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2004 Chevrolet Express Van 3500 Alarm/Remote Start Wiring


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sudden impact 
Member - Posts: 4
Member spacespace
Joined: October 21, 2004
Location: United States
Posted: October 29, 2004 at 8:41 PM / IP Logged  
I am installing an alarm/starter combo in a 2004 chevy express van 3500 and I was wondering if anyone had a wiring diagram.  I have a 2003 diagram but this install needs a Passlock II and the diagram I have does not coincide with the 2004 van.  My wire colors are ORANGE / white, yellow, and tan.  I don't have the yellow, ORANGE / black, and black.  I am having trouble with the passlock II wires and the tach wire, everything else is all set.  Thanks.
Sudden Impact
snguyen 
Silver - Posts: 281
Silver spacespace
Joined: October 09, 2003
Location: United States
Posted: October 29, 2004 at 9:30 PM / IP Logged  
EXPRESS VAN       2003-2004
WIRE COLORSLOCATION
12 VOLTS CONSTANTRED / BLACK ( X2 )IGNITION SWITCH HARNESS
IGNITION 1PINK (+)IGNITION SWITCH HARNESS
IGNITION 2WHITE (+)IGNITION SWITCH HARNESS
ACCESSORY /HEATER BLOWER 1ORANGE (+)IGNITION SWITCH HARNESS
ACCESSORY /HEATER BLOWER 2BROWN (+)IGNITION SWITCH HARNESS
STARTERYELLOW (+)IGNITION SWITCH HARNESS
PARKING LIGHTS ( - )BROWN / WHITEat the BCM BEHIND the KNEE BOLSTER, UNDER PASSENGER SIDE DASH. BROWN Plug,  Pin B2
DOME LIGHTGRAY/BLACK ( + )at the BCM BEHIND the KNEE BOLSTER, UNDER PASSENGER SIDE DASH. BLACK Plug Pin E
DOOR TRIGGER( *1 )at the BCM BEHIND the KNEE BOLSTER, UNDER PASSENGER SIDE DASH, LIGHT BLUE Plug
POWER DOOR LOCKLT. BLUEat the BCM BEHIND the KNEE BOLSTER, UNDER PASSENGER SIDE DASH LIGHT BLUE Plug Pin B5      ( TYPE "B" )
POWER DOOR UNLOCKWHITEat the BCM BEHIND the KNEE BOLSTER, UNDER PASSENGER SIDE DASH LIGHT BLUE Plug Pin B5      ( TYPE "B" )
TACH SENSOR( *2 )at the PCM on the DRIVERS FENDER, GREEN Plug Pin 26

BRAKE

WHITE ( + )at the BRAKE SWITCH
HORNTAN ( - )at the BCM BEHIND the KNEE BOLSTER, UNDER PASSENGER SIDE DASH.    GRAY Plug Pin B9

FACTORY  ANTI-THEFT

PASSLOCK 2Requires part #791 bypass module

   NOTES:                                                     

*1 - The DOOR TRIGGERS are at the  BCM in the LIGHT BLUE PLUG, the DRIVERS DOOR is TAN in PIN B4, the PASSENGER and REAR CARGO DOOR is a LIGHT GREEN in PIN A5, the SLIDING DOORS is a YELLOW/BLACK in PIN A10, YOU MUST USE  DIODES AND ISOLATE EACH wire.

*2 -  The TACH WIRE on a 4.3L is a WHITE WIRE in the GREEN PLUG PIN 26, the  TACH WIRE on a 4.8L, 5.3L AND 6.0L is a PURPLE in the GREEN PLUG PIN 26.

snguyen 
Silver - Posts: 281
Silver spacespace
Joined: October 09, 2003
Location: United States
Posted: October 29, 2004 at 9:33 PM / IP Logged  

Chevrolet

Express

 

Remote Starter  Wiring Colors and Notes

Function

 

Vehicle  Color

Location

Start:

 

Yellow (+)

Ignition switch harness

Ignition  #1:

 

Pink (+)

Ignition switch harness*

Ignition #2:

 

White (+)

Ignition switch harness

Ignition  #3:

 

N/A

Ignition switch harness

Accessory:

 

Orange (+)

Ignition switch harness

Brake  Light:

 

White (+)

Brake pedal switch

Tach  Signal:

 

White or Purple (AC)

Green plug at the PCM**

Parking Lights:

 

Brown (+)

Fuse box under driver seat

Headlights:

 

N/A

OEM Alarm  Disarm:

 

N/A

OEM Alarm  Arm:

 

N/A

Diesel  Glow Plug:

 

N/A

Clutch  Bypass Wire:

 

N/A

Notes:

 *This vehicle is equipped with GM's Passlock II Anti-Theft Security System. Use Universal Alarm Bypass Module part # 2x402 where X can be any number. **The Powertrain Control Module (PCM) is on the driver side fender.

Chevrolet

Express

 

Alarm and Keyless  Entry Wiring Colors and Notes

Function

 

Vehicle  Color

Location

Constant  +12 Volts:

 

RED / Black (x2) (+)

Ignition switch harness

Starter  Kill:

 

Yellow (+)

Ignition switch harness

Ignition  +12 Volts:

 

Pink (+)

Ignition switch harness*

Dome  Lights/Superv:

 

Gray/Black or Dk.Blue/White (+)

Black plug at BCM***

OEM Horn:

 

Tan (-)

Gray plug at BCM***

Power  Lock:

 

Lt.BLue (-)

Blue plug at BCM***

Power  Unlock:

 

White (-)

Blue plug at BCM***

Trunk  Release:

 

N/A

Alarm  Input Wire:

 

Gray/Black or Dk.Blue/White (+)

Black plug at BCM***

Notes:

***The Body Control Module (BCM) is under the passenger side dash, behind the knee bolster.
snguyen 
Silver - Posts: 281
Silver spacespace
Joined: October 09, 2003
Location: United States
Posted: October 29, 2004 at 9:35 PM / IP Logged  
What bypass are you using?
Musicman5000 
Member - Posts: 17
Member spacespace
Joined: October 28, 2004
Location: United States
Posted: October 30, 2004 at 12:45 AM / IP Logged  

Save money by  use two relays and a resistor and its the same as a bypass module and better than some modules

mo12v 
Platinum - Nominee - Posts: 2,748
Platinum - Nominee spaceThis member consistently provides reliable informationspace
Joined: September 30, 2003
Location: Afghanistan
Posted: October 30, 2004 at 6:08 AM / IP Logged  
That is if U have the ability to DMM your PASSlock 2 and purchase the
Relay & Resistor, wire it in & hope U have the right resistance.
Although it may save you money, the cost is not that much higher to purchase
a PASSlock 2 module considering the time it would take a person
who does NOT Install on a regular basis
MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
snguyen 
Silver - Posts: 281
Silver spacespace
Joined: October 09, 2003
Location: United States
Posted: October 30, 2004 at 9:48 PM / IP Logged  

Best bet to buy a bypass and be done with it!  .....MO12v is correct!

Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: October 31, 2004 at 10:41 AM / IP Logged  
Use the PLDATA. It's the best module and it's sooooo user friendly with on y 4 wires to hook up. Even newbees can install this without any problems :
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
sudden impact 
Member - Posts: 4
Member spacespace
Joined: October 21, 2004
Location: United States
Posted: November 02, 2004 at 2:44 PM / IP Logged  
Thanks everyone for your help.  I figured out my problem, it was one of those things I overlooked, simple mistake.  I appreciate your help.
Sudden Impact

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