Does the ecm initiate the 20 second fuel pump run when the key is turned on? 1993 C3500 HD TBI to 1986 carb motorhome conversion with 1228747 ANRS.
Does the ecm initiate the 20 second fuel pump run when the key is turned on? 1993 C3500 HD TBI to 1986 carb motorhome conversion with 1228747 ANRS.
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