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Re: 2003 chevy c5500 engine change problems
Posted to HD/Fleet Forum on 1/29/2012

If your seriously going to give this a go I would take a look at schmatics and module numbers to see what [...] the LLY has 4 ign1 inputs from the ENG2 fuse as the LBZ has 1,and so on.I am guessing that you are going to try to use the 04 set up. There might be... Login to read more.