2007 Chevrolet Trailblazer LS 4.2L SIR System
To the best of my knowledge, SIR light was off prior to my service with the ign. switch.I rechecked all of my work and cannot see an error.I pulled in another GM car with same harness and did a comparative analysis. The resistance readings are the same. 2ohms....
FIX posted 4/9/2010
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Message Closed w/FIX
Vehicle Data2007 Chevrolet Trailblazer LS
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Message Closed w/FIX
Vehicle Data
2007 Chevrolet Trailblazer LS
VIN | 1GNDT13SO7 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Affected | SIR System |
Conditions | Light On |