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Home >> Chevrolet >> 1985 >> Spectrum L4-91.5 1.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Service Precautions >> Electronic Component Replacement
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Electronic Component Replacement

1. Before servicing electronic components, ensure ignition is "OFF" and disconnect the battery ground.

NOTE: Before removing battery ground, access trouble codes. ECU memory will be erased if ground cable is removed.

Before connecting battery ground, ensure ignition is "OFF".

2. Fuel and Engine Control System wiring should be at least 4 inches away from ignition wires.