Hazard Warning Lamps: Description and Operation

TURN SIGNAL OPERATION
With the hazard switch in the OFF position and the ignition switch in the ON or START position, power is supplied:
^ through 10 A fuse (No. 10, located in the fuse block)
^ to hazard switch terminal (8)
^ through terminal (7) of the hazard switch
^ to combination flasher unit terminal (1)
^ through terminal (3) of the combination flasher unit
^ to turn signal switch terminal (5).
Ground is supplied to combination flasher unit terminal (2) through body grounds (M49), (M105) and (M160)

LH turn
With the turn signal switch in the LH position, power is supplied from turn signal switch terminal (3) to:
^ front turn signal lamp LH terminal (2)
^ rear combination lamp LH terminal (2), and
^ combination meter terminal (9).
Ground is supplied:
^ to front turn signal lamp LH terminal (1), and
^ to combination meter terminal (42)
^ through body grounds (M49), (M105) and (M160).
Ground is supplied to rear combination lamp LH terminal (6) through body ground (M177)
With power and ground supplied, the combination flasher unit controls the flashing of the LH turn signal lamps.

RH turn
With the turn signal switch in the RH position, power is supplied from turn signal switch terminal (6) to:
^ front turn signal lamp RH terminal (2)
^ rear combination lamp RH terminal (2), and
^ combination meter terminal (35)
Ground is supplied:
^ to front turn signal lamp RH terminal (1), and
^ to combination meter terminal (42)
^ through body grounds (M49), (M105) and (M160).
Ground is supplied to rear combination lamp LH terminal (6) through body ground (M177)
With power and ground supplied, the combination flasher unit controls the flashing of the RH turn signal lamps.

HAZARD LAMP OPERATION
Power is supplied at all times to hazard switch terminal (2) through:
^ 10 A fuse (No. 18, located in the fuse block).
With the hazard switch in the ON position, power is supplied:
^ through terminal (7) of the hazard switch
^ to combination flasher unit terminal (1)
^ through terminal (3) of the combination flasher unit
^ to hazard switch terminal (1).
Ground is supplied to combination flasher unit terminal (2) through body grounds (M49), (M105) and (M160)
Power is supplied through terminal (3) of the hazard switch to
^ front turn signal lamp LH terminal (2)
^ rear combination lamp LH terminal (2), and
^ combination meter terminal (9).
Power is supplied through terminal (4) of the hazard switch to
^ front turn signal lamp RH terminal (2)
^ rear combination lamp RH terminal (2), and
^ combination meter terminal (35).
Ground is supplied:
^ to terminal (1) of the front turn signal lamps, and
^ to combination meter terminal (42)
^ through body grounds (M49), (M105) and (M160).
Ground is supplied to rear combination lamps terminal (6) through body ground (M177).
With power and ground supplied, the combination flasher unit controls the flashing of the hazard warning lamps.