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Home >> GMC >> 1998 >> Yukon 2WD V8-5.7L VIN R >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Service Precautions >> Electronic Component Replacement

Electronic Component Replacement

NOTICE:
1. Before servicing electronic components, ensure ignition is "OFF" and disconnect the battery ground.
2. Before removing battery ground, access trouble codes. Vehicle Control Module memory will be erased if ground cable is removed.
3. Before connecting battery ground, ensure ignition is "OFF".
4. Fuel and Engine Control System wiring should be at least 4 inches away from ignition wires.