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Electrical Component Locator: Switches

SWITCHES LOCATION

Component Location
A/C Clutch Cycling Press. Switch On rear of accumulator.
A/C High Pressure Cut-Out Switch On rear of compressor.
Aux. Cooling Fan Press. Switch On right side of engine block, above starter.
Backup Light Switch (A/T) At base of steering column.
Brake Pressure Warning Switch On proportioning valve, at left frame rail.
Cold Advance Fast Idle Temp. Switch On rear of right cylinder head.
Cold Advance Glow Plug Inhibit Relay On right side of firewall.
Coolant Temperature Switch In left cylinder head.
Engine Temperature Switch On rear of right cylinder head.
Flow Switch Near power steering pump.
Fuel Pump/Oil Press. Switch Near distributor.
Low Coolant Warning Switch On right side of radiator.
Neutral Safety Switch On lower steering column.
Oil Pressure Switch
"G" Series 4.3L (VIN Z) On top rear of engine. See Figure.
"P" Series 4.3L (VIN Z) On top rear of engine. See Figure.
5.0L (VIN H) & 5.7L (VIN K) On top rear of engine. See Figure.
"P" Series 5.7L (VIN K) On top rear of engine. See Figure.
"G" Series 7.4L (VIN N) On top rear of engine. See Figure.
"P" Series 7.4L (VIN N) On top rear of engine. See Figure.
Stoplight Switch On brake pedal bracket.