gauge lights

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Liberty03

Member - Posts: 6

Joined: January 28, 2004

Posted: January 29, 2004 at 11:50 AM / IP Logged

I am adding two gauges in my jeep and need to have them illuminate when the lights are on. They are auto meter gauges and I have +12v power wire run, but was wondering if I should use the parking light wire for the turn on signal for the relay, or if I could get that signal from the dimmer wire going into my head unit? I want to use a relay to turn the bulbs for the gauges on and off so there isn't any extra pull on the headlight wiring/switches and for future expansion of other gauges/stuff. This is for an '03 Liberty. The wire for the head unit is extremely easy to get to, that is why I was wondering if I could use it. Thanks!

mobiletoys2002

Gold - Posts: 1,050

Joined: April 12, 2002

Location: United States

Posted: January 29, 2004 at 1:03 PM / IP Logged

you can use the dimmer wire from the radio to trigge rthe relay but if you have the dimmer turned down the relay will never click on so u would have to keep the dimmer turned up at all times for it to work.

mobiletoys2002

Gold - Posts: 1,050

Joined: April 12, 2002

Location: United States

Posted: January 29, 2004 at 1:07 PM / IP Logged

i think i would rather go to a + parking light wire in this car and use that to turn your relay on.The parking lights in this car are multiplexed so take a wire directly to the positive parking light wire and use that to trigger relay!!

Liberty03

Member - Posts: 6

Joined: January 28, 2004

Posted: January 29, 2004 at 2:11 PM / IP Logged

Thanks! I will take a look at the + wire going into the front drivers parking light.

Remotep

Member - Posts: 9

Joined: January 02, 2004

Location: United States

Posted: January 29, 2004 at 4:38 PM / IP Logged

You don't need a relay. The light bulbs don't draw enough power to be concerned about. hook it directly to the dimmer circuit.

Remotep

Street Rod Enthusiast

and Installer

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gauge lights

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