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2001 blazer wiring diagram

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z28plus 
Member - Posts: 24
Member
Joined: December 12, 2002
Location: United States
Posted: March 12, 2003 at 3:26 PM / IP Logged  
i need a wiring diagram for a 2001 blazer, and any suggestions on how to hook up a pass2 module for the pass key bypass??? does it have to be hooked up to the alarm, or is it seperate by itself.
draasch 
Gold - Posts: 2,189
Gold
Joined: February 07, 2003
Location: Florida, United States
Posted: March 12, 2003 at 4:23 PM / IP Logged  
if you have a s10 blazer here you go:
Constant 12 volts RED (2) IGNITION SWITCH HARNESS
Ignition 12 volts PINK IGNITION SWITCH HARNESS
Starter YELLOW IGNITION SWITCH HARNESS
Dome Light WHITE (-) AT COURTESY LIGHT ABOVE THE DASH *
Trunk Pin Switch DOME LIGHT AT COURTESY LIGHT ABOVE THE DASH
Parking Lamp L BLUE (+) AT LIGHT SWITCH HARNESS
Power Lock L BLUE (+) AT MODULE ABOVE DRIVER KICK PANEL#202
Power Unlock WHITE (+) AT MODULE ABOVE DRIVER KICK PANEL
* At The BCM Located Behind The Driver's Dash In Front Of The Center Console, Tan Covers Driver's Doors,Orange Covers Passenger's Door,Blue/White Covers Rear Doors, And Pink/Black Covers The Hatch.Diode Isolation Needed Cathode (Band) Side Of Diode Faces OEM Wires. #202 See Positive Pulse Door Lock Diagram
2vmodular 
Member - Posts: 46
Member
Joined: December 31, 2002
Posted: March 12, 2003 at 11:03 PM / IP Logged  
|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|red                 |+ |ignition harness            |
|          STARTER|yellow              |+ |ignition harness            |
|        IGNITION|pink               |+ |ignition harness            |
| SECOND IGNITION|white               |+ |ignition harness            |
|        ACCESSORY|orange              |+ |ignition harness            |
|       POWER LOCK|lt. blue            |+ |brown plug at BCM *1        |
|     POWER UNLOCK|white               |+ |brown plug at BCM *1        |
|       LOCK MOTOR|gray               |   |drivers kick panel          |
|     UNLOCK MOTOR|tan                 |   |drivers kick panel          |
|    DISARM DEFEAT|tan                 |   |passengers kick panel       |
| PARKING LIGHTS +|brown               |   |lt. blue plug at BCM *1     |
| PARKING LIGHTS -|white *4            |   |lt. blue plug at BCM *1     |
|       HEADLIGHTS|purple/white        |- |purple plug at BCM *1       |
|     DOOR TRIGGER|*2                  |- |BCM *1                      |
| DOME SUPERVISION|use door trigger    |   |                            |
| TRUNK/HATCH PIN|pink/black          |- |lt. blue plug at BCM *1     |
|TRNK/HTCH RELEASE|black               |- |purple plug at BCM *1       |
|FCTRY ALRM DISARM|lt.green            |- |purple plug at BCM *1       |
|       TACHOMETER|white               |   |PCM *3                      |
|       BRAKE WIRE|white               |+ |steering column             |
|     HORN TRIGGER|black               |- |steering column *5          |
| LF WINDOW UP/DN|blue - brown        |A |driver window switch        |
| RF WINDOW UP/DN|lt. blue - tan      |A |driver kick, door harness   |
| LR WINDOW UP/DN|green - purple      |A |driver kick, door harness   |
| RR WINDOW UP/DN|lt. green - purple |A |driver kick, door harness   |
Notes:
NOTE: This vehicle has the passlock II immobilizer system that, when adding a
remote start, must be interfaced with. Use DEI part 555t or 555L. *1 The BCM
is located to the right of the accelerator pedal below the radio. The plugs
on the BCM face towards the drivers side.   *2 Use tan for the drivers door
located in pin B4 of the purple plug, orange for the passenger door located
in pin B2 of the purple plug, and dk. blue/white for the rear doors and rear
hatch located in pin B11 of the lt. blue plug, must diode isolate these
wires. *3 The PCM is located on the passenger fender. On the 2.2L the wire
is in a black 80 pin plug pin 10, and on the 4.3L the wire is in a red 32 pin
plug pin 20. *4 This wire will not test when using the headlight switch.
This wire is triggered by the DRL system. To meter the wire, start the car
with the parking brake set, when the brake is released this wire will go to
ground. *5 Also found in the brown plug at the BCM on vehicles with a
factory alarm.

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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.
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