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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1398 (Wiring Systems (Diagnostic Information And Procedures)) >> Wiring Repairs >> Terminal Position Assurance (TPA)

Terminal Position Assurance (TPA)

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The terminal position assurance (TPA) insert resembles the plastic combs used in the control module connectors. The TPA keeps the terminal securely seated in the connector body. Do not remove the TPA from the connector body unless you remove a terminal for replacement.