, and they were all good.. we tried again.. nothing.. i got a new dizzy, nothing.. got new plug wires.. nothing.. tried a new computer (since i thought i might of fried the p28 doing the whole power arching thing) and still nothing.. got a usdm harness (which i just found out i need to convert to internal coil, or, use a usdm dizzy) and obviously got nothing..

so im at a standpoint now, knowing i need to rewire the harness to internal coil.. i would rather do this over a swap to external, since i have 3 spare internal coil dizzy's in case one goes out.. if i went external, all of those would be junk to me..

i spent the last 30 min searching for "h22 harness" in all forum topics, and found nothing.. can anyone please point me in the right direction so i can wire my usdm (1995) harness to work with my 1992 jdm h22a


Modified by TylerC161 at 11:02 PM 11/13/2006

 

i have explained this before many times

GO LOOK IN THE CIVIC H22 HYBRID THREAD

that is where the info is, this is how I figured it out....go look there

 

Im still looking.. I see how to convert a obd2 to obd1, but thats it..

the 95 harness is still obd1, just like the motor already is, so thats not what im looking for..

seems to still be no post about how i go about using my usdm engine harness to work with internal dizzy on the motor.

 

you just connect the black and yellow wire that used to feed the external coil to the black/yellow input wire to the dizzy

the yellow and light green wires at the coil can be disposed of

 

Sounds good. I'll just extend those on over tomorrow.

Just to clear up:

At my dizzy, if i splice off about 1cm of the plastic wrap around the black/yel wires, i can just wrap extended wires from the harness, wrap around them and then solder it?

Or do i need to completely remove the old wires from the dizzy, and install the new ones?

and those wires i can "dispose of".. would it HURT to keep them there? or should I just clip them.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bb4ever &raquo;</TD></TR><TR><TD CLASS="quote">i have explained this before many times

GO LOOK IN THE CIVIC H22 HYBRID THREAD

that is where the info is, this is how I figured it out....go look there</TD></TR></TABLE>

it's not really in the civic h22 thread fyi.

you see when you do an h22 swap, you don't use the prelude harness, you use the civic harness, the only real wiring you have to do is extending wires, adding in a knock sensor pinout if you wish to use the p13 ecu, converting the o2 sensor depending on year/model etc. and wiring up a resistor box if you wish to use the prelude injectors.

thursday afternoon when putting his harness on and testing it with no spark, i assumed he had read the prelude swap faq's, and told him that i was pretty sure that we needed to wire the car for internal coil. i wasn't 100% sure because i haven't always wired my lude swaps in the past for internal coil, though i did do the rewire on my blue prelude 3 or 4 years ago.

thanks for the confirmation.

 

well then just use your brain, that is the only resource i needed to wire my obd2 h23 harness up to an obd1 h22a with internal coil

that required not only converting to internal coil, but making my own adapter harness to go from the crank sensor plug down at the oil pump up to the dizzy

using your brain on this stuff helps guys, you know you need +12v to the dizzy, so get out your multimeter, find the +12v, and wire it to the dizzy, you don't just have to be some automaton that requires reading a writeup on everything before they can do it

the best way to do it is to figure out how to take the pins out of the the connectors, that way you can just plug the black/yellow right into the dizzy clip if i remember right