JLG 15/20MSP Service Manual - Manual (Page 171)

SECTION 6 - TROUBLESHOOTING
3121231 – JLG Lift – 6-51
Figure 6-3. Electrical Diagram. (MVL/MSP)
1870202_F
REV. E: AUSTRALIA ONLY - R emoved platform module keyswitch
(C3 connector) and replaced ground module key switch with
non-keyed switch.