Diesel Data: Automotive Repair

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. (24) located in the fuse block)
^ to hazard switch terminal (2)
^ through terminal (1) of the hazard switch
^ to flasher module terminal (a)
^ through terminal (c) of the flasher module
^ to turn signal switch terminal (1).
Ground is supplied to flasher module terminal (b) through body grounds (M51), (M76) and (M77).

LH Turn
When the turn signal switch is moved to the LH position, power is supplied from turn signal switch terminal (3) to
^ front turn signal lamp LH terminal (a)
^ rear combination lamp LH terminal (e)
^ combination meter terminal (30), and
^ if equipped with head-up display system, combination meter terminal (63).
Ground is supplied to the front turn signal lamp LH terminal (b) through body grounds (E12) and (E37).
Ground is supplied to the rear combination lamp LH terminal (f) through body ground (T7).
Ground is supplied to combination meter terminal (27) through body grounds (M51), (M76) and (M77). If equipped with head-up display system, ground is also supplied to combination meter terminal (49) through the same body grounds.
With power and grounds supplied, the flasher module controls the flashing of the LH turn signal lamps.

RH Turn
When the turn signal switch is moved to the RH position, power is supplied from turn signal switch terminal (2) to
^ front turn signal lamp RH terminal (a)
^ rear combination lamp RH terminal (e)
^ combination meter terminal (26), and
^ if equipped with head-up display system, combination meter terminal (62).
Ground is supplied to the front turn signal lamp RH terminal (b) through body grounds (E12) and (E37).
Ground is supplied to the rear combination lamp RH terminal (f) through body ground (T7).
Ground is supplied to combination meter terminal (27) through body grounds (M51), (M76) and (M77). If equipped with head-up display system, ground is also supplied to combination meter terminal (49) through the same body grounds.
With power and grounded supplied, the flasher module controls the flashing of the RH turn signal lamps.