Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 307 (ENTERTAINMENT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESRADIO POOR RECEPTIONANTENNA SYSTEM TEST
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Antenna System Test
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Antenna System Test
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Important:Β Always zero out the DMM before taking a resistance measurement in order to ensure an accurate reading.
- Disconnect the negative battery cable.
- Disconnect the antenna lead-in connector from the radio receiver.
- Measure the resistance from the negative battery cable to the coax outer conductor connector.
- The resistance measured should be 0.20 Ξ© or less.
- Test the following when the resistance is greater than 0.20 Ξ©.
- Base of the antenna for a poor connection to body ground.
- The coaxial cable interconnects for a poor connection or corrosion.
- Test for an open or high resistance from the battery negative cable to the body.
- After finding and correcting the condition, operate the system in order to verify the repair.
Perform the Antenna Checking Procedures after confirming the integrity of the antenna ground.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.