HARNESS 4700780 - Caterpillar

Illustration 1 g01661258
Rear and Bottom view of the monitor
(1) Two 12-pin connectors The following table shows the pin numbers of the instrument cluster connectors. The signal on each pin is also shown.
Table 1
Connector 1 Function
1 +Battery Unswitched
2 -Battery
3 STB - Keyswitch
4 STB - Backlight On
5 STB - Generic Input #1
6 STB - Location 1
7 STB - Location 2
8 Action Alarm Driver
9 CAN 1 +Term
10 CAN 1 -Term
11 CAN 1 High
12 CAN 1 Low
Connector 2 Function
1 N/C
2 STB - Generic Input #2
3 STB - Generic Input #3
4 STB - Generic Input #4
5 STB - Location 3 - Status A
6 STB - Location 4 - Status A
7 Cat Data Link (CDL) +
8 Cat Data Link (CDL) -
9 CAN 2 +Term
10 CAN 2 -Term
11 CAN 2 High
12 CAN 2 Low