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Old Dec 12, 2007 | 11:33 AM
  #1  
those70'sfords's Avatar
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Cool Resistor wire

I need help!
I was trying to install aftermarket power windows, and in doing so I did not realize that I had "spliced" into the Resistor wire that runs from my ignition switch to my control module.
I ended up ruining the insulation from the ignition terminal to where I had the splice (about 1.5" in length).
I did not realize till after I made the mistake that this particular wire (red/green) was labeled " DO NOT CUT OR SPLICE".
What is the best way to remedy the situation? I can not seem to find anywhere that carries this type of wire and i sure don't want to re-wire the entire truck!
I hope someone out there has run accross this and can help.
Thank you in advance.
 
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Old Dec 12, 2007 | 12:10 PM
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Go to a parts store and purchase a length of Resistance wire.
 

Last edited by Mil1ion; Dec 12, 2007 at 12:20 PM.
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Old Dec 12, 2007 | 12:20 PM
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So by splicing a fusible link wire (the resistor wire is 16 GA.) Would this fix the problem?
The resistor wire seems to be made out of stainless steel rather than copper.
Thanks.
 
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Old Dec 12, 2007 | 12:20 PM
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Sorry... I made a mistake.... see above.


http://prestolitewire.com/pages/igni...emblies/38.php

Check with a local wholesale electronics supplies store that sells stuff over the counter.
 

Last edited by Mil1ion; Dec 12, 2007 at 12:40 PM.
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Old Dec 12, 2007 | 04:51 PM
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those70'sfords, here's a wiring schematic for the 1977 Ford truck
https://www.ford-trucks.com/user_gal...d=5951&width=0
https://www.ford-trucks.com/user_gal...1&albumid=1232

If truck is equipped with and Automatic Transmission, then there will be additional wiring thru the NSS then to the starter relay ( aka Starter Solenoid).

On a side note, I have found, most of the time, those resistor wires from the ignition switch under them dash boards run a little warm, when the engine is running. Someone chime in if I'm wrong.
 

Last edited by 1975Ford; Dec 12, 2007 at 04:57 PM.
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Old Dec 12, 2007 | 06:12 PM
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His problem is he blew the ignition resistor power wire from putting too much draw on it.

It isn't an NSS problem and doesn;t ned a schematic.
He just needs a piece of the correct resisitor wire to splice in
 
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Old Dec 12, 2007 | 07:07 PM
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I may be off the wall here but I thought that the resistance of the wire was related to it's length. In other words splicing in a replacment piece would effectively change it's resistance, albiet not by much, but I'd be inclined to just go to the junkyard and pull a new one in it's entirety.
 
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Old Dec 12, 2007 | 07:30 PM
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Yes it is.

Measurement is by gauge and length.

I too would get another one from a truck at the wrecker's But I presumed he wasn't near one
 
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Old Dec 12, 2007 | 07:40 PM
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resistor wire

1977/86 all cars & trucks

D7AZ-12250-A .. Resistor Wire-Ignition Coil (Motorcraft DY-213)

#16 gauge wire / Color Coded RED with GREEN stripes / 49" -long

This wire is already made up-ready to install.

Available from Ford >> List Price $33.62 << NAPA, other parts stores.

NAPA can cross the Motorcraft number over to their brand.
 

Last edited by NumberDummy; Dec 12, 2007 at 07:55 PM.
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Old Dec 13, 2007 | 08:36 AM
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Thank you all so much for your responses.
The first option I intend to try is to splice a piece of the correct resistor wire (about 3"). I will then test the wire and see how many ohms it is drawing. Correct me if I'm wrong,my understanding is that this particular wire should be within 1.05-1.15 ohms. Should I be alright if I can stay within the recomended ohms?
 
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Old Dec 13, 2007 | 12:36 PM
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You know ....You can't solder or put any heat to this wire ....right ? ..it will melt.


Just checkin
 
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Old Dec 13, 2007 | 12:39 PM
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Mil1ion, I know a fusible link will melt,
but, will the resistor wire melt?
 

Last edited by 1975Ford; Dec 13, 2007 at 12:42 PM.
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Old Dec 13, 2007 | 12:42 PM
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Yes, they melt as well
 
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Old Dec 13, 2007 | 12:55 PM
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How far (length measurement) from the ignition switch is this resistor wire located?
 
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Old Dec 13, 2007 | 12:56 PM
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It goes right into the switch plug as part of the 14401 harness.


 

Last edited by Mil1ion; Dec 13, 2007 at 12:59 PM.
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