Or Ground Plug Wiring H4 Sealed Beam DunGu H4 9003 HB2 Wire Connector Harness 14AWG Heavy Duty Ceramic Sockets Female & Male Connector MOTOALL Universal GM 3 Wire Headlight Connector H4 9003 3 Prong Sealed Beam Headlights. $7.99 $ 7. 99. Get [Heat-Resistant Ceramic Socket] [Fuse Protected] Wiring For Ground Triggered H6054
Or Ground Plug Wiring H4 Sealed Beam There are some considerations that you'll need to think about when you convert to H4 sealed beam lights. Toyota switches the ground from lo to hi instead of switching the positive from lo to hi. For Halogen headlights, the ground can flow through any terminal, but for LED they can only flow one way as polarity matters.
Or Ground Plug Wiring H4 Sealed Beam The H4 harness from TRS is a Bi-Xenon harness. Also, keep in mind that the 4656 Sealed Beams and H4 bulbs are wired differently. You will have to switch some wires around if you haven't already. The Bi-Xenon harnesses are meant to keep the "low beams" on when you switch to high. Normally, the relay is running off the low beam circuit.
Or Ground Plug Wiring H4 Sealed Beam However, on the old 165mm rectangular sealed beams, the pin out was different than on the H4 and 5.75" sealed beam. Same plug; different pin out. If you do it this way you will need to identify the high/low/ground on the wires and lamp terminals. Re: 3-prong connector on H4 and sealed beams