LIGHT ELECTRICAL CIRCUITS

TM 5-2420-222-20-1

LIGHT ELECTRICAL CIRCUITS - CONTINUED

FRONT LIGHTS (2)

Positive terminals connected by wires to light switch HD terminal.

Negative terminals grounded to housings.

Light up area in front of loader backhoe for earthmoving operations at night when light switch lever is in second

(F), third (H1), or fourth (H2) position.

DASH LIGHT

Positive terminal connected by wire to light switch HD terminal.

Grounded to dash through housing.

Lights up dash to allow operator to read instruments during operations at night when light switch lever is in second

(F), third (H1), or fourth (H2) position.

BRAKE LIGHT PRESSURE SWITCHES (2)

Positive terminals connected by wire to ignition lock switch ACC terminal.

Negative terminals connected by wire to stoplight circuit of combination tail and stoplights.

Sense pressure increase when brakes are applied, closing electrical contacts to complete stoplight circuit.

Light stoplight lamps in combination tail and stoplights when ignition lock switch is on and brakes are applied.

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