dpdt illuminated switch

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=103327
Printed Date: May 08, 2025 at 10:18 AM

Topic: dpdt illuminated switch

Posted By: woody long
Subject: dpdt illuminated switch
Date Posted: March 22, 2008 at 10:26 PM

I picked up a set of twim beam off road lamps and want to wire them up to a DTDP illuminated switch (4 posts on back is that correct?), here's the catch. I want to have one pole running only one bulb from each lamp and the other running all four bulbs. I can wire them right now with each pole running two bulbs each. Anytime I try hooking them up to run all four both ploes run all four. Help!!

I followed the advice of a friend, the connections on the relays could be wrong.
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Replies:

Posted By: techman93
Date Posted: March 23, 2008 at 12:53 AM

This wiring may work for what you are wanting it to do. You can have the switch to an ignition instead of low beam if you wish. Normally any driving light should be disabled by putting on high beams.

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The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.
Do it right the first time... or I might have to fix it for ya

Posted By: hotwaterwizard
Date Posted: March 24, 2008 at 9:44 PM

The switch is not DPDT that you have it is SPDT with Lights.

posted_image

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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !

Posted By: techman93
Date Posted: March 24, 2008 at 11:45 PM

I think this is what you were asking about. sorry I had to shrink the original to scale it down so the grounds from lights to switch got cut off.

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The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.
Do it right the first time... or I might have to fix it for ya

Posted By: woody long
Date Posted: March 26, 2008 at 7:32 PM

Sweet thanks.

I'll let you know how it works.

Posted By: woody long
Date Posted: March 26, 2008 at 11:13 PM

Wired it all up and it works, but when the 4 bulbs are turned on one of the relays chatters then flips off......granted I have this hooked up to a 12V(or is it a 14.8V) wall converter. Should I be using larger relays?

Posted By: techman93
Date Posted: March 26, 2008 at 11:30 PM

it probably is the current isn't strong enough through the power supply. I think it should be fine when it is installed into the truck with the right 12v+ source and good ground.

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The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.
Do it right the first time... or I might have to fix it for ya

Posted By: hotwaterwizard
Date Posted: April 01, 2008 at 2:24 AM

Here is my take on it.

posted_image

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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !