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S10 & Blazer DIY and Useful Threads This section is strictly for frequently asked questions pertaining to S10s and Blazers.

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  #1  
Old 05-20-2008, 11:17 AM
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Default Wiring----Color Codes-----

82-93 S-10 or blazer
12volts red (there will be 2) + ignition harness
Starter yellow or purple + ignition harness
Ignition pink + ignition harness
Second Ignition white + ignition harness
Accessory orange + ignition harness
Second Accessory brown + ignition harness
Power Lock lt. blue drivers kick panel
Power Unlock black/white drivers kick panel
Parking Lights+ brown switch or rear harness
Door Trigger white - pin or courtesy light
Dome Supervision use door trigger
Trunk/Hatch Release black + relay under left dash
Tachometer white AC coil on top of engine
Brake Wire white + at brake pedal switch
Parking Brake black - at the e-brake
Horn Trigger black - steering column


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


98 + S-10 or blazer
12volts 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
Power Unlock white + brown plug at BCM
Lock Motor gray 5wi driver kick panel
Unlock Motor tan 5wi driver kick panel
Parking Lights+ brown + lt. blue plug at BCM
Parking Lights- white - lt. blue plug at BCM
Door Trigger - BCM
Dome Supervision use door trigger
Trunk/Hatch Pin pink/black - lt. blue plug at BCM
Trunk/Hatch Release black - purple plug at BCM
Tachometer white ac PCM
Brake Wire white + steering column
Parking Brake black - at the pedal
Horn Trigger black - steering column


Audio Related (covers all years except for slight variances)
Radio 12v--- orange
Radio Ground--- black
Radio Ignition--- yellow
Radio Illumination--- brown
Dimmer--- gray
Power Antenna--- pink...never in a s10 or blazer...but other gm's
LF Speaker +/- tan - grey
RF Speaker +/- lt green - dk green
LR Speaker +/- brown - yellow
RR Speaker +/- dk. blue- lt. blue
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  #2  
Old 05-12-2009, 03:58 PM
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Cool Ignition Black Wire?

Hey Rabbit,

You wrote:

82-93 S-10 or blazer
12volts red (there will be 2) + ignition harness
Starter yellow or purple + ignition harness
Ignition pink + ignition harness
Second Ignition white + ignition harness
Accessory orange + ignition harness
Second Accessory brown + ignition harness

I also have a black wire coming from the ignition switch for my 82 S10 column. Any idea what this is for? I am putting the column in a 49 Chevy Pickup and am doing the wiring myself.

Thanks...
patioman
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  #3  
Old 05-13-2009, 10:10 PM
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Ground most likely.
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  #4  
Old 05-13-2009, 10:18 PM
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Default

Yes black usually indicates a ground wire.
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  #5  
Old 05-14-2009, 07:40 AM
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makes sense to me....thanks
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  #6  
Old 05-19-2009, 02:20 PM
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Default need help 98 s10

hey i have a 98 chevy s-10 i had to take the dashboard out because i snapped the plastic pivot for the clutch pedal anyways everything went smoothly back into place but i have a plug that dosnt have a home i work for a nissan dealership and by no means am i stupid.

the plug is pertruding through where the e-brake release is (i havent put that panel on yet) it has 10GA wire with red blue orange and brown

i tried alldata and mitchell and still nothing
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  #7  
Old 06-25-2010, 04:21 AM
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Default

Quote:
Originally Posted by patioman View Post
makes sense to me....thanks
yeah,,that black wire coming from the ignition switch is a ground,,it has the same connection with the wire coming from the Headlight Switch..


Last edited by kurtdaniel; 07-10-2010 at 03:23 AM.
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  #8  
Old 09-27-2010, 04:39 AM
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  #9  
Old 11-02-2010, 07:58 PM
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Default '89 S-10 Blazer under-dash wiring photo?

Hello,

I like the post but have not been able to find what I need.

I am in need of a color photo of the wiring harness that includes the various interior lights, ashtray light, glove compartment light and radio wiring for an '89 S-10 Blazer. I've searched online including Autozone's slte and I have not been able to find what I'm looking for.

I disassembled my dash and failed to label which wires go where. It's been long enough that I cannot remember, and to complicate matters the aftermarket stereo does not utilize some of the wiring and plugs that still exist behind the radio.

I think what remains to be put back in their proper places are 2 or 3 courtesy lights, the ashtray light and the glove box light.

If this type of photo is available from a particular manual or book that can be found in a library, etc. I sure would appreciate being aimed in the right direction.

Thanks,
DBG
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  #10  
Old 08-28-2014, 01:44 AM
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Hey I have a 2012 RG Colorado im tryying to put a turbo timer on but im having trouble with the ignition harness colors can somebody help me? Thanks
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Old 08-28-2014, 01:44 AM
 
 
 
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12v, chevy, code, codes, color, column, gm, ignition, impala, lock, s10, steering, wire, wires, wiring


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