I just use my longnose to do that. This video is a detailed walkthrough of the american autowire headlight enhancement relay kit.
Headlight Relay Wiring Harness Upgrade 240z
How to wire a headlight relay. Keep wires from rubbing and. The alternator output post is a great place to get your 12 volt supply. Wiring headlights and relays use the proper sized wire for your systems current draw fuses or circuit breakers must be used to keep your car or truck from burning to the ground in the event of a short. Then put some etape or shrink tube. Pin 85 goes to ground while pin 30 goes to the new 30a fuse. Our kit includes separate relays for the high and low beams as well as upgraded gxl wire to make.
If you wish to a separate wire from the fuse can be used for each relay and can be colour coded the same as the corresponding headlamp wire. This wire only needs to be 16 gauge it carries very little power and it should be black. Hook up the ground wire from the relay to a new ground or to the existing ground wire for the headlights. The two headlamps are connected together as normal and taken to pin 87 of the relay. Then the other end of the wire you needs the male spade terminal slice your wire about 12inch then crimp the terminal with your crimping tool. Run a new red 12 gauge feed wire over to your battery or to any.
Place the fuse holders immediatelyafter the connection to 12 volts to protect all your wiring. Use the white and yellow wires that went to the stock left side headlight bulb to supply the trigger signal for your relays. 12get your labeled wires with 2pcs high out tap and twist it to the 87 line out from where your high relay should be then solder and etape or use a shrink tube. Keep wires from getting into moving parts of the fan or engine. This is what i did.
Gallery of How To Wire A Headlight Relay
