... That's a good,easy upgrade … The existing lo/hi beam wires from the dimmer switch will activate the relays. I didn’t like the idea of having to build a huge harness going from one side of the car to the other. As mentioned above we’ll be using the Red/Black wire (low beams), and the Green/Black wire (high beams). Once they are connected, soldered and protected with heat shrink it’s time to start buttoning everything up. Reassemble the headlights and clean up all the wires using wire ties and/or flexible wire molding. Rotating Headlight relay modification. 85 is the relay switching (control) circuit output (ground) New headlight relay harness upgrade for Datsun 240Z, 1970-73. Attach the 56a wires to the high beam relay. With no known headlight relay upgrade to be seen. Sometimes they even melt and have been known to cause fires! Track Order. Well, bit the bullet and plunked down a chunk of change to have a " custom made"relay … This project can be completed in an hour or two by someone experienced in Jeep wiring. Attach the new high power feed wire to the 30 terminal on both relays. In this video I show you how to install a High Beam Headlight Relay upgrade kit, to make your GM truck give off more light. PARTS/TOOLS list (based on exactly how I did it): First thing I did was to remove the battery and tray from the car. The control relay is N/C. Do what you like. Relays: (2) Use a set of quality relays, remember, these are powering your headlights. Turn up the volume! As mentioned this is optional and there are a bunch of other ways to accomplish the same task. Easy 10 minute installation. Reality: Factory design kinda stinks – well mostly. At the time I ordered I had the best intentions, and even had the Painless wiring relay kit in the Cart; before the total came $$$ and the headlight … When I did my original tear down and rebuild, I ordered new Hella H4 headlights as an upgrade to the old CJ sealed beam enclosures. Most put a relay in when they update to halogen (more draw) or just to bypass the resistance in the old worn headlight switch/wiring connections anyway. Headlight relay upgrade. I would like to put relays in to just use the switch as a trigger and feed them Headlight relay upgrade - 332-428 Ford FE Engine Forum I had my local alternator guy make me a 7.5″ jumper wire that would go to from the starter solenoid to my new distribution stud. I had my dad drive in front me of during the day just to make sure everything was ok and that my lights stayed on! These new wires can carry a large amount of current and can cause a lot of bad things to happen quickly if the wrong thing touches a ground source. Big thanks to BrianM over at FEP for helping me out. VW T25 T3 Vanagon Headlight Relay / Wiring Loom Upgrade. Attach the 85 terminals to the new ground source. H4 9003 Headlight Relay Wiring Harness Kit, H6054 H4 Socket Plugs H4 Headlamp Light Bulb Ceramic Socket Plugs Relay Harness for Ground Triggered H6054 H5054 H6054LL 6014 6052 6053 Headlights. Get it as soon as Thu, Feb 4. If it is hard to grasp, you can use a pair of pliers, needle nose or otherwise. New headlight plugs. The headlight closure relay will pull directly out from its terminal. The system can be further improved by adding M.A.D. Solution: More power to the bulbs…but how? I love wiring and am good at it but I hate dealing with wiring that I didn’t do – even if it’s factory wiring! Make sure to test everything real good once complete. As these looms look the business 👍 I will leave it in anyway. Lights – NOTE: It may be easier to remove the headlights and their bezels to work on the inside grille wires. ... a no-name or off-brand relay could easily kill you when it fails on a dark road somewhere, ... the headlight switch. Ripping Gears – Scaring Dad! Attach the low beam circuit feed from the headlight switch to the 86 terminal on the low beam relay. This is the distribution stud. I chose the back side on the drivers of the grill, the factory CJ wires run right through this area and it seemed out of the way. lol. H4 Wiring Harness Upgrade for any vehicle with the H4 light plug Increase your OEM lighting output by a minimum of 50% (usually more) Save your light switch from burning up like they always do. I prefer the relay sockets (I didn’t use them – but I would if I do it again) and also prefer soldering the connections instead of using crimp-on connectors. I’m addicted …, Out for a cruise with Dad. Joined: Apr 2, 2017 Location: Louisville, Kentucky. You can purchase pre-made harnesses but they are expensive – the parts for the entire job are cheap, even with adding in a little bit of time it was a no-brainer for me – I love DIY projects anyway so this was a perfect project! A standard relay is turned on by a small amount of current that actuates a magnetic switch and only draws minimal power. Your email address will not be published. Enter headlight relay harnesses. 1966-1967 Dodge Charger Forum. To access the headlight closure relay, you will need to remove the cover or lid from the fuse box. Now, connect the blue wire (or pole 86) from relay 2 to side of the Green/Black wire that is coming from the back of the car (this actually goes to the headlight switch)…then connect the yellow wire (or pole 87) from the same relay (relay 2) to the end of the Green/Black wire going to the front of the car (actually going to the headlights). Run a minimum 14 gauge FUSE PROTECTED wire from the battery or positive side of the alternator to the relay. Also, a larger gauge short wire can carry more current than a same gauge longer wire. I have the ground wire coming up between the relays. Aug 6, 2017 #1. Verify all connections are correct and connect the battery. Once I got all the soldering out of the way I double checked everything and buttoned it all up. I need something simpler! Headlight output is drastically diminished with the decrease in voltage. to Pin 86 of a standard ISO automobile relay. I had a spare headlight switch but that didn’t do anything – It ended up being the multi-function switch…the more expensive of the 2 but an easy fix none-the-less. Why not? 4) Slide the 1Ú2" heat shrink onto the 1Ú4" stripped side of the wire then crimp the ring terminal on, slide the heat shrink over the crimp to cover the exposed wire, then shrink it with a heat gun or torch (be careful!) 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