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International Automotive Technicians Network
Re: 2003 Cadillac CTS Crank No Start
Posted to Technical Discussion Forum on 8/15/2006

Hi Rags. Were there problems with the TAC motor(s) following the heat soak causing the reduced signal voltage to the ECM Ignition 1 terminals, since the the TAC motor controls 1 and 2 share SP102 with ignition 1?

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