Re: mallory unilite hookup confusion

["Paul L. http://1962to1965mopar.ornocar.org/ml-lennemann63.html" <pjlenn@xxxxxxxxx>]

To my way of thinking the resistor doesn't care which end is which.  It will pass voltage and reduce it either way.  The heat is the result of the voltage drop being converted to heat energy.  Just like an element on a stove top.  A diode (like in an alternator will only pas voltage in one direction. 

Paul L.

On Friday, October 18, 2013 11:57:15 AM UTC-5, neal wrote:

 OK, it's getting close to fire up on the barracuda, . I wanted to double check how the previous owner had hooked up the Mallory Unilite set up, and  ( surprise, surprise!) he did it wrong according to the mallory tech sheets. Amazing it ran. Anyway they say to hook in  the red wire from their distributor to the 12 volt side of ballast resistor (with a little picture of a key and ignition switch), but according to my wiring diagrams, the dark blue wire from one side of resistor and the brown wire  on the other side of resistor both run to the ignition switch. The dark blue goes to "1" on ign. switch and brown goes to "2" on ign switch.

So which wire is the 12 volt side of resistor?? I have a feeling its the blue, but not sure.

  BTW is there a front door and  a back door to a ballast resistor or does it not care??

  Thanks , Neal Zimmerman Eugene Oregon

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