LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1985 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis >> Electrical >> Component Locations >> Electrical Component Locator >> Sending Units/Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Sending Units/Sensor

SENDING UNITS/SENSOR LOCATION

Component Location
Coolant Sensor On front of engine.
Detonation Sensor On lower left side of engine block behind starter.
Fuel Gauge Sending Unit On top of fuel tank.
Oil Pressure Sensor (4.1L) On engine above starter.
Oil Pressure Sensor (5.0 & 5.7L) Behind distributor.
Oil Pressure Sensor (6.2L) Or upper front of engine.
Oxygen Sensor (6-Cyl.) In front exhaust pipe. See Figure.
Oxygen Sensor (V8) Or exhaust manifold. See Figure.
Throttle Position Sensor On carburetor. See Figure.
Vacuum Sensor On firewall. See Figure.
Vehicle Speed Sensor Under left side of dash.