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NEED HELP!!! GSR SWAP IN EG.. WIRING HELP!! B18C1 OBD1 SWAP

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Old 02-04-2007, 11:47 PM
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Default NEED HELP!!! GSR SWAP IN EG.. WIRING HELP!! B18C1 OBD1 SWAP

hey guys.. i need some help seeing where these plugs go???
im not using power steering.. let me know thanks a lot
these pics are on the fuse box/ battery side of car



this pic is of harness under intake manifold..

Old 02-04-2007, 11:51 PM
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Default Re: NEED HELP!!! GSR SWAP IN EG.. WIRING HELP!! B18C1 OBD1 SWAP (gotboosthatch)

the first two plugs plug you dont need to plug in.

the last three plugs go to

1 purge valve.
2 iacv
3 iat

the first one in the third picture. the one with the longest wire goes to the iacv.

the other two you just have to figure out. swap them if they throw a light
Old 02-05-2007, 12:00 AM
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Default Re: NEED HELP!!! GSR SWAP IN EG.. WIRING HELP!! B18C1 OBD1 SWAP (turbociviccoupe)

someone said that the green plug on the right went to PS??
Old 02-05-2007, 12:01 AM
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the first one in the second picture. the one with the longest wire goes to the iacv..

u mean the 3rd pic???
Old 02-05-2007, 12:03 AM
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Default Re: (gotboosthatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by gotboosthatch &raquo;</TD></TR><TR><TD CLASS="quote">the first one in the second picture. the one with the longest wire goes to the iacv..

u mean the 3rd pic???</TD></TR></TABLE>

yes i had to ninja edit that.


Old 02-05-2007, 12:08 AM
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thanksss..ill try it and check it out..
Old 02-05-2007, 12:17 AM
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Default Re: (gotboosthatch)

you shoulda did all the wiring then drop the motor in the car, woulda made it a lot easier
Old 02-05-2007, 12:18 AM
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Default Re: (fmrprojects)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fmrprojects &raquo;</TD></TR><TR><TD CLASS="quote">you shoulda did all the wiring then drop the motor in the car, woulda made it a lot easier</TD></TR></TABLE>

cheers to you buddy !

live and learn
Old 02-05-2007, 08:13 AM
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how??? the harness was already on the gsr swap motor? everything was plugged in except i didnt know where these couple went?? any help???
Old 02-05-2007, 11:55 AM
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anyone???help??
Old 02-05-2007, 02:47 PM
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Default Re: (gotboosthatch)

post the wire colors to the mystery plugs and I will see if I can help
Old 02-06-2007, 02:19 PM
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Default Re: (B18EG6)

if need ne more wire colors just let me know! as wel as pics! this might help

purge yellow/red two wires
vtec green-yellow one wire
vehicle speed sensor black/black/green three wired
ground black/brown multi
map white/yellow/green three wires
tps red/red/yellow three wires
idle air control black/blue two wires
intake air temperature green/red two wires
knock red-blue one wire
oil pressure yellow-red one wire
injector 1 brown/yellow two wires
injector 2 red/yellow two wires
injector 3 green/yellow two wires
injector 4 yellow/yellow two wires
reverse yellow/green two wires
O2 sensor 4 wire plug four wires


Modified by Olivemyhonda at 4:51 PM 2/6/2007
Old 02-06-2007, 03:07 PM
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Default Re: (Olivemyhonda)

thanks..ill let u know
Old 02-06-2007, 03:57 PM
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Default Re: (Olivemyhonda)

those colors look correct for the most part.. I am heading to the gym, when I get back I will post up all the wires in my obd1 harness
Old 02-06-2007, 06:40 PM
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Default Re: (B18EG6)

now were talking!
Old 02-07-2007, 06:04 AM
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Default Re: (Olivemyhonda)

okay here it goes... this better help you

Passenger side 10 pin

Pin Color Function
1 br/blk Drain for o2 sensor
2 wht/red (shielded) o2 sensor
3 br/blk Drain for distributor bundle
4 orange (shielded) Distributor
5 White (blue diamonds) Distributor
6 org/blue (shielded) Distributor
7 wht/blu Distributor
8 blu/grn (shielded) Distributor
9 blu/yel Distributor
10 red/blu (shielded) Knock sensor

All of the above drain wires are grounded to the thermostat housing

Passenger side 14 pin
Pin Color Function
1 wht/grn Alternator
2 org/blk o2 sensor
3 grn/yel VTEC solenoid
4 grn/wht MAP
5 wht/yel (grn diamonds) MAP
6 yel/wht MAP
7 blu/blk VTEC Pressure switch (other pin grounds to thermostat housing)
8 red/blk TPS
9 grn/blu shared signal voltage among sensors (discussed below)
10 yel/blu TPS
11 yel/grn Distributor
12 red/yel IAT
13 red/wht 2 pin coolant temp
14 wht/red Alternator


Driver side 14 pin
Pin Color Function
1 blk/yel Alternator
2 wht/blu Alternator
3 pink/blu Secondaries
4 blk/blu IACV
5 blk/yel VSS (drain for VSS grounds to thermostat housing)
6 orange VSS
7 blue Distributor
8 yel/red oil pressure switch
9 grn radiator fan switch
10 blk (white diamond) Thermostat ground
11 yel/grn Engine coolant temp (cluster temp gauge)
12 yel/blk shared +12v plug (discussed below)
13 grn/blk Reverse light switch
14 yel (grn diamond) Reverse light switch

The shared +5v signal makes its way throughout the harness and connects to the following components (there may be one or two more, I cant remember here at work):
IAT
TPS
ECU coolant temp (2 pin)

The shared +12v yel/blk signal is shared by the following (also might miss one here, hard to remember with all of my notes)
All 4 injectors
Secondary butterflies
IACV
o2 Sensor

The following all ground to the thermostat housing (the brn/blk wires within the harness are the drain wires, while the black wires are signal grounds):
Drain wire for distributor
Drain wire for knock sensor
Drain wire for 02 sensor
Second pin on radiator fan switch (switch on thermo housing)
Second pin for vtec pressure switch
VSS ground (black wire coming off VSS)


Hope this helps! lemme know if I missed anything I typed it up fast
Old 02-07-2007, 10:51 AM
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haha thankss
Old 02-08-2007, 07:42 PM
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Default Re: (gotboosthatch)

do you guys know where these lines go??



Old 02-08-2007, 08:07 PM
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anyone??? help?
Old 02-08-2007, 08:25 PM
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year and trim level. (ie 92 civic si, 92 civic vx)
and year of the gsr motor you have.

as far as this, it looks like the pcv valve lines.
it plugs into the manifold. looks like you replaced your manifold with a aftermarket one. you need replace the hose so that it reaches the holes on the manifold. (look at the itr and ls set up) and the other hose is for your coolant lines that goes through t/b and iac valve. i'm too lazy to modify your pic. if you want add a 1 and a 2 between the 2 red arrows.


secomdary butterfly solenoid. its on the old stock manifold. not needed on aftermarket single plenium manifolds.
Old 02-08-2007, 08:27 PM
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guessing on the pic. you have a vx model??
if so, you don't need that extra plug, but you might have to grab the 02 wires and move it from that plug to the other ones.
Old 02-09-2007, 11:37 AM
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its a 92 dx.. had vtec already wired

95 gsr obd1 swap
Old 02-09-2007, 02:13 PM
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Default Re: (gotboosthatch)

I THINK YOUR GOING TO HAVE THAT HARNESS LEFT OVER! IS IT ON THE LEFT SIDE OF THE CAR! PASSENGER! IF SO THEN YEAH! ALL HOOK UP BUT ONE!
Old 02-09-2007, 02:36 PM
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yep left side..thats already been figured out..I need to know where to hookup the double lines that hook to the top of the valve cover and go down???
Old 02-09-2007, 11:55 PM
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if ypur talking about this pic. the big one that you circled goes from the valve cover to the air intake tube

the small one goes to the "wax valve" underneath the throttle body.


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