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International Automotive Technicians Network
Re: 98 GMC Jimmy TCC & Ignition Switch
Posted to Technical Discussion Forum on 11/12/2001

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I've done a few of these. What happens is the ignition switch tends to drop out one of the power feeds that feeds the tranny circuits (circuit 1020). There is a TSB on this (01-07-30-002A), which basi... Login to read more.