Owner`s manual

Date: 7.5.2012

Version: 1.00

P7000-K Owner’s Manual

9. Measure the voltage from pin #4 to the white insulated

stud. (See figure #2 – V5) Should read battery voltage. If yes, continue to step 9. If no, replace or repair the

wire from the second stud on the five wire strip to the #4 pin.

10. With an ohmmeter or continuity tester, measure from pin #3 to the white insulated stud. (See figure #2 –

Ohm #2) It should read zero with the ohmmeter or hear the buzzer with the continuity tester. If yes, continue

to step 11. If no, replace or repair wire from the #3 pin to the white insulated stud.

11. With a voltmeter measure from the #2 pin of the four-pin connector to the white insulated stud. (See figure

#2 – V6) It should read liftgate battery voltage. If yes, the fuse cube is good and you need to go to the output

test of the troubleshooting guide. If no, check the fuse cube. (See figure #2 – arrow) If blown check the wire

to make sure it is not grounded. Then replace the fuse. Now move to the input session with a load

troubleshooting.

12. Plug in the four-pin Deutsch connector into the Trail Charger. (See picture #3) The green LED light on the Trail

Charger should illuminate. (See picture #4) If yes, input testing is completed and proceeds to the output

testing session. If the green LED light is not illuminated the Trail Charger is defective and should be replaced.

If the LED light on the Trail Charger is blinking green then red quickly and repeats, you have a voltage drop

issue caused by high resistance in either your power source/tractor or the wiring from the combo nose box to

the liftgate battery box. Repair or replace the defective component.

Troubleshooting the input (7-way aux pin) of the charging system

1. Unplug both the four-pin Deutsch connector and the six pin connector from the Trail Charger. (See picture #5)

2. Plug in the seven way cord from the tractor to the seven way nose box on the trailer. (See picture #6-A) If a

tractor is not available, utilize a battery with a charger connected to it with the charger turned on. (The

charger must have a minimum of 20 amps output and can provide an output voltage of 13.5 to 14.5 volts.)

3. The green LED light should illuminate. (See picture #6-B) If yes, skip to step 5. If no, continue to step 4.

4. Check the in-line 30 amp fuse in the blue power lead (inside the seven-way nose box) that connects to the

combo nose box. (See figure #3 – arrow) If the fuse is blown, check the leads to ensure they are not

grounded, and then replace the fuse. If the fuse is not blown, continue to step 5.

5. Measure the voltage between the seven-way receptacle aux (center) pin and the seven-way ground (top) pin.

(See figure #3 – V7) It should measure more than 13.3 volts. If yes, continue to step 6. If no, either the seven-

way receptacle or the power source being utilized is defective and needs to be repaired or replaced.

Figure #2

Ω2

Picture #3

Picture #4