JLG 20VP (3120728) Service Manual - Manual (Page 79)

SECTION 3 - TROUBLESHOOTING
3120728 – JLG Lift – 3-19
13. Check voltage on the Red/Blk wire at the MC-1 box, X102 connec-
tor, pin 15, to the Platform Control.
24 volts Go to Step 14
Replace MC-1
Box
14. Check for Ground on the BRN wire at the MC-1 box, X102 connector,
pin 1, to the Platform Control.
Ground Go to Step 15
Replace MC-1
Box
15. Check voltage on the Red/Blk wire, pin 9 on the Platform Control
box.
24 volts Go to Step 16 Replace Cable
16. Check for Ground on the BRN wire, pin 8 on the Platform Control
box.
Ground
Replace Platform
Control
Replace Cable
Table 3-5. No Power At Platform Control.