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International Automotive Technicians Network
Re: 01 5.3 Burban Tow Switch/BCM
Posted to Technical Discussion Forum on 12/12/2007

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OK, This is what I don't like. If there is an existing failure in the BCM and no voltage is being outputted at B12, why did the light go out when you replaced the shift lever. The tow/haul switch is ... Login to read more.