Toyotum H4 Headlight Wiring

This caused the headlights not to work properly.

Toyotum h4 headlight wiring. H4 heavy duty wiring harness plug play headlight wire upgrade h4 actually help anything. The stock headlights were dim and kinda yellowbrown. Because led lights are polarity specific and toyotas 60 and 80 series headlight circuits are negative switched which reverses polarity when dipping the headlights or going to high beam which prevents leds from working here is a wiring diagram to allow the circuit to remain polarity specific as leds require. These are able to provide the power needed for headlights from ipf hella and others.

Instead of just replacing with similar sucky ones. The left connection when viewed from the back is the common h4 connection. These are specifically designed to fix the problems in samurai and toyota pickup headlight upgrades. If i wanted to try some nokya arctic white bulbs that are 80w100w does using something like this.

The wiring inside my passat headlight was destroyed. Even the high beams were sucky. This h4 relay harness will plug into the factory wiring harness on suzuki samurai and 79 85 toyota pickup and 4runner. It doesnt seem like just adding some wiring in between the bulb and the factory harness would help.

We are replacing the wiring inside both headlights. Looking at the back of the factory toyota h4 headlight connector as installed the outside two connections are vertical the top connection is horizontal. Compared to just about any other make its as though toyotas circuit was designed by an ee from another planet. Headlight wiring gets abused.

It will not support high output headlight globes blows fuses and the standard wiring often has high losses of voltage even on the standard 6055 h4 globes. As most people will soon be aware of when they purchase their 80 series land cruiser the standard wiring for the headlights leaves something to be desired. But take a look at a toyotas headlamp wiring diagram if you get the chance. In this episode i update the headlights of my 1994 toyota.

Buy 1set 2 headlight harness h4 headlight relay harness h6054 h4 relay harness toyota pickup headlights h4 wiring harness headlight relay kit for toyota 95 97 tacoma 88 95 pickup fix dual ground problem. This h6054 led headlights wiring harness h4 9003 led headlight relay kit can be used for jeep toyota pickup tacoma 7x6 5x7 headlights upgrade. See more product details.