Great Plains VARIABLE RATE KIT Operator Manual - Manual (Page 14)

14 Air Drill Variable Rate Kit Front Parts Great Plains Mfg., Inc.
166-263M Front Parts 6/23/2010
Install Master Switch
Refer to Figure 21 and Figure 22
69. In the tractor cab, locate the master switch connec-
tion lead . On newer air carts and all air drills, this
is an un-terminated 2-pin weatherpak connector.
On older air carts, this lead may already have a
master switch connected to it. If so, continue at
“ACC Re-Configuration” on page 15.
Refer to Figure 21 and Figure 22
70. Select one new:
467980124 ISO MASTER SWITCH
Set the switch to OFF.
71. Mount the switch near the monitor virtual terminal,
allowing enough cable length to reach the harness
connection located at step 69. Mount the switch
where it will be convenient for operations, but not
obstruct your view of the road.
72. Connect the 2-pin lead of the switch to harness
lead .
Figure 21
Cab Harness Connection
29514
6
19
6
Figure 22
Master Switch
29505
7
19
19
7
6