Review on π H4 LED Headlight Wiring Harness Kit - Negative Switched Conversion - Fused - for 9003 H6054 H5054 H6054LL 6014 6052 6053 - Suitable for Subaru Toyota Head Lights by Marc Gallner
Wire to the wrong contact.
The high beams didn't work on my 1988 Toyota pickup but I found out why. The load wire that supplies power to the two high beam wires was in the wrong place on the low beam relay. You need to pull out the wire on the middle pin of the low beam relay and solder it to the red positive wire of the low beam relay. This wire supplies power to the 2 high beam wires when the high beam is on. A wire in the wrong position was interfering with the high beam.
- Free for educational purposes
- Obsolete model
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