2003 tahoe pioneer navigation

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jbaird

Member - Posts: 3

Joined: April 27, 2007

Posted: April 27, 2007 at 8:49 AM / IP Logged

I am going to be installing a Pioneer AVIC-Z1 in my 2003 Tahoe. From what I understand, the Tahoe does not have an illumination wire in the factory harness. Does anyone have an idea of where I can easily get a 12V source when the headlights are on that will allow my Z1 to properly dim/go into night mode? I have also heard that I can find a VSS wire piggyback in the factory harness (green wire).. can anyone confirm this? Also, any other non-standard wires/locations I should be aware of? Thanks!

KarTuneMan

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Joined: December 14, 2004

Location: Isle Of Man

Posted: April 27, 2007 at 4:56 PM / IP Logged

+12V DC Battery(Constant)	Orange		Radio	15 amp	Fuse block at left side of engine compartment
Ground	Black
Dimmer	BROWN / white
Steering Wheel Control Wire	Dark blue	Also light green

extreme1

Silver - Posts: 1,070

Joined: February 12, 2003

Location: Canada

Posted: April 28, 2007 at 12:02 AM / IP Logged

jbaird wrote:

Dimmer, BROWN / white @ heater control's

VSS, dk.GREEN / WHITE @instrument cluster

Reverse, lt. green at junction box, drivers kick

Shaughn Murley

Install Manager, Dealer Services

Visions Electronics

Red Deer, Alberta

jbaird

Member - Posts: 3

Joined: April 27, 2007

Posted: April 30, 2007 at 10:32 AM / IP Logged

Thanks!

jbaird

Member - Posts: 3

Joined: April 27, 2007

Posted: May 07, 2007 at 7:46 PM / IP Logged

I can't seem to locate the dimmer/illum wire. Which harness is it in?

extreme1

Silver - Posts: 1,070

Joined: February 12, 2003

Location: Canada

Posted: May 08, 2007 at 8:21 AM / IP Logged

I have always grabbed it at the heater controls harness. it is BROWN / white, you can also grab BROWN / white at the light switch

Shaughn Murley

Install Manager, Dealer Services

Visions Electronics

Red Deer, Alberta

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

2003 tahoe pioneer navigation

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