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Re: 02 Tahoe 5.3 12v Ref
Posted to Technical Discussion Forum on 9/26/2007 1 Reply



Hello David,

Thanks for the response. I really don't mean to harp but...are you sure? C1 pin 19 is powered by the Ignition 1 relay. Were you able to locate the Ignition 1 relay in your schematic? The PCM is quite a robust unit. The Ignition 1 relay... Login to read more.

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