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.
Circuit/System Testing
2013 Chevrolet Equinox LS, AWD, GasSECTION Circuit/System Testing
- Ignition OFF, disconnect the radio antenna coax cable from the A11 Radio and from the T4G Cellular Phone, Navigation, and Digital Radio Antenna.
- Verify the antenna coax cable passes the coax cable component test. Refer to Component Testing.
- If the coax cable does not pass the test
Replace the antenna coax cable
- If the coax cable passes the test
- If the coax cable does not pass the test
- Connect the radio antenna coax cable to the A11 Radio.
- Ignition ON, A11 Radio ON. Verify a test lamp illuminates between the antenna coax cable center terminal and ground at the T4G Cellular Phone, Navigation, and Digital Radio Antenna.
- If the test lamp does not illuminate
replace the A11 Radio.
- If the test lamp illuminates
- If the test lamp does not illuminate
- Test or replace the T4G Cellular Phone, Navigation, and Digital Radio Antenna.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.