Ok.

this is a theory question:

I have a harness, the harness is a "dead end" harness, meaning that all wires terminate here (ok ok, its for my resistor box install)

now, i need to extend four of the 12 or so wires that go to this harness beyond the harness....meaning they need to be extended to go to my resistor box.

i have chosen to simply create four wires with a spade/male fitting soldered onto the end of the wire, which i then plugged into the corresponding injector wires on the harness (Found through a continuity check).

does this create a problem? a user on here thinks that this will cause interference and that the four desired wires must first be REMOVED from the harness. does leaving them in the harness create a problem? thats my question. does the metal or the other wires in the harness create some sort of ciruit or all the wires that enter this harness seperate in their own pin/holes?

edit: to simplyfy things:


When you have multiple wires going into a harness....does power just flow rampid through the harness? or is the purpose of the harness to get power from one wire to cross a bridge to power a wire on the other side of the harness? Basically power is contained in each wire that goes into the harness, right? lets say i have a wire labled "OIL" and a wire labled "WATER" both going into a harness. once the two wires enter the harness (From the same side) will water come into contact with oil?

diagram:


WATER: -- -- -- -- --
Oil: =========
Harness []


so... its one harness not two...just didnt know how to draw it.

-- -- -- -- --[]
======= []


Now, both water and oil terminate at the harness. but lets say i wanted to extend water like so:

-- -- -- --[]-- -- -- -- --
===== []

by doing this...would oil touch water since they both enter the same harness?


lol....this is tough stuff

 

no, the wires are straight thru, the harness is plastic and keeps all the stuff seperated

 

One other thing; when working under the hood, always splice and solder. Don't use connectors. They can corrode and/or get loose over time.

 

It is really hard to tell from your discription, if you terminate two wires at the same location which means connect them together, then both wires will be held at the same potential.

But maybe you are using the word terminate incorrectly?

You shouldn't have to remove wires to test them. There is a catch though, if anything else is connected to that wire that you are testing then your measurement may be incorrect. For example if you have two wires, half way down the wire is a 10 ohm impedence at the end of the wire is a 100 ohm impedence. Now those impedences can be anything (injector, light bulb, oil sending unit). If you try to measure the impedence of this wire then it wil be 9.09 ohms not the 100 ohms at the end of the wire.

So you need to be careful that the only thing you are testing is the only thing on that wire. You should be able to tell this from a wiring diagram of the car.

Still kinda confused on what you are trying to do.


Modified by nsxxtreme at 6:37 AM 4/29/2005