[bigdaddy4x4]

thanks for the reply i have always had a 70s model trucks but never had to look for a headlight relay on them what throwed me off was the real faint sound of a relay clicking on and off when the headlights came on and off still dont know where its coming from i am gona buy a heavy duty headlight wiring harness from lmc when i bought the new headlights i didnt think i would have to change anything but to run them i got to change the wiring harness thanks