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TechSmart J72001 Ignition Knock (Detonation) Sensor Harness
| Brand | TechSmart J72001 |
|---|---|
| Fits | Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Pontiac · 236 vehicles |
Direct-fit replacement. Ensures easy installation with no modifications needed.
High-temp wiring. Withstands elevated underhood temperatures.
OE performance. Meets or exceeds OE standards for dependable service.
Cross-references Dorman - OE Solutions 917-033, Power Train PTA1 and Standard Ignition PTH1 for the same application. See all 9.
$38.55Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Ignition Knock (Detonation) Sensor Harness options
Ignition Knock Sensor Harness Overview
TechSmart J72001 is a direct-fit ignition knock sensor harness for GM trucks, SUVs, and performance models that use a detonation sensor wiring repair. It is built for replacing frayed or cracked knock sensor wiring on applications such as Chevrolet Silverado, GMC Sierra, and Cadillac Escalade.
Key Features
- Direct-fit replacement for easier installation
- High-temperature wiring for elevated underhood heat
- Replacement for damaged knock sensor harnesses with cracked or frayed wiring
- Engineered to meet or exceed OE performance targets
- Fits a wide range of GM applications, including Silverado 1500, Sierra 1500, Tahoe, Yukon, and Hummer H2
Detailed Description
TechSmart J72001 is a replacement ignition knock sensor harness designed for vehicles that need a reliable repair to the detonation sensor circuit. It supports accurate signal transfer in GM platforms where heat, vibration, and age can damage original wiring. This part number J72001 is a practical choice for technicians servicing Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and related applications.
This part cross-references Dorman OE Solutions 917-033 for the same application.
What It Helps Fix
- Cracked or brittle knock sensor wiring
- Frayed harness insulation from heat exposure
- Intermittent knock sensor signal faults
- Engine performance issues tied to damaged sensor wiring
- Diagnostic trouble codes related to the knock sensor circuit
Installation Notes and Tips
Verify connector style and routing before installation. Inspect nearby wiring, connectors, and sensor mounting points for heat damage or corrosion while servicing the harness. Confirm vehicle application by year, make, and model before ordering; TechSmart J72001 is listed for 1998-2008 GM cars, trucks, and SUVs including Chevrolet Corvette, Pontiac Firebird, and Cadillac CTS.
Quality Assurance
TechSmart states that its replacement parts meet or exceed OE performance standards. J72001 is manufactured as a direct-fit replacement to support a straightforward repair on the listed applications.
This part fits 236 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Chevrolet | Silverado 3500 HD | 6.0L | V8 | N/A | — |
| 2007 | Chevrolet | Express 1500 | 5.3L | V8 | N/A | — |
| 2007 | Chevrolet | Express 2500 | 4.8L | V8 | N/A | — |
| 2007 | Chevrolet | Express 2500 | 6.0L | V8 | N/A | — |
| 2007 | Chevrolet | Express 3500 | 4.8L | V8 | N/A | — |
| 2007 | Chevrolet | Express 3500 | 6.0L | V8 | N/A | — |
| 2007 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2007 | Chevrolet | Silverado 1500 HD Classic | — | — | N/A | — |
| 2007 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2007 | Chevrolet | Silverado 2500 HD Classic | — | — | N/A | — |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.0L | V8 | N/A | — |
| 2007 | Chevrolet | Silverado 3500 HD | 6.0L | V8 | N/A | — |
| 2007 | GMC | Savana 1500 | 5.3L | V8 | N/A | — |
| 2007 | GMC | Savana 2500 | 4.8L | V8 | N/A | — |
| 2007 | GMC | Savana 2500 | 6.0L | V8 | N/A | — |
| 2007 | GMC | Savana 3500 | 4.8L | V8 | N/A | — |
| 2007 | GMC | Savana 3500 | 6.0L | V8 | N/A | — |
| 2007 | GMC | Sierra 1500 | — | — | N/A | — |
| 2007 | GMC | Sierra 1500 HD Classic | — | — | N/A | — |
| 2007 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2007 | GMC | Sierra 2500 HD Classic | 6.0L | V8 | N/A | — |
| 2007 | GMC | Sierra 3500 Classic | 6.0L | V8 | N/A | — |
| 2007 | GMC | Sierra 3500 HD | — | — | N/A | — |
| 2007 | Hummer | H2 | 6.0L | V8 | N/A | — |
| 2006 | Cadillac | Escalade | — | — | N/A | — |
| 2006 | Cadillac | Escalade ESV | — | — | N/A | — |
| 2006 | Cadillac | Escalade EXT | — | — | N/A | — |
| 2006 | Chevrolet | Avalanche 1500 | — | — | N/A | — |
| 2006 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2006 | Chevrolet | Express 1500 | 5.3L | V8 | N/A | — |
| 2006 | Chevrolet | Express 2500 | 4.8L | V8 | N/A | — |
| 2006 | Chevrolet | Express 2500 | 6.0L | V8 | N/A | — |
| 2006 | Chevrolet | Express 3500 | 4.8L | V8 | N/A | — |
| 2006 | Chevrolet | Express 3500 | 6.0L | V8 | N/A | — |
| 2006 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2006 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2006 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2006 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2006 | Chevrolet | Silverado 3500 | — | — | N/A | — |
| 2006 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2006 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2006 | Chevrolet | Tahoe | — | — | N/A | — |
| 2006 | GMC | Savana 1500 | 5.3L | V8 | N/A | — |
| 2006 | GMC | Savana 2500 | 4.8L | V8 | N/A | — |
| 2006 | GMC | Savana 2500 | 6.0L | V8 | N/A | — |
| 2006 | GMC | Savana 3500 | 4.8L | V8 | N/A | — |
| 2006 | GMC | Savana 3500 | 6.0L | V8 | N/A | — |
| 2006 | GMC | Sierra 1500 | — | — | N/A | — |
| 2006 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2006 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2006 | GMC | Sierra 3500 | — | — | N/A | — |
| 2006 | GMC | Yukon | — | — | N/A | — |
| 2006 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2006 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2006 | Hummer | H2 | 6.0L | V8 | N/A | — |
| 2005 | Cadillac | CTS | 5.7L | V8 | N/A | — |
| 2005 | Cadillac | Escalade | — | — | N/A | — |
| 2005 | Cadillac | Escalade ESV | — | — | N/A | — |
| 2005 | Cadillac | Escalade EXT | — | — | N/A | — |
| 2005 | Chevrolet | Avalanche 1500 | — | — | N/A | — |
| 2005 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2005 | Chevrolet | Express 1500 | 5.3L | V8 | N/A | — |
| 2005 | Chevrolet | Express 2500 | 4.8L | V8 | N/A | — |
| 2005 | Chevrolet | Express 2500 | 5.3L | V8 | N/A | — |
| 2005 | Chevrolet | Express 2500 | 6.0L | V8 | N/A | — |
| 2005 | Chevrolet | Express 3500 | 4.8L | V8 | N/A | — |
| 2005 | Chevrolet | Express 3500 | 6.0L | V8 | N/A | — |
| 2005 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2005 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2005 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2005 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2005 | Chevrolet | Silverado 3500 | — | — | N/A | — |
| 2005 | Chevrolet | SSR | — | — | N/A | — |
| 2005 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2005 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2005 | Chevrolet | Tahoe | — | — | N/A | — |
| 2005 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2005 | GMC | Envoy | 5.3L | V8 | N/A | — |
| 2005 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2005 | GMC | Envoy XUV | 5.3L | V8 | N/A | — |
| 2005 | GMC | Savana 1500 | 5.3L | V8 | N/A | — |
| 2005 | GMC | Savana 2500 | 4.8L | V8 | N/A | — |
| 2005 | GMC | Savana 2500 | 5.3L | V8 | N/A | — |
| 2005 | GMC | Savana 2500 | 6.0L | V8 | N/A | — |
| 2005 | GMC | Savana 3500 | 4.8L | V8 | N/A | — |
| 2005 | GMC | Savana 3500 | 6.0L | V8 | N/A | — |
| 2005 | GMC | Sierra 1500 | — | — | N/A | — |
| 2005 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2005 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2005 | GMC | Sierra 3500 | — | — | N/A | — |
| 2005 | GMC | Yukon | — | — | N/A | — |
| 2005 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2005 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2005 | Hummer | H2 | 6.0L | V8 | N/A | — |
| 2005 | Isuzu | Ascender | 5.3L | V8 | N/A | — |
| 2004 | Buick | Rainier | 5.3L | V8 | N/A | — |
| 2004 | Cadillac | CTS | 5.7L | V8 | N/A | — |
| 2004 | Cadillac | Escalade | — | — | N/A | — |
| 2004 | Cadillac | Escalade ESV | — | — | N/A | — |
| 2004 | Cadillac | Escalade EXT | — | — | N/A | — |
| 2004 | Chevrolet | Avalanche 1500 | — | — | N/A | — |
| 2004 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2004 | Chevrolet | Corvette | — | — | N/A | — |
| 2004 | Chevrolet | Express 1500 | 5.3L | V8 | N/A | — |
| 2004 | Chevrolet | Express 2500 | 4.8L | V8 | N/A | — |
| 2004 | Chevrolet | Express 2500 | 5.3L | V8 | N/A | — |
| 2004 | Chevrolet | Express 2500 | 6.0L | V8 | N/A | — |
| 2004 | Chevrolet | Express 3500 | 6.0L | V8 | N/A | — |
| 2004 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2004 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2004 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2004 | Chevrolet | Silverado 3500 | — | — | N/A | — |
| 2004 | Chevrolet | SSR | — | — | N/A | — |
| 2004 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2004 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2004 | Chevrolet | Tahoe | — | — | N/A | — |
| 2004 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2004 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2004 | GMC | Envoy XUV | 5.3L | V8 | N/A | — |
| 2004 | GMC | Savana 1500 | 5.3L | V8 | N/A | — |
| 2004 | GMC | Savana 2500 | 4.8L | V8 | N/A | — |
| 2004 | GMC | Savana 2500 | 5.3L | V8 | N/A | — |
| 2004 | GMC | Savana 2500 | 6.0L | V8 | N/A | — |
| 2004 | GMC | Savana 3500 | 6.0L | V8 | N/A | — |
| 2004 | GMC | Sierra 1500 | — | — | N/A | — |
| 2004 | GMC | Sierra 2500 | — | — | N/A | — |
| 2004 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2004 | GMC | Sierra 3500 | — | — | N/A | — |
| 2004 | GMC | Yukon | — | — | N/A | — |
| 2004 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2004 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2004 | Hummer | H2 | 6.0L | V8 | N/A | — |
| 2004 | Isuzu | Ascender | — | — | N/A | — |
| 2004 | Pontiac | GTO | — | — | N/A | — |
| 2003 | Cadillac | Escalade | — | — | N/A | — |
| 2003 | Cadillac | Escalade ESV | — | — | N/A | — |
| 2003 | Cadillac | Escalade EXT | — | — | N/A | — |
| 2003 | Chevrolet | Avalanche 1500 | — | — | N/A | — |
| 2003 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2003 | Chevrolet | Corvette | — | — | N/A | — |
| 2003 | Chevrolet | Express 1500 | 5.3L | V8 | N/A | — |
| 2003 | Chevrolet | Express 2500 | 4.8L | V8 | N/A | — |
| 2003 | Chevrolet | Express 2500 | 5.3L | V8 | N/A | — |
| 2003 | Chevrolet | Express 2500 | 6.0L | V8 | N/A | — |
| 2003 | Chevrolet | Express 3500 | 6.0L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2003 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2003 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2003 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2003 | Chevrolet | Silverado 3500 | — | — | N/A | — |
| 2003 | Chevrolet | SSR | — | — | N/A | — |
| 2003 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2003 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2003 | Chevrolet | Tahoe | — | — | N/A | — |
| 2003 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2003 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2003 | GMC | Savana 1500 | 5.3L | V8 | N/A | — |
| 2003 | GMC | Savana 2500 | 4.8L | V8 | N/A | — |
| 2003 | GMC | Savana 2500 | 5.3L | V8 | N/A | — |
| 2003 | GMC | Savana 2500 | 6.0L | V8 | N/A | — |
| 2003 | GMC | Savana 3500 | 6.0L | V8 | N/A | — |
| 2003 | GMC | Sierra 1500 | — | — | N/A | — |
| 2003 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2003 | GMC | Sierra 2500 | — | — | N/A | — |
| 2003 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2003 | GMC | Sierra 3500 | — | — | N/A | — |
| 2003 | GMC | Yukon | — | — | N/A | — |
| 2003 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2003 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2003 | Hummer | H2 | 6.0L | V8 | N/A | — |
| 2003 | Isuzu | Ascender | 5.3L | V8 | N/A | — |
| 2002 | Cadillac | Escalade | — | — | N/A | — |
| 2002 | Cadillac | Escalade EXT | — | — | N/A | — |
| 2002 | Chevrolet | Avalanche 1500 | — | — | N/A | — |
| 2002 | Chevrolet | Avalanche 2500 | — | — | N/A | — |
| 2002 | Chevrolet | Camaro | 5.7L | V8 | N/A | — |
| 2002 | Chevrolet | Corvette | — | — | N/A | — |
| 2002 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2002 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2002 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2002 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2002 | Chevrolet | Silverado 3500 | — | — | N/A | — |
| 2002 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2002 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2002 | Chevrolet | Tahoe | — | — | N/A | — |
| 2002 | GMC | Sierra 1500 | — | — | N/A | — |
| 2002 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2002 | GMC | Sierra 2500 | — | — | N/A | — |
| 2002 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2002 | GMC | Sierra 3500 | — | — | N/A | — |
| 2002 | GMC | Yukon | — | — | N/A | — |
| 2002 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2002 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2002 | Pontiac | Firebird | 5.7L | V8 | N/A | — |
| 2001 | Chevrolet | Camaro | 5.7L | V8 | N/A | — |
| 2001 | Chevrolet | Corvette | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 2500 HD | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 3500 | — | — | N/A | — |
| 2001 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2001 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2001 | Chevrolet | Tahoe | — | — | N/A | — |
| 2001 | GMC | Sierra 1500 | — | — | N/A | — |
| 2001 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2001 | GMC | Sierra 2500 | — | — | N/A | — |
| 2001 | GMC | Sierra 2500 HD | — | — | N/A | — |
| 2001 | GMC | Sierra 3500 | — | — | N/A | — |
| 2001 | GMC | Yukon | — | — | N/A | — |
| 2001 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2001 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2001 | Pontiac | Firebird | 5.7L | V8 | N/A | — |
| 2000 | Chevrolet | Camaro | 5.7L | V8 | N/A | — |
| 2000 | Chevrolet | Corvette | — | — | N/A | — |
| 2000 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2000 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 2000 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | — |
| 2000 | Chevrolet | Suburban 2500 | — | — | N/A | — |
| 2000 | Chevrolet | Tahoe | — | — | N/A | — |
| 2000 | GMC | Sierra 1500 | — | — | N/A | — |
| 2000 | GMC | Sierra 2500 | — | — | N/A | — |
| 2000 | GMC | Yukon | 4.8L | V8 | N/A | — |
| 2000 | GMC | Yukon | 5.3L | V8 | N/A | — |
| 2000 | GMC | Yukon XL 1500 | — | — | N/A | — |
| 2000 | GMC | Yukon XL 2500 | — | — | N/A | — |
| 2000 | Pontiac | Firebird | 5.7L | V8 | N/A | — |
| 1999 | Chevrolet | Camaro | 5.7L | V8 | N/A | — |
| 1999 | Chevrolet | Corvette | — | — | N/A | — |
| 1999 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 1999 | Chevrolet | Silverado 2500 | — | — | N/A | — |
| 1999 | GMC | Sierra 1500 | — | — | N/A | — |
| 1999 | GMC | Sierra 2500 | — | — | N/A | — |
| 1999 | Pontiac | Firebird | 5.7L | V8 | N/A | — |
| 1998 | Chevrolet | Corvette | — | — | N/A | — |
| 1998 | Pontiac | Firebird | 5.7L | V8 | N/A | — |
| No rows match your filter. | ||||||
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 917-033Power Train — PTA1Standard Ignition — PTH11P20691437730677812575869JAC1076TRH102