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Discussion Starter #1 (Edited)
http://www.angelfire.com/d20/hcivic88/dx-siwiring.html

it says the si wiring harness will be much harder to use...does this mean i dont have to get the si wiring harness? if so how would i connect the wires to the injectors without the extra plugs that attach to the injectors?
 

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'06 GMC Sierra Crew
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170 Posts
Pick up a complete Si engine harness. You will use more than just the injector plugs off it. It will make the job MUCH easier.
 

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91 civic dx sedan
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351 Posts
so he needs the engine wiring harness correct????
 

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'06 GMC Sierra Crew
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170 Posts
if u get the Si harness, why not just get the ECU side, install and b done with it?
The ECU side is part of the main harness. So you'd need to swap over the Si main harness too. Needless to say it would be a HUGE PITA. I briefly thought about since my interior is gutted with no dash etc. and still decided against it. I cant even imagine thinking of doing that with a full interior.
 

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Discussion Starter #10
The ECU side is part of the main harness. So you'd need to swap over the Si main harness too. Needless to say it would be a HUGE PITA. I briefly thought about since my interior is gutted with no dash etc. and still decided against it. I cant even imagine thinking of doing that with a full interior.
thats why im going doing it the ghetto way
 

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The H Badge is it!
91 crx
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5,657 Posts
when i did, was i went to the junkyard with a 10 dollar bill, flat head screwdriver and a 10mm wrench. grabbed a resistor box, injector plugs and a random plug with 4 wires on each side, and the distributor plugs.

the 4 wires u need to lead from ecu (a3 and a7 i think?? and c1 and c2) both go into the random plug, then the 2 A wires to proper injectors, and the C wires to the distributor... as for the big distributor plug, i just depinned the stock one, and repinned them into the big one.

any questions PM me.....
 

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Just curious on how many wires are linked to the main harness... it can't be more than 6-10... but I see your point.
 

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94 G20
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132 Posts
im about to do mine, but im using a boomslang obd0 to obd1 mpfi harness so i just need the injector plugs. But getting the si harness will deffinatley help you out.
 
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