I need some help finding the headlamp switch plug - i.e. the wiring that comes from the lights/dimmer combo switch. I have been looking around and have not found anything that looks at all like the plugs described in the various online tutorials. Am I missing something? In all of the photos I see what looks like a simple 3-prong style H4 plug but I have no such thing that I have seen? I've scoured under the fender linings, in and out of the fuse box, along the sides of the engine bay. Help!
would have tried toyota-4runner.com but i don't have enough replies to post a new thread. Sorry for the pathetic question. yes, i searched a ton (online and under the hood)
Yep, and if the plug is cut off there should be three big wires bundled together on each side. They are significantly bigger than anything else up there so they should stand out.
Exactly what I am trying to do is find the wires that come from the steering column switch (Headlights on, bright lights) under the hood so that I can wire in a new beefier headlight harness/relays and pump up the wattage to my new hellas.
So what I am looking for is the control wires for the headlight relay. Should be a combo of three wires as well but its not the plug that comes out of the headlight.
Noodles, I am not trying to beef up the control side. I am simply trying to FIND the control side so that I can wire my relays into it. Know what I am looking for and where I can find it?
Seriously? So the power to the headlight on the driver side doesn't go through a relay, you're telling me it goes straight from the in-cab switch to the front driver headlight?
That doesn't quite add up in my brain because I'm testing the voltage at that front driver plug and nothing changes when I switch from high to low beams, as in the voltage stays the same and only in one of the terminals. Furthermore I can still hear the old relay click on. I'm attempting to eliminate that old system here with new relays. Making sense?
The headlights are ground switched. You have one power wire going to both filaments and the headlamp switch selects which one you want grounded, which completes the circuit and lights the bulb
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