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$99.95
Injector Harness Upgrade For 2004.5-2005 Chevrolet 6.6L LLY Duramax 98017958
ProSource Diesel
$99.95
Injector Harness Upgrade For 2004.5-2005 Chevrolet 6.6L LLY Duramax 98017958
ProSource Diesel
$29.98
For 2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
Free shipping
$29.98
For 2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$69.95
Inner Injector Harness For 2001-2004 6.6L Chevrolet Duramax LB7 97207227
ProSource Diesel
$69.95
Inner Injector Harness For 2001-2004 6.6L Chevrolet Duramax LB7 97207227
ProSource Diesel
$12.87
2-Pack Diesel Fuel Injector Connector Harness For Chevrolet GMC 6.6L Duramax LLY LBZ LLM Diesel 2 Wire Pigtail 88988963 PT2183
Amazon.com
$12.87
2-Pack Diesel Fuel Injector Connector Harness For Chevrolet GMC 6.6L Duramax LLY LBZ LLM Diesel 2 Wire Pigtail 88988963 PT2183
Amazon.com
$36.99
PSI Power 12" Duramax Fuel Injector Pigtail 2-Way Bosch Harness - PSI2001
PSI Power Products
$36.99
PSI Power 12" Duramax Fuel Injector Pigtail 2-Way Bosch Harness - PSI2001
PSI Power Products
$80.99
01-04 GM 6.6L LB7 Duramax BTR Fuel Injector Inner Harness
Pure Diesel Power
$80.99
01-04 GM 6.6L LB7 Duramax BTR Fuel Injector Inner Harness
Pure Diesel Power
$29.99
01-04 GM LB7 6.6L Duramax Fleece Outer Injector Harness Pigtail
Pure Diesel Power
$29.99
01-04 GM LB7 6.6L Duramax Fleece Outer Injector Harness Pigtail
Pure Diesel Power
LML DURAMAX Injector Return line harness Replacement
10:20
YouTube2nd Momentum Garage
LML DURAMAX Injector Return line harness Replacement
I had to replace the Injector Return hose/harness on my 2013 Silverado 2500HD. It is not that bad of a job really. I knocked it out on one Saturday. Pull fuel filter housing, alternator, and AC compressor and both boost tubes and it'd be pretty quick then. Just make sure when you pull the tabs you pull them straight out. GM GENUINE 12639000 ...
8K viewsMar 12, 2025
Duramax Diesel Trucks
Chevy Unleashes a MONSTER Duramax for the 2027 Silverado 2500HD — The Diesel Revolution Starts Now!
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Chevy Unleashes a MONSTER Duramax for the 2027 Silverado 2500HD — The Diesel Revolution Starts Now!
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2026 Chevrolet Silverado 1500 Duramax Diesel Takes The Lead With SURPRISING Performance
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2026 Chevrolet Silverado 1500 Duramax Diesel Takes The Lead With SURPRISING Performance
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ALL-NEW Duramax Diesel Engine for 2026 Chevrolet Silverado HD Made Me CRY Tears of Joy!
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ALL-NEW Duramax Diesel Engine for 2026 Chevrolet Silverado HD Made Me CRY Tears of Joy!
YouTubeTech Triumph
13.7K views8 months ago
Top videos
04-10 Duramax Injector Harness Install *How to fix Tractor Mode*
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04-10 Duramax Injector Harness Install *How to fix Tractor Mode*
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Duramax Diesel Engine
The 2027 Duramax Looks Powerful… But Can It Beat Cummins?
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The 2027 Duramax Looks Powerful… But Can It Beat Cummins?
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04-10 Duramax Injector Harness Install *How to fix Tractor Mode*
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Find in video from 03:24Installing New Injector Harness
04-10 Duramax Injector Harness Install *How to fix Tractor Mode*
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YouTubeTruck Master
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Find in video from 02:05Injector Harness Replacement
Chevy Duramax LLY - How i fixed the Injector Harness Problem?
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YouTubeDilley's Projects
Duramax Fuel Injector Harness Misfire... Terminal Fretting P0204 P0205 P0304 P0305 P0300
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Find in video from 01:02Identifying the Injector Problem
Duramax Fuel Injector Harness Misfire... Terminal Fretting P0204 …
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YouTubeDadsGarage Diagnostic Specialist
Bad LBZ Duramax Fuel Injector Wire Harness
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Find in video from 01:26Common Problem with Injector Harnesses
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YouTubeToxic Diesel
LLY Duramax Tractor Mode - Injector Harness Repairs
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LLY Duramax Tractor Mode - Injector Harness Repairs
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YouTubePullstart Stables
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L5p Duramax injector pigtail/ harness actual fix
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YouTubeEric Muellenbach
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Find in video from 01:35Removing the Old Wiring Harness
Common Problem with LLY Duramax - *FIXED*
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YouTubeJW Montoya
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Find in video from 02:50Reassembling the Injectors
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Find in video from 00:38Repairing Damaged Connections with Harness Pigtail
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Find in video from 04:20Removing the Injector Connector
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YouTubeC Farmer
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Find in video from 01:56Preparing for Injector Replacement
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YouTubeTDSMotorsports Home DIY
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Find in video from 03:06Removing the Injector Bolts
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LBZ Duramax Wiring Harness Repair: Part 1
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YouTubeDemonWorks - 3.0 Duramax Diesel LM2 LZ0
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6.0 Powerstroke Engine/Injector harness
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YouTubeAutomedic Garage
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Find in video from 09:55Removing Injector Lines and Resonator
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YouTubeRainman Ray's Repairs
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Find in video from 16:51Removing Injectors and Return Line
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YouTubeMeanBee392
6:57
Find in video from 01:19Identifying the Injector Code
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YouTubeVassmotorsports
31:28
P0206 Duramax L5P #6 injector pigtail replacement
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YouTubeHorner’s corner
See more videos
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Shop duramax injector harness

Sponsored
About our ads
$99.95
Injector Harness Upgrade For 2004.5-2005 Chevrolet 6.6L LLY Duramax 98017958
ProSource Diesel
$99.95
Injector Harness Upgrade For 2004.5-2005 Chevrolet 6.6L LLY Duramax 98017958
ProSource Diesel
$29.98
For 2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
Free shipping
$29.98
For 2017-2024 6.6L L5p Duramax Gm Chevrolet Injector Repair Harness
eBay
$69.95
Inner Injector Harness For 2001-2004 6.6L Chevrolet Duramax LB7 97207227
ProSource Diesel
$69.95
Inner Injector Harness For 2001-2004 6.6L Chevrolet Duramax LB7 97207227
ProSource Diesel
$12.87
2-Pack Diesel Fuel Injector Connector Harness For Chevrolet GMC 6.6L Duramax LLY LBZ LLM Diesel 2 Wire Pigtail 88988963 PT2183
Amazon.com
$12.87
2-Pack Diesel Fuel Injector Connector Harness For Chevrolet GMC 6.6L Duramax LLY LBZ LLM Diesel 2 Wire Pigtail 88988963 PT2183
Amazon.com
$36.99
PSI Power 12" Duramax Fuel Injector Pigtail 2-Way Bosch Harness - PSI2001
PSI Power Products
$36.99
PSI Power 12" Duramax Fuel Injector Pigtail 2-Way Bosch Harness - PSI2001
PSI Power Products
$80.99
01-04 GM 6.6L LB7 Duramax BTR Fuel Injector Inner Harness
Pure Diesel Power
$80.99
01-04 GM 6.6L LB7 Duramax BTR Fuel Injector Inner Harness
Pure Diesel Power
$29.99
01-04 GM LB7 6.6L Duramax Fleece Outer Injector Harness Pigtail
Pure Diesel Power
$29.99
01-04 GM LB7 6.6L Duramax Fleece Outer Injector Harness Pigtail
Pure Diesel Power