BT83.40-P-0001-01A | Auxiliary fan control module replaced by new module | |
MODEL WDB129.### #F as of 1.6.96 with CODE (581a) Air conditioning (Automatic)
P83.40-0388-12
The ballast resistor for auxiliary blower for control of the auxiliary blower (M4) will be replaced by the auxiliary blower control module (N65/1) on all engines installed as of 06/96.
Control is accomplished directly by the auxiliary blower control module (N65/1).