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New Info for B-series swaps into '96 - '00 Civics

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Old 08-14-2011, 06:26 PM   #1
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Default New Info for B-series swaps into '96 - '00 Civics

Just got done confirming a few things that I've yet to see any mention on.

  1. '97 - '01 CR-V engine harnesses are a direct fit in '96 - '00 Civics with a B-series swap. Use a '97 - '98 CR-V harness in '96 - '98 Civic, '99 - '01 In '99 - '00 Civics (except HX) Tested, confirmed. If using an automatic harness you'll need to do a little extra wiring, more on this later.
  2. '97 - '01 CR-V driver's side fluid filled rubber mount fits '96 - '00 Civics, I don't know if it's any stronger than the civic unit, but it fits, tested, confirmed
  3. For those doing LS/B20 swaps into '99 - '00 Civics (except HX) '99 - '01 CR-V distributors use the correct small plug eliminating any cutting and splicing. Confirmed.
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Old 03-27-2012, 05:38 PM   #2
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Default Re: New Info for B-series swaps into '96 - '00 Civics

so a few questions about this, cant find much info besides this post.

ive got a 98 civic with a 01 b18b swap.

if i go get a crv harness its got to be for the chassis year not the engine year?
the obd2a_obd2b differance confuses me.

will a jumper harness be needed to connect the crv harness to a LS ecu?

mainly @ 98EG8, "If using an automatic harness you'll need to do a little extra wiring, more on this later." i found your other thread about the dizzy plugs but not this, can i get a link or more info on differances of the auto or manual harness?
i imagine its a PITA to find a manual crv harness?...

TIA.
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Old 03-27-2012, 06:09 PM   #3
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Default Re: New Info for B-series swaps into '96 - '00 Civics

Not sure if its been posted or known before, you can flip a LS throttle cable bracket and use a SOHC cable its a pretty good fit its what I did on my setup
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Old 03-27-2012, 06:30 PM   #4
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Default Re: New Info for B-series swaps into '96 - '00 Civics

Quote:
=98cdmej6;47098146
ive got a 98 civic with a 01 b18b swap.

if i go get a crv harness its got to be for the chassis year not the engine year?
the obd2a_obd2b differance confuses me.

will a jumper harness be needed to connect the crv harness to a LS ecu?
Use the harness for your gen of car...you have a 98 civic, so you use a 96-98 haness


You don't need a jumper harness if using if using an obd2A ecu

Last edited by Deetz; 03-27-2012 at 06:50 PM.
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Old 03-27-2012, 06:40 PM   #5
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Default Re: New Info for B-series swaps into '96 - '00 Civics

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Originally Posted by Deetz View Post
Use the harness for your gen of car...you have a 98 civic, so you use a 96-98 haness


You don't need a jumper harness if using if using an obd2A ecu
gotcha, thanks man
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Old 03-28-2012, 04:03 AM   #6
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Default Re: New Info for B-series swaps into '96 - '00 Civics

Quote:
Originally Posted by 98cdmej6 View Post
if i go get a crv harness its got to be for the chassis year not the engine year?
the obd2a_obd2b differance confuses me.
Correct, although something I found out after I posted this is it looks like '98 CR-Vs are OBD2B. I *think* '97 only CR-Vs are OBD2A.

Quote:
Originally Posted by 98cdmej6 View Post
will a jumper harness be needed to connect the crv harness to a LS ecu?
If one is OBD2A and the other is OBD2B then yes. If you're using an '00 - '01 Integra ECU they have an immobilizer that you'll need to remove if you want the vehicle to start (it will throw a CEL for bad ECU but otherwise run fine unless you replace it with a dummy unit)

Quote:
Originally Posted by 98cdmej6 View Post
mainly @ 98EG8, "If using an automatic harness you'll need to do a little extra wiring, more on this later." i found your other thread about the dizzy plugs but not this, can i get a link or more info on differances of the auto or manual harness?
i imagine its a PITA to find a manual crv harness?
I never did find out anymore on this. I'd kind of forgotten about it honestly and haven't gotten my hands on an automatic CR-V harness to check. When we swapped the B20 into my friend's '99 Civic we just happened to get really lucky and found someone parting out an '01 5 speed CR-V and got the engine harness out of it.
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Old 03-29-2012, 04:56 PM   #7
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Default Re: New Info for B-series swaps into '96 - '00 Civics

well ive done MORE digging and found another hiccup...
apperantly 97s didnt come in manual, majestic has mauals listed for 98+, so im unable to get a harness thats both obd2a and manual.

so would it be easier to...
convert a 97 obd2a auto to manual,
convert a 98 obd2b manual to obd2a,
or (maybe, just throwin it out here) "upgrading" both harness and ecu to obd2b, like my motor, but im not sure of how simple that will be.

im doing this because im sick of the hacked harness(useless plugs, extra wires, no heatshrink on splices, ect.) in my car, and am going to mildly tuck the new harness so im looking for one thats going to be close to plug-n-play so i dont have to do alot of splicing, or cut into the harness at all. just tryin to keep it simple.
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Old 03-29-2012, 05:22 PM   #8
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Default Re: New Info for B-series swaps into '96 - '00 Civics

It's probably easiest to use a '96 - '98 5 speed EX harness and wire in the the secondary O2 sensor (or swap in a '96 - '98 EX cabin harness)
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Old 12-24-2012, 06:23 PM   #9
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Default Re: New Info for B-series swaps into '96 - '00 Civics

hey i have a question about using a 99-00 civic si harness in a 99-00 ex. the ex harness has 4 plugs and the si harness only has 3? someone told me that the 4th plug is integrated into the firewall or something. im lost on this situation. if you could help me clear things up and tell me what i need to do to use the si harness in this car with a b16a2. thank you for your knowledge and time!
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Old 12-25-2012, 05:37 AM   #10
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Default Re: New Info for B-series swaps into '96 - '00 Civics

A 96-98 EX harness which has 3 plugs (excluding the green plug) and the 99-00 Civics had only 2 (excluding the green plug) because the 3rd connector is incorporated into the chassis harness.

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Old 12-25-2012, 06:24 AM   #11
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Default Re: New Info for B-series swaps into '96 - '00 Civics

so confused. i cant look at my car/harness right now. so all 99-00 even EX's have only the two(3total) plugs? so the si harness IS plug and play with 99-00 EX? my "A" plug will be in the cab on the ex?
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Old 01-03-2014, 10:25 AM   #12
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Default Re: New Info for B-series swaps into '96 - '00 Civics

I'm gonna correct this in only one way for anyone searching for ways to swap a b-series into an ek. If this is a b-series vtec engine you need to wire in the vtec wires, if gsr wire in the iab. Depending on the harness the knock sensor wire may be there already. Infact I'll say if its an obd2b crv engine harness than the knock sensor plug is there. I know because I have the high compression crv engine and it has a knock sensor in the back.

Actually this post also confirmed with me that it may be possible to swap an automatic b20 into the ek. I'm totally making progress on this.
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00, 96, bseries, civic, civics, dx, engine, harness, honda, hondatech, ls, powerful, series, swap, swaps, wich

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