Skyhawk L4-121 2.0L Turbo VIN M FI (1987)
4.
With engine running at 2,000 RPM, turn on high beam headlights and place heater fan control switch in the HI position.
5.
Check ammeter reading. If reading is less than 30 amps, repair alternator.
Buick Workshop Service and Repair Manuals
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