Off-Board Programming Harnesses
GM PCM/ECM/TCM - OBDII and CAN
Simply connect the switch assembly to a 12 volt power supply, connect an extension harness to the switch assembly, and then use your desktop/laptop, software, and interface cable to reprogram these PCM/ECM/TCM's outside of the vehicle. OBDI and OBDII interface cable and software are not included.
| Ordering for the first time? Begin by choosing the switch assembly... | ||
| $65.00 |
Off-Board Harness Switch Assembly
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| ...and then choose from the extension harnesses below. | ||
| $70.00 |
96-97 LT1 Extension Harness
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| $55.00 |
96-00 Vortec Extension Harness
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| $50.00 |
97-98 LSx Extension Harness
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| $50.00 |
99-08 LSx Extension Harness
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| $85.00 |
E40 & P12 ECM and TCM Extension Harness
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| $95.00 |
E38 ECM and TCM Extension Harness
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| $100.00 |
E67 ECM and TCM Extension Harness
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| OBDI LT1 Harnesses | ||
| $125.00 |
94-95 LT1 Harness - OBDI Connector w/ Battery Power Near Diagnostic Port (for Interface)
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| $125.00 |
94-95 LT1 Harness - OBDII Connector w/ Battery Power Near Diagnostic Port (for Interface)
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