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    1. #1
      Join Date
      Aug 2005
      Posts
      198

      No spark in Vortec 454

      Hello. My DD broke down last night. 97 GMC K2500 with L29 454. Was running just fine and then it stalled in traffic. No spark out of the coil, no tach movement while cranking. I pulled the wire off the crank position sensor and re-connected, no difference. I also checked all ignition related fuses. What do you think..... CPS or Coil?

      68 Chevelle SS396. Pro-touring in Progress
      Pro-jected 396, TKO 600, 3.90'd 12 bolt, LS1 brakes.





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