Engine Controls Schematic Icons. GMC Truck GMC K Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Engine Controls Schematic Icons

Icon	Icon Definition
	Refer to Electrostatic Discharge (ESD) Sensitive Devices in 8A-3 Symbols. Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
	Refer to ON Board Diagnostic II (OBD II) Symbols in 8A-3 Symbols. Notice: In order to prevent possible Electrostatic Discharge damage to the PCM, Do Not touch the connector pins or the soldered components on the circuit board.

Icon

Icon Definition

Refer to Electrostatic Discharge (ESD) Sensitive Devices in 8A-3 Symbols.

Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.

Refer to ON Board Diagnostic II (OBD II) Symbols in 8A-3 Symbols.

Notice: In order to prevent possible Electrostatic Discharge damage to the PCM, Do Not touch the connector pins or the soldered components on the circuit board.