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Old 11-08-2016, 10:12 AM   #261
y5mgisi
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Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: LS factory cruise control hook up

The drac module is an original piece of gm equipment. I think it was used on all tbi motors. But it's what accepts the vss signal on the tbi motors and sends out information to the cruise, speedo, and ecm on those tbi systems.



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