Author Topic: Ballast resistor question  (Read 946 times)

Offline ROMI

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Ballast resistor question
« on: April 26, 2009 - 07:25:07 PM »
Been working on my friend's Cuda and thinking that a VERY hot ballast resistor was a problem.  Then I came home, started the Challenger and lo and behold my resistor can't be touched either.  So, I'm just asking you guys that are in the know, is this completely normal or do we both have a problem?




Offline Moparal

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Re: Ballast resistor question
« Reply #1 on: April 26, 2009 - 07:28:38 PM »
It is normal, and the bigger the resistance the hotter it is.  I wondered the same thing yrs back

Offline ROMI

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Re: Ballast resistor question
« Reply #2 on: April 26, 2009 - 07:33:58 PM »
Thank you Al, I appreciate the response so quickly !

Offline GoodysGotaCuda

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Re: Ballast resistor question
« Reply #3 on: April 26, 2009 - 08:21:23 PM »
Yep hot little guy! I remember the first time I replaced one, smoked like CRAZY when I first started it up. Thought something went south. Sure enough it's "normal" for new ones to do that.  :faint:
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Offline UKcuda

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Re: Ballast resistor question
« Reply #4 on: April 27, 2009 - 09:16:36 AM »
It's kind of true but I think actually it is more like a 300W lamp flashing on and off very quickly, so not as hot as if it was just on all the time. 

And the resistance from the coil builds very quickly each cycle, so the "lamp" is not "on" for long each time.
'72 'cuda