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IRONMAN

04-26-2006 11:51 PM

Thunderbolt 4

Should the Thunderbolt IV have a resistor ignition wire or direct 12v from the key switch?

jtybt15

04-27-2006 12:55 AM

Re: Thunderbolt 4

TBIV has special coil that runs on straight 12v from the battery. Battery should be at full charge.

rdoactive

04-27-2006 08:40 AM

Re: Thunderbolt 4

No resistor or resistor wire with TBolt IV.
BTW, a regular GM external resistor coil (about $9) will work fine. Ran it for years like that. Last I checked, the Tbolt ciols were over $40.

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