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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 233 (Wiring Systems (General Information)) >> Diagnostic Information and Procedures >> SIR/SRS Wiring Repairs >> Connector Position Assurance (CPA)

Connector Position Assurance (CPA)

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The connector position assurance (CPA) is a small plastic insert that fits through the locking tabs of all the SIR/SRS system electrical connectors. The CPA ensures that the connector halves cannot vibrate apart. You must have the CPA in place in order to ensure good contact between the SIR/SRS mating terminals.