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Re: 2004 GMC Sierra 2500 2WD V8-6.6L DSL VIN 2
Posted to Technical Discussion Forum on 4/6/2007

Hi Andrew,

The FICM controls the 93 volt injectors with 2 high side B+ drivers (one for each bank) and a pair of low side drivers for each injector, one for peak 18 amps and one for hold 12 amps.

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