i just boust a peterson universal split harness but here is the problem i dint look at the box very well and it is a 5 prong harness and i have a 4 prong on my 2005 ford 150 i hook it up the way it told me but i bypassed the blue hydraulic wire and when i hook it up i turned on my light and my trailer lights turned on but when hit the blinker on my truck the trialer lights dont blink and suggestions?
