yellow720 Posted September 1, 2013 Report Share Posted September 1, 2013 hello, i recently upgraded my old glass headlights to a composite type, on my 1986 nissan 720 and apparently the H4 type that came with them arent the same as the H4656 bulbs i had in there. has anyone changed bulbs? or know which of the 3 wires on the low side do, and the 2 wires on the high side do when the 3 wires on the low side do their thing? i am not apposed to replacing the headlight wiring harness, but im by no means an electrician, but i can follow a diagram and solder and crimp wires. thanks! Quote Link to comment
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