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DTC B2483 or B2484 Step Action Values Yes No Schematic Reference: OnStar Schematics 1 Did you perform the Diagnostic - Go to Step 2 Go to 2 1. Disconnect the navigation antenna coax connector from the 2. Disconnect the navigation antenna from the vehicle 3. Measure the resistance from the center conductor of the coax to Does the meter read out of limits? NOTE: Using a DMM to measure the resistance IMPORTANT: Vehicle may be equipped with sectioned - Go to Step 3 Go to Step 4 3 Measure the resistance of the 1 ohms Go to Step 4 Go to Step 5
2007 Hummer H3 2007 ACCESSORIES AND EQUIPMENT Cellular, Entertainment and Navigation - H3
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