spdt relay hookup for led drl's

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lisekwr

Member - Posts: 6

Joined: February 27, 2010

Location: Massachusetts, United States

Posted: February 27, 2010 at 5:25 PM / IP Logged

I am trying to install DRL on my 05 Chrysler town and country. I am thinking of using SPDT relay. Have the normally closed contact wired to my ignition harness so when I turn my car on drl's will turn on. The other thing is I would like to turn the drl's off when I turn my headlights on, and not quiet sure which output to use on the relay.

lisekwes

t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: February 27, 2010 at 5:56 PM / IP Logged

Wire like this

Pin 87a- to the drl's {positive side)

pin 30- to ignition fed twleve volts

Depending on the polarity of the signal you locate that triggers the headlights,

For a negative trigger fee

Pin 85- to the trigger

pin 86 to ignition

For a positive trigger

Pin 86 to the trigger feed and 85 to ground!

commit your way to jehovah and he will act in your behalf. psalms 37:5

lisekwr

Member - Posts: 6

Joined: February 27, 2010

Location: Massachusetts, United States

Posted: February 27, 2010 at 7:31 PM / IP Logged

Thank You for fast replay, now all i have to do is find my 12volt.com cd for my car.

lisekwes

lisekwr

Member - Posts: 6

Joined: February 27, 2010

Location: Massachusetts, United States

Posted: February 27, 2010 at 8:06 PM / IP Logged

Can anyone recommend a good relay, not some cheap chinese stuff?

lisekwes

t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: February 28, 2010 at 8:08 AM / IP Logged

Potter and Brumfield, Bosch, DEI,

commit your way to jehovah and he will act in your behalf. psalms 37:5

lisekwr

Member - Posts: 6

Joined: February 27, 2010

Location: Massachusetts, United States

Posted: February 28, 2010 at 11:11 AM / IP Logged

Thank you t&tt tech. One more final question, would it be beneficial to place diod between relay and trigger to prevent back feed?

lisekwes

t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: March 01, 2010 at 6:08 PM / IP Logged

It wouldn't hurt! spdt relay hookup for led drl's -- posted image.

commit your way to jehovah and he will act in your behalf. psalms 37:5

lisekwr

Member - Posts: 6

Joined: February 27, 2010

Location: Massachusetts, United States

Posted: March 03, 2010 at 8:39 PM / IP Logged

Would 1N4004 work or would you recommend somethind else?

lisekwes

t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: March 04, 2010 at 9:05 AM / IP Logged

lisekwr wrote:

Would 1N4004 work or would you recommend somethind else?

That would be fine! Cheers!

commit your way to jehovah and he will act in your behalf. psalms 37:5

lisekwr

Member - Posts: 6

Joined: February 27, 2010

Location: Massachusetts, United States

Posted: March 04, 2010 at 4:35 PM / IP Logged

Thanks for the help T&T tech. Appreciate all the help.

lisekwes

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