SYMBOLDESCRIPTIONS1Accessory Power Relay (With Power Sunroof or Power Door Locks)2Relay Block Cassette3Junction Block 1 Connector C5,C6,C7,C8 and C94I / P Harness 15Engine Compartment Harness6Junction Block 17Floor Harness8LH Front Door Harness9I / P Harness 2 ( Whith Power Sunroof or Power Door Locks )10Audio Alarm Module GM II 1999 Junction Electrical Circuit Symbol Map