Parking lamps 03 Trail Blazer

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customcontours

Member - Posts: 1

Joined: January 10, 2006

Location: United States

Posted: January 10, 2006 at 9:55 PM / IP Logged

The easiest and fastest way that i've found getting the parking lights on the a lot of the newer GM trucks and SUV's is to go right to the switch harness under the dash: there are usually 2 grey/ black wires one is for the negative parking lights and the other is for the domelight wire.

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tom badger

Member - Posts: 48

Joined: January 09, 2006

Location: United States

Posted: January 10, 2006 at 11:58 PM / IP Logged

I agree that the fastest way to get to the parking light wires is at the switch. However, if the RS you are using has only a positive output wire (and does not have dip switches, etc. that allow you to choose/switch the polarity), or a 5ma negative output, then you have to use a relay to reverse the polarity. Too much trouble - just another place for there to be a potential problem. That's why I go for the positive brown wire when the RS is a cheaper unit.

The Badger

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russ lund

Copper - Posts: 188

Joined: April 07, 2004

Location: United States

Posted: January 11, 2006 at 9:39 AM / IP Logged

If your using a R/S that only has a + out for parklamps,I use an NTE 128 transistor.Tie the collector to the gray/black wire at the switch.The emitter to ground and put a 15-18k 1/4 watt resistor on the base lead.then tie the other side of the resistor to your park light wire on the R/S.Cheap fix no relay hassles.

BigDog

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Parking lamps 03 Trail Blazer

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