One of the wires is the negative or ground wire. I installed some aftermarket driving lights in my 4runner.
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Negative switched spotlight wiring diagram hilux. Got a project want to rewire a v8 thats been put into a hilux. Welcome to just commodores a site specifically designed for all people who share the same passion as yourself. All the ones i do have the h4 switching harness which works fine unless you have spotlights or light bars already fitted except for the hig beam light. Its the engine from a vb vh series 308. You can get up to 30 off discount when you purchase this product from our website so you only have to pay us582 for dual blue led illuminated light switch push onoff 12v for toyota landcruiser hilux. I was thinking maybe the trigger wire for the spotties and lights etc needs to be joined actually in the h4 switching harness rather then the factory wiring.
It has 3 white wires going to it and i suspect that one of them is where you would tap into the high beam wiring to trigger a relay when high beam is switched on i get 12vdc to ground at 2 out of 3 of the wires and 0 vdc to ground on all 3 when high beam is switched off. I had a bit of a play with the wiring and have found the pictured plug which fits into the back of the lhs headlight assembly. The other two are the positive wires one for the low beam and one for the high beam. Report spot lights wiring diagram toyota hilux 4x4 forum your name. Wiring diagram for engine harness vb vh v8. Instead of switching the positive leg of the headlight toyota switches the negative side.
This isnt unheard of but it does present the problem of where to get a signal from the headlight in order to trigger the relay for the. When i was running the wires i encountered the oddball circuit toyota decided to use for their headlights. One thing i would change is the cable between the battery and the fuse block this should be at least 6mm to give the best results. Spot lights wiring diagram 4 of 5. Wiring diagram for spot lights on a hilux. Just need it so i can.
If your test lamp or leads does not have a sharp point use a needle and stick it into the first wire. Thanks mate for that info it does follow along the lines of my own thinking and what i have done when fitting spotties to my cars in the past the latest model back then being a 1984 ford and valiants before that all of which had a seemingly clear cut and easy negative earth system pretty much foolproof when fitting spotlights via a separate switch through the high beam wire and a relay. Ground your test lampmeter somewhere on the body or the batterys negative terminal and switch the high beam on. It a basic headlight wiring up grade and you dont need to know whether the vehicle is positive or negative switched the wiring sorts it out automatically.
Gallery of Negative Switched Spotlight Wiring Diagram Hilux
