ok so i got some wire and am starting to rewire my wiring harness. whre can i find how to wire high impedence injectors to use for a low impedence? i know you can do it just cant find the instructions. also is this stock or was this made after (large grey wire)?

and where can i find 1 connector for the injectors. i just need one.

 

Wow, quite the mess you've got there! To make high-imp injectors work on a low-imp harness, you just run the wires straight from the ECU to the injectors. The harness is the only thing that has anything to do with the impedance of the injectors. It either came with the resistor pack connector, or it didn't. And since if you have a low-imp harness, it has the resistor pack, all you need to do is wire it so it bypasses this. If you were putting low imp injectors into a high harness, then you must install the resistors. Does this help?

 

yes it does. so i take the primries and run one wire then split it off to two or somthing similiar? i shouldnt think this late.

ok now what is this?

 

bump.

 

No. Basically if you're rewiring your harness, you just run the wire straight from the injector pins on the plug, to the injector clips, and that's all.

 

ok thanks. time to look over the wiring diagrams.

 

I think the 12v source may all run together, I'm not positive. But I know there are 4 pins on the center plug that are the ones that run to the resistor pack.

 

Umm hard to tell in those pics since it's so messy but I would give a guiess at the O2 wire since the O2 has extra shielding around it.

The injectors wires are green with ...... color and are on the small yellow plug which goes to the ECU.

Check the FSM for that year harness to see what pin out's they are.

 

so i can just take off the reisistor pack (the white thing in the picture?) and wire them directly from the ecu?

also i think there are a bunch of plugs (green, light green, yellow, orange, grey, and blue) that i dont think connect to anything i need (were they for the spider lines?) can i just remove those too?

 

www.rotaryresurrection.com check injecotr section. I think he has a write up on what needs to be jumped to make a low imp run high imp.

 

thanks. i knew i saw it somewhere but i couldnt remember where.

 

Are you trying to make a custom harness or you just trying to repair the one you have.

If you are retaining a large portion of the old harness I would think that you could jumper the connector at the resister block to bypass the resisters.

ed

 

do i still need the resistor pack or could i branch off from the main lead wire to each individual injector?

***IF using HI injectors on a LI harness, you must unplug the resistor pack. Next, locate the supply wire in the center of 5 terminals. Bridge jumper wires from this terminal to each of the 4 outlying terminals, which basically completes the circuit without resistors, carrying the HI injectors' 12-13 ohm load directly to the ECU just as a HI harness would.

 

Well technically you could just cut the injector wires a few ineches from the plugs and just run new wires.

I kind of like this idea since I am currently buying a harness due to shitty wires not making one injector not open.

 

like from the ecu to the injectors themself? and leave off the resistor pack? if so it will clear ALOT of clutter up.

 

yup.

That's what High impedance harnesses are.

 

woohoo. that made my life alot simpler. thanks

 

ok i have one wire running from the ecu, one per injector and the injector has 2 plugs. what do i do to finish that? run a wire from the primary to primary and secondary to secondary injector?

 

and where the hell can i buy the injector clips that plug the harness into the injector? i need 2 gray ones for the high impedence ones.

 

Disconnect the solenoid resistor pack from the harness.

Get a pair of dykes out.

Cut the solenoid resistor harness right in the middle.

Put the half of the harness with the resistor pack on the shelf.

Strip the five wires on the plug half that is left and crimp/splice all five together.

Reinstall the plug with the five wires that are crimped all together.

Done.

 

http://www.teamfc3s.org/forum/showth...threadid=31110

Don't pay much attention to the red words in the jpg. It was for another post. On the left is what you would see if you took the solenoid resistor apart. Two 2X6 ohm resistors. The power wire goes by itself to the other end.

Cut the harness you see to the right in the middle. Then join all five wires together, cover with shrink tubing, and reinstall the plug on the car harness.

 

well i got rid of the resistor/plug due to shitty wires. so i can just run a wire from one injecrot plug to the other one (primary to primary, or primary to secondary (by front and back of course) to complete the circut?

 

also do i need to use the black power wire to ?

 

OK.....assuming you still have the plug that connected to the solenoid resistor still attached to the harness.....You can cut that plug off.

Then join ALL FIVE wires together. Yes. ALL the five wires together in one big bunch. Of the five wires, ONE is the power wire. It should be black/yellow. All your doing is supplying 12v to the injectors from those wires. ITs THE other wire on each injector that triggers them on and off by the ECU putting a GROUND on that wire.

You do not have to seperate those five wires at the solenoid resistor. JOIN THEM TOGETHER in a splice. You could use a large gauge butt connector. Put three in one end of the butt connector and the other two in the other end of the butt connector and crimp them. Or just solder the five together and then cover the splice with shrink tubing/electrcal tape/what ever so they won't short out if they touch a ground.

Again....you don't have to seperate them in any fashion. All together. All FIVE. Been there, done that.