Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Need help building my B20

 
Old 12-03-2003, 03:40 AM
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Default Need help building my B20

Whats up people. I need help building my b20. If im using a p75, am i goin to need any special harness adapter. Its goin into a 95 coupe.
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Old 12-03-2003, 09:08 AM
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Default Re: Need help building my B20 (Can't Afford Boost)

The b20 is a 97 so yeah its obdII i think i kno for sure my coupe is obdI. thanx
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Old 12-03-2003, 10:18 AM
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Default Re: Need help building my B20 (jp300zxtt)

and obdII motor will plug right into an obdI car....you just need to have an obdI ecu for it
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Old 12-03-2003, 11:01 AM
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Default Re: Need help building my B20 (Can't Afford Boost)

no you will need an obd2-obd1 conversion harness.
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Old 12-03-2003, 11:09 AM
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Default Re: Need help building my B20 (Can't Afford Boost)

I think you guys are talking about different things here. You will need to use the Wiring harness from your stock motor and convert it to the new motor. then you will need to find an obd1 ecu and it plugs right in.

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Old 12-03-2003, 11:10 AM
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Default Re: Need help building my B20 (Can't Afford Boost)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Can't Afford Boost &raquo;</TD></TR><TR><TD CLASS="quote">If the motor is OBDII you will need a OBDII-OBDI adapter since the ECU is OBDI.</TD></TR></TABLE>

a 96 up motor into a 95 below car will drop right in without any extra wiring.
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Old 12-03-2003, 11:11 AM
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Default Re: Need help building my B20 (Can't Afford Boost)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Can't Afford Boost &raquo;</TD></TR><TR><TD CLASS="quote">So the OBDII wiring harness will directly plug into an OBDI ECU??</TD></TR></TABLE>

which wiring harness are you talking about?
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Old 12-03-2003, 11:21 AM
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Default Re: Need help building my B20 (Can't Afford Boost)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Can't Afford Boost &raquo;</TD></TR><TR><TD CLASS="quote">So the OBDII wiring harness will directly plug into an OBDI ECU??</TD></TR></TABLE>
the OBDII engine harness from the OBDII B20 should plug right into the Civic harness at the shock tower.then just plug an OBDI ECU into the factory Civic interior harness.
if you don't have the whole B20 engine harness,you could aslo retain the stock Civic engine harness.you'll have to swap the injector plugs to the OBDII style,but everything else should plug right on to the OBDII motor.of course, the Civic harness won't have the plugs for the additional OBDII sensors found on the motor-like the crank flux sensor on the oil pump-but it won't matter since the OBDI ECU won't look for them anyway.
chris
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Old 12-03-2003, 12:28 PM
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Default Re: Need help building my B20 (Can't Afford Boost)

I have the complete b20 wiring harness that came with the motor. Someone told me though that i needed a conversion kit. thanx for the help.
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Old 12-03-2003, 12:31 PM
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Default

stop stop stop stop stop

i have to put a stop to all of this misinformation...

the 96-00 civic engine harnesses are all one piece. the b20's engine harness is the same way. it runs from the motor THROUGH the firewall and down to plug into the ecu.

the 92-95 civic and integra (similar but not exact years [someone else can clear the years up but its not that relevant]) engine harnesses are TWO PARTS. The first part goes from the motor to the shock tower near the engine fuse box. this is a JUNCTION POINT between the two parts. The second part runs from the shock tower through the firewall down to the ecu.

When putting an OBD2 engine in a 92-95 civic you really only have one logical option.

-take the motor side of your harness and modify (entend/shorten plugs) it to fit the obd1 motor.

other than that you can use the obd2 harness but im not even going to get into that.
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Old 12-03-2003, 12:45 PM
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Default Re: (thinkbrianthink)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by thinkbrianthink &raquo;</TD></TR><TR><TD CLASS="quote">stop stop stop stop stop

i have to put a stop to all of this misinformation...

the 96-00 civic engine harnesses are all one piece. the b20's engine harness is the same way. it runs from the motor THROUGH the firewall and down to plug into the ecu.</TD></TR></TABLE>
i'm sorry for the wrong info....i wrote that without thinking first.i was thinking about an OBDII integra engine harness.you are correct that the easiest thing to do is use the stock Civic engine harness and modify it to work on the B20,and use an OBDI ecu.
sorry for the brain fart
chris
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Old 12-03-2003, 12:57 PM
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Default Re: (TeamNextGenChris)

ok got it, hopefully this thing will be done soon just waitin on a couple more parts.
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