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1998 GM Transmission Diagnostic Parameters 6.5L Diesel (L57) P-truck, Hummer H1, OEM engine Heavy Duty > 8500 GVW 4L80-E
Posted to the Waveform Library on 11/17/2015

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GM 1998 6.5L Diesel (L57) P-truck, Hummer H1, OEM engine Heavy Duty > 8500 GVW 4L80-E TRANSMISSION DIAGNOSTIC PARAMETERS. Reprinted on iATN Courtesy of General Motors. Copyright © General Motors. Do not reproduce or redistribute without permission.

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