Wheels/Vehicle Underbody Component Views. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 2WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Wheels/Vehicle Underbody Component Views

Figure 1:

Front Frame and Underbody Components - 1 of 2


(1)	Wheel Speed Sensor (WSS) - Right Front (JL4/JF3/JF7/JH6/JH7)
(2)	Chassis
(3)	Wheel Speed Sensor (WSS) - Left Front (JL4/JF3/JF7/JH6/JH7)

Figure 2:

Front Frame and Underbody Components - 2 of 2


(1)	Frame
(2)	X110 (NQF/NQG/NQH/NP2)
(3)	Front Axle Housing
(4)	Front Drive Axle Actuator (NQF/NQG/NQH)

Figure 3:

Left Side Frame and Underbody Components (Gas with LY6)


(1)	Fuel Pump and Sender Assembly - Rear
(2)	Fuel Pump and Sender Assembly - Front
(3)	Fuel Pump Relay - Secondary

Figure 4:

Left Side Frame and Underbody Components (Except HP2)


(1)	Fuel Tank Pressure (FTP) Sensor (Gas)
(2)	Fuel Tank
(3)	Evaporative Emissions (EVAP) Canister
(4)	Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (Gas)
(5)	Electronic Brake Control Module (EBCM) (JL4/JF3/JF7/JH6/JH7)
(6)	Fuel Pressure Sensor (Gas except 4.3L/LMG/LY6/LC9)
(7)	Chassis
(8)	Fuel Pump and Sender Assembly - Front (Gas)

Figure 5:

Lift Side Frame and Underbody Components (HP2)


(1)	Fuel Tank Pressure (FTP) Sensor
(2)	Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
(3)	Fuel Pump and Sender Assembly - Front
(4)	Fuel Pump
(5)	Fuel Tank
(6)	Electronic Brake Control Module (EBCM)

Figure 6:

Left Side Frame and Underbody Components (Diesel)


(1)	Fuel Level Sensor - Secondary (31 Series without NQZ)
(2)	Fuel Pump (31 Series without NQZ)
(3)	Fuel Level Sensor - Primary

Figure 7:

Right Side Frame and Underbody Components (Diesel)


(1)	Rear Frame Assembly
(2)	Exhaust Temperature Sensor 2
(3)	Exhaust Temperature Sensor 1
(4)	Exhaust Differential Sensor

Figure 8:

Left Rear Frame and Underbody Components - 1 of 3


(1)	X414 (UY2/8S3)
(2)	J420 (UY2)
(3)	Camper/Trailer Harness
(4)	J415 (UY2)
(5)	Chassis Harness
(6)	J416 (UY2)
(7)	J417 (UY2)
(8)	J414 (UY2)
(9)	J421 (UY2)
(10)	J410 (UY2)
(11)	Blunt Cut - Camper Trailer (UY2)
(12)	G401
(13)	Trailer Connector (except MEX/EXP)

Figure 9:

Left Rear Frame and Underbody Components - 1 of 2


(1)	Trailer Connector (UY7)
(2)	Chassis Harness
(3)	Camper/Trailer Harness
(4)	Camper Trailer Blunt Cuts (UY2)

Figure 10:

Left Rear Frame and Underbody Components - 2 of 2


(1)	Rear Bumper
(2)	Junction Block - Rear Lamps
(3)	Data Link Resistor
(4)	Trailer Connector (except MEX/EXP)

Figure 11:

Rear Fram and Underbody Components (10 Series)


(1)	Trailer Brake Control Relay (JL1)
(2)	Trailer Brake Control Module (JL1)
(3)	Trailer Connector (Except MEX/EXP)
(4)	Fuel Pump Flow Control Module
(5)	Data Link Resistor (Except LU3/LY6)

Figure 12:

Rear Frame and Underbody Components (20/30 Series)


(1)	Trailer Connector (except MEX/EXP)
(2)	Trailer Brake Control Module (JL1)
(3)	Trailer Brake Control Relay (JL1)

Figure 13:

Rear Frame and Underbody Components (31 Series)


(1)	Trailer Brake Control Relay
(2)	Trailer Brake Control Module

Figure 14:

Rear Frame and Underbody Components (JL4)


(1)	Wheel Speed Sensor (WSS) - Left Rear
(2)	Wheel Speed Sensor (WSS) - Right Rear