Hi, pplummer, No, they are different lengths. On my 49 canadian 49 there are two raised bosses on the inner fender close to the radiator that you use to bolt the connector block to. Only the three wire block will fit. One to high beam, one to low beam one to Park/running lights ( the lights in the upper part of the grill). For my turn signal lights I added a connector. Note: I had ordered a harness with turn signal wires included.