To check for negative switchingconnect the test light to a positive power supply and check for a wire that only has an earth when high beam is switched on. Hi ive been searching for a clear diagram explanation of how to wire up a driving light relay properly on a toyota rav 4 which uses negative switching.
Fc8b 12 Volt Spotlight Wiring Diagram Wiring Library
Spotlight wiring diagram negative switching. To ground and power the light switch run one wire from a switch prong to a bolt on the. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. Wiring diagram for spot lights on a hilux. A possible idea is to earth the wires onto the negative pole of the battery. Its always safest to disconnect running power by removing the negative terminal from the battery for the easiest installation. If you have a switch or an alarm or keyless entry that has a negative output that you wish to use to switch a device that requires 12v such as a horn dome light parking lights head lights hatch release etc wire a relay as shown below to convert the negative output trigger to a positive output.
Switching power supplies. 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. Assortment of 12v relay wiring diagram spotlights. Once this has been established refer to the relevant wiring diagram. The image to the right shows an example. To wire a series circuit like the one shown the positive output from the driver connects to the positive of the first led and from that led a connection is made from the negative to the positive.
Convert a negative output to a positive output relay wiring diagram. It shows the parts of the circuit as simplified forms and the power and also signal links between the gadgets. 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. At the moment it is wired up as you would for a positive switching vehicle the same as in my 07 td rodeobut the only way to turn the driving lights off is via the switch on the dash. Positive of the second led connected to the cathode negative of the first. The fifth wire should connect the last open post on the relay to the switch.
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. 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. If you want the extra control of switching your spot lights off when the high beams are switched on for instance when the spotlights are covered an extra switch can be connected in the relays earth wire. Drill holes to mount the spotlight and light switch in your preferred locations. Then run a fourth wire from the relay to the positive post of the spotlight and solder in place. Run the switch through to the inside of the vehicles cabin via a pre existing rubber grommet in the firewall.
Gallery of Spotlight Wiring Diagram Negative Switching
