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Author Topic: Ballast resistor  (Read 3942 times)

pauldridge

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Ballast resistor
« on: December 31, 2008, 22:48:10 »
My ignition ballast resistor is shot... disintegrated.  I noted that Miller's sells several of these, with different resistance values.

Anybody have any idea on how to determine what resistance is appropriate for my coil?
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J. Huber

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  • USA, CA, Cedar Ridge
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Re: Ballast resistor
« Reply #1 on: December 31, 2008, 23:49:18 »
Well, what coil do you have? I use the 1.8 with the Bosch Red Coil.
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James
63 230SL

jacovdw

  • Guest
Re: Ballast resistor
« Reply #2 on: January 01, 2009, 07:59:10 »
As James said, you can use the Bosch red coil with a 1.8 ohm ballast resistor (the one with the red tab).

For the 230SL, the original setup was a black coil with a 0.9 ohm ballast resistor (gold tab).

By the way, the Bosch red coil is not actually red. It is silver with a nice red sticker on the can... ;)
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pauldridge

  • Guest
Re: Ballast resistor
« Reply #3 on: January 06, 2009, 14:04:42 »
Thanks Jaco,

When you say "red tab" are you referring to the mounting bracket on the resistor, or?
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jacovdw

  • Guest
Re: Ballast resistor
« Reply #4 on: January 06, 2009, 16:30:39 »
Yes, that would be the mounting tab on the ballast resistor.
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