GMC 2003 C4C042 Owner's Manual page 91

Engine Starter Over-Crank Protection
(If Equipped)
Your vehicle may have an engine starter over
protection system. If the starter motor overheats and
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shuts off due to over cranking, the motor must cool
down before it will reset and allow starter operation.
It can take up to six minutes before the starter will
work again.
Starting Your Gasoline Engine
Engines start differently. The 8th digit of your Vehicle
Identification Number (VIN) shows the code letter for
your engine. See "Vehicle Identification Number" in
the Index. Follow the proper steps to start the engine.
To start a diesel engine, see "Starting Your Diesel
Engine" in the Index.
Automatic Transmission
Set the parking brake and move your shift lever to
NEUTRAL (N) or PARK (P) if so equipped. Your
engine won't start in any other position
safety feature.
2-16
Manual Transmission
Set the parking brake, shift to neutral and hold the clutch
pedal to the floor while starting the engine.
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crank
Starter Motor Operation
D
The starter motor will disengage if you release
the key or the engine reaches a predetermined
engine speed.
D
To prevent overheating, the starter motor will
disengage after continuously operating for
15 seconds. You must release the key from the
start position to re
D
The starter motor will not engage if the engine is
already running.
D
The starter motor will disengage if, after
two seconds, the starter pinion gear does not
engage the flywheel or there is no engine rpm
signal from the engine speed sensor.
--
that's a
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engage the starter.