03 Silverado R/S - 2nd Acc needed?

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blsi

Member - Posts: 1

Joined: January 26, 2005

Posted: November 12, 2005 at 11:16 PM / IP Logged

Anyone know what the brown 2nd Accessory wire feeds on a 2003 Silverado 1500HD? I'm putting in a remote start (Crimestoppers RS-900V) and the wiring list shows the second Acc but the T-harness I have does not bring out the brown wire. I'm also using the programmable output for the second ignition and am using the negative output that could drive a relay to control the GMSL interface module. If I need the second Acc any thought on how I could hook it up using a relay from the remote start acc output without the relay being energized the entire time the truck is running?

GMSL module works great by the way- does both driver 1 and driver 2 (using the trunk button on the remote start to trigger the 2nd driver input to the GMSL).

This is my first remote start so thanks for the help.

Thanks

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NowYaKnow

Gold - Posts: 1,217

Joined: December 18, 2002

Posted: November 13, 2005 at 1:08 AM / IP Logged

Most of the time on the GM trucks you do NOT need to energize the brown wire when remote starting. Some times it is necessary though I always try it first without and if no lights stay on your good to go.

Mike

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KarTuneMan

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Joined: December 14, 2004

Location: Isle Of Man

Posted: November 13, 2005 at 1:43 AM / IP Logged

Power it up......

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GMC4x4Guy

Copper - Posts: 117

Joined: March 28, 2002

Location: Washington, United States

Posted: December 04, 2005 at 11:12 PM / IP Logged

Can you leave one of the Accy. wires disconnected so the radio doesn't come on? I'm asking because I'm under the impression that the driver's door would need a negative pulse to turn the radio off if the remote start times out.

"Drive it like you stole it"

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cntrylvr79

Silver - Posts: 582

Joined: July 02, 2005

Location: United States

Posted: December 04, 2005 at 11:47 PM / IP Logged

If i remember the truck right you do need to power the brown wire. I think it powers something that has to do with the climate controls. As for your pulsing of the door trigger to shut the radio off you would be correct in that assumption.

Cause I'm So white and nerdy...

First Class Certi-fried installer

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extreme1

Silver - Posts: 1,070

Joined: February 12, 2003

Location: Canada

Posted: December 05, 2005 at 9:58 AM / IP Logged

No brown wire required.

Shaughn Murley

Install Manager, Dealer Services

Visions Electronics

Red Deer, Alberta

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kgerry

Platinum - Posts: 3,455

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: December 05, 2005 at 2:39 PM / IP Logged

not needed... also, the proper data type of bypass module ( XK01, 457G, etc) will shut down the rap circuit for you automatically....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

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03 Silverado R/S - 2nd Acc needed?

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