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Still messing with truck but wife made me park it outside so she could have garage in winter. I will probably post in anothr forum also, but, my tuck has the MALLORY UNILITE dist & sensor from prior owner and he had a cermanic hickie spliced into wiring harness, well I installed new harness and didnt want to cut it so I got a MALLORY INTERNALLY BALLASTED coil because the power to the UNILITE has to be less then 12 volts or something. Now to my question.... The factory "pink" wire is still under the dash and that goes to the internally ballasted coil so am I getting enought juice for spark? (it was too cold to pull a plug and see if I had spark) I dont think it was the gasoline because I used ether asnd didnt even get a pop. Hiwever remember before I did this the power was still comming thru the "pink" wire and then thru the cermanic hickie. Someone said there is an additional wire from the starter selnid that gives extra power when starting???
The pink wire is a resistor wire. You will be getting only about 6-8v from it.
There is a separate circuit that gives the coil a full 12v when starting to give a hotter spark.
Now that you have the mallory that supposedly likes full 12v, you should bypass the pink wire. What the P.O. was doing with an additional resistor is beyond me.
Do you have a wiring diagram? Better have one, if you are getting into issues of changed wiring and mods.