[xxxxxBazzy]

For the guys who have done a retrofit, what is the polarity of our OEM bulb connector? I'm having a harness made and the guy needs to know.

 

[rednecktaco]

if u hold the socket with the vertical inlet, top horzontial inlet, vertical inlet. it goes high neg, ^low neg, pos. our trucks use a neg. switch system and the 05+ use a pos switch, where the high and low are pos and one solid neg.