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Wire spotlights to turn on with high beam

Printed From: the12volt.com
Forum Name: Lights, Neon, LEDs, HIDs
Forum Discription: Under Car Lighting, Strobe Lights, Fog Lights, Headlights, HIDs, DRL, Tail Lights, Brake Lights, Dashboard Lights, WigWag, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=142068
Printed Date: April 30, 2024 at 3:38 AM


Topic: Wire spotlights to turn on with high beam

Posted By: thorvald
Subject: Wire spotlights to turn on with high beam
Date Posted: November 20, 2016 at 2:20 PM

I have wired many cars, trucks and suvs With extra high beam spotlights, but I can't for the life of my get it to work on my montero sport. I have used a relay, wired it to be activated by the high beam signal from the front head light. Nothing happens. All the other cars I earlier have wired have been positiv switching headlights, and the montero must be negative switching, that's the only reason I can think of.....

Can somebody tell me how to wire this to work? ;)

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Replies:

Posted By: thorvald
Date Posted: November 30, 2016 at 3:34 AM
Any takers? 🤗🤗🤗




Posted By: Ween
Date Posted: November 30, 2016 at 7:46 PM
Does the 'beam' indicator in the combination meter/instrument cluster
only illuminate when the high beams are on? A relay coil in parallel with the indicator should give the desired switching (yellow/red and red wires). A switch in series with the relay coil would allow disabling the spotlights. The relay should also be able to be wired across the RED / yellow and red at either headlight, as all these circuits are in parallel.




Posted By: whit1t
Date Posted: December 03, 2016 at 9:56 PM
I just did this exact thing to my late father's 2002 RAM 2500.
The headlights are negative trigger. (+12v) to lights at all times from the factory. I wired mine to come on with high beams OR with an auxilliary switch using 2 relays wired as follows....
Pin 85 relay 1 (-) trigger from r/or wire from dimmer switch--easily accessible from under steering column. Pin 86 from relay 1 and pins 30 from relay 1 and relay 2 tied together to constant (+12v). Pin 85 relay 2 (-) chassis ground. Pin 86 relay 2 (+12v) trigger from aux switch. Pins 87 from relay 1 AND relay 2 tied together out to spot/driving lights. If you want use the aux switch as (-) trigger, just tie pin 86 relay 2 with both pin 30s and pin 86 from relay 1 to (+12v) and pin 85 from relay 2 to your (-) trigger wire from the aux switch.




Posted By: whit1t
Date Posted: December 03, 2016 at 10:02 PM
Sorry about wire colors and location......got caught up in the Dodge thing. It appears, by your schematic, that your headlights are negatively triggered as well. I hope my post helps.





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