Question about 2004 Chevrolet TrailBlazer

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How to remove wiring harness on 04 blazer - 2004 Chevrolet TrailBlazer

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  • Chevrolet Master
  • 3,103 Answers

In sections with masking tape to mark each location and where it goes.. there is an underhood section and an interior section to include the fuseblock and all the relays..

Posted on Jan 02, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 04 Trailblazer, trying to connect a gmos-04 harness kit to an alpine aftermarket stereo, just having trouble finding AMP turn-on wire, ignition or accessory wire, illumination wire, and the dimmer wir

you don't need all those wires . Just connect what you have and the gmos will simulate the rest

Posted on Aug 21, 2009

  • 2002 Answers

SOURCE: 1994 s-10 blazer 4.3 vortec wiring harness

The color codes will be different so when you take the harness off the 95 make sure that you label ALL the connectors to make it easier to install it on your Blazer. You may also have to change some sensors or switches up to 95 so that the harness will fit. Label all the empty connectors with their location in the 95 because they will be for options that may or may not be on your Blazer. If you have to access a wire diagram to complete the job then use the 95. DON'T let someone else take the 95 harness out for you andtake a rough diagram of your truck with the plug-ins marked for location and # of pins for wires. Basically it should fit but attention to detail is a must.
Also check out faxonautoliterature. They list GM service manuals but also GM books for engine interchanges that may prove to be very helpful. Hope this helps.

Posted on Nov 02, 2009

emissionwiz
  • 75822 Answers

SOURCE: removing 4.3 engine from 2000 blazer ,main wiring harness runs across engine

Disconnect it.

Posted on Aug 26, 2012

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I'm adding the two factory charger ports under the dash of my 04 blazer is there a plug for the little pig tail coming off them on my wiring harness


It is possible there will be a connector there. Some manufactures use just one main wiring harness for all vehicles and will tuck the unused accessory wiring out of the way with tape. You won't know until you look

Nov 08, 2015 | Cars & Trucks

1 Answer

Battery drains after stereo install


Sounds like BCM unable to power down with this unit. Call Kenwood tech. support for assistance.

Jan 09, 2014 | 1997 Chevrolet Blazer

1 Answer

How to change a starter on a 2004 Acura TSX


Removal

  1. Make sure you have the anti-theft codes for the audio system and the
    navigation system (if equipped), then write down the audio presets.
  2. Disconnect the negative cable from the battery.
  3. Remove the
    intake manifold, '04-05 models,
    '06-08
    models.

  1. Disconnect the starter cable (A) from the B terminal, and disconnect
    the BLK/WHT wire (B) from the starter solenoid S terminal.
  2. Remove the harness clamp (C) and the harness holder (D).

  3. Remove the two bolts holding the starter, then remove the
    starter.
  4. Installation

    1. Install the starter, then connect the starter cable (A) to the B
      terminal, and connect the BLK/WHT wire (B) to the starter solenoid S terminal.
      Make sure the crimped side of the ring terminal faces away from the starter when
      you connect it.
    2. Install the harness holder (C) and the harness clamp (D).
    3. Install the
      intake manifold, '04-05 models,
      '06-08
      models.

    4. Connect the negative cable to the battery.
    5. Start the engine to make sure the starter works properly.

    6. Enter the anti-theft codes for the audio system and the navigation
      system (if equipped), then enter the audio presets. Set the clock (on vehicles
      without navigation).

rjaai003_204.asp?menuid=rdbawh030000&sessionid=b23b61ec-6b2d-41dc-8d50-15026d64c21a&dbkey=sea7a00a46500056901kdad01

Nov 02, 2013 | 2004 Acura TSX

1 Answer

How do i install o2 sensors in a 04 dodge dakota


1- disconnect it from the wiring harness
2- with a 22mm open end wrench unscrew it and remove
3- apply anti-seize paste on the threads of the new sensor and screw it in
4- reconnect to wiring harness and you're done. make sure that the harness is as far from the exhaust as it can be.

Mar 15, 2013 | Cars & Trucks

1 Answer

Where are grounds located for ho2s sensors on 04 blazer?


Should be there, connected to it. There are four wires in it's harness. Two have stripes or dots, those are the grounds. Usually the wires are in sets like, two green and two white. However black, purple, and gray are also common.

Jan 09, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

1994 s-10 blazer 4.3 vortec wiring harness


The color codes will be different so when you take the harness off the 95 make sure that you label ALL the connectors to make it easier to install it on your Blazer. You may also have to change some sensors or switches up to 95 so that the harness will fit. Label all the empty connectors with their location in the 95 because they will be for options that may or may not be on your Blazer. If you have to access a wire diagram to complete the job then use the 95. DON'T let someone else take the 95 harness out for you andtake a rough diagram of your truck with the plug-ins marked for location and # of pins for wires. Basically it should fit but attention to detail is a must.
Also check out faxonautoliterature. They list GM service manuals but also GM books for engine interchanges that may prove to be very helpful. Hope this helps.

Nov 02, 2009 | Chevrolet Blazer Cars & Trucks

1 Answer

My 1996 chevy blazer a/c compressor doesn't engage


check fuse then relay, if both ok disconnect snap in wiring harness at the top of the accumulator tank and use a jumper wire . plug it into the end of wire harness turn a/c on to max if pump kicks on ,then its not the pump but switch that is screwed into the accumulator tank. ran into the same problem with my 97 blazer definetly a cheaper fix than pump also make sure a/c is discharger first before removing switch a/c is a pressurized system so you dont get hurt or worse frostbite

Jul 07, 2009 | 1996 Chevrolet Blazer

1 Answer

2002 CHEVY BLAZER


Can purchased an adapter kit at Best Buy or Circuit City that is color cordinated with the factory wires for about 12.00. This will go right into the factory plug.

Radio 12v orange + radio harness
Radio Ground black - radio harness
Radio Ignition dk. green + radio harness
Radio Illumination gray (dimmer) + radio harness
Factory Amp Turn-on N/A
Power Antenna N/A
LF Speaker +/- tan - gray +,- radio harness
RF Speaker +/- lt. green - dk. green +,- radio harness
LR Speaker +/- brown - yellow +,- radio harness
RR Speaker +/- dk. blue - lt. blue +,- radio harness
Immobilizer Bypass Module: Required: Yes Type: Passlock 2 Part #: 457G, 555L, or 555T
Notes: The Passlock 2 wire colors are yellow, orange/black, and red/white (not used).

Sep 21, 2008 | 2002 Chevrolet Blazer

1 Answer

1995 Chevy Blazer Wire Color Codes


95-97 blazer or 94-97 S-10
12volts red (there will be 2)+ ignition harness
Starter purple or yellow + ignition harness
Ignition pink + ignition harness
Second Ignition white or pink/white + ignition harness
Accessory orange + ignition harness
Power Lock lt. blue + either kick panel
Power Unlock white + either kick panel
Lock Motor gray drivers kick panel
Unlock Motor tan drivers kick panel
Parking Lights+ brown switch or rear harness
Door Trigger white - keyless module
Dome Supervision use door trigger
Trunk/Hatch Pin tied in with doors
Trunk/Hatch Release black/white + switch or keyless
Tachometer white AC ECM
Brake Wire white + at brake pedal switch
Parking Brake black at the pedal
Horn Trigger black - steering column

Jun 13, 2008 | 1995 Chevrolet Blazer

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