Palfinger ILP 25, Owner'S Manual

Page: 29 / 35

ILP 25/33
Owner’s Manual
Rev.1.4 29
8.5
Cross Test on Single Pole Plug Charge System
Testing of full system using a battery load tester. Start with testing each individual battery on both tractor
and trailer before proceeding to check the system:
A. 12V lead from tractor coil cord
B. Center (+) plug on front of trailer
C. Trailer Ground on front of trailer
D. Tractor chassis ground
A
+ - + -
+ - + -
C
B
C
B
B C
D
C B
1. Tractor Test:

Ground battery load tester on tractor chassis point (D)

Connect positive load tester cable on positive pole of single pole plug at end of tractor coil
cord (A)

Run load test- This will test entire circuit on tractor including ground
2. Trailer Test:

Ground battery load tester on trailer chassis point (C)

Connect positive cable on positive pole of single pole plug receptacle on trailer (B).

Run load test- This will test entire circuit on tractor including circuit breakers and ground
between trailer batteries and trailer chassis.
3. Tractor and Trailer Charging system test while connected:

Ground battery load tester on tractor chassis point (D)

Connect positive cable on positive pole of single pole plug receptacle on trailer (B).

Run load test- This will test entire circuit on tractor and trailer including ground between
tractor, trailer, and circuit breaker on trailer.
A simple low amp voltage test at the front of the trailer or at the tractor will not show insufficient connections
or ground problems.