Jump to content
  • Welcome Guest To Mopar1973Man.Com

    We are a Dodge Ram Cummins Turbo Diesel forum. We are very friendly and helpful group of Dodge Ram Cummins owners. We will try to keep your truck running the best we can and provide information for diagnostics, repairs and even guide you on the best replacement parts to use. 

     

    Registration is free. Registering on the site will provide access to many more things like...
     

    • Contribute to the Forum being able to ask questions and get support for your Dodge Ram Cummins.
    • Contribute to Article Database adding your ideas and suggestions.
    • Classified Ads posted by the members. Post up your used parts and vehicles.
    • Member Garage where you can proudly display your vehicles and modifications that you have done to them.
    • Download files, documents, and Quadzilla Adrenaline tunes for your truck.
    • 911 Support Network. We've got a group of members will to aid you if your truck breaks down on the road.
    • Reduced Advertisements displayed to you.

Sign in to follow this  
Guest

Driving Light Relay

Recommended Posts

Guest

Ok Mopar Man. I own a 99 24v, recently sold my 98 12v quad cab long box, lift, 37's 389HP, custom paint I mixed up(based of a kia color, yea i worked in auto body for three years) I built it from the frame up, three months and many blood sweet and beers `:( Anyways, I have installed 02 fog lights via toggle switch activated relay, my pickup was a non fog light rig. I also have my low beams on at all times. I just shorted the power wire from the headlight switch when the headlights are on to the low beam kicker wire in the multi-function switch. My problem is I have installed 100w aircraft lights on my bumper, much like yours and the ones i have in my rear bumper i built. I cannot get a relay to work the way I want to. I would like the lights to come on when the brights are on with a toggle switch interference in the exciter wire. I get the headlights coming on when the headlight switch is off. If i reverse the function of the relay the fog lights come on when the lights are off and wont come one when the headlights are on. I do not know what to do from here. I get 12v at the r/o wire when the highs are off and very little voltage when on. very Little at the v/w wire when on and none when off. I Am at a loss, I was hopping for some insight since you have done this. I looked at your diagram but could not get any help from it. Sorry for the long post.

Share this post


Link to post
Share on other sites
Guest

Ok, I just looked at your diagram a second time an figured out how you are shutting them off with the fog light circuit via a ground controlled switch, but i would still like to know how to make this work like a normal relay and close the circuit when the highs are on.

Share this post


Link to post
Share on other sites

Being that the relays are feed from a constant hot source (fog lamp relay and trailer relay) that means you got to shut down the ground side. But I still got a flaw in mine. Basically if the headlight are in the high beam mode the toggle switch will not shut down the lights till low beam is selected. There is as feed back problem and it can be resolved with a diode added to the relay ground legs...

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  



×