do you want a stock wireing harness or aftermarket .my 55 first has a new factory harness from chevy duty in it and it works great .if you plan to add any thing else to it like a/c power windows ect i would go with and aftermarket .look in any classic truck mag .ezwireing has a 21 circut set for 195.oo in there ads or ck painles wireing thiers is higher but they sell a bunch of them .i am going with the ezwireing myself in my 52 gmc


47 Chevy COE..52 TO 30