IPA Tools 9007A Smart MUTT Head - Manual (Page 7)

7
ELECTRICAL TESTING
1. CABLE TESTING: It is always recommended to use the cable tester to verify that
the MUTT ® ’s 7 round pin cable used is in proper working order
before trailer testing. To perform Cable Test insert both ends of the 7 pin
cable one in each receptacle on the MUTT’s side. Once the cable is installed, turn
the MUTT ® ON to verify the continuity between both ends of the cable. Look for the
solid green light verifying Ground Integrity and note if there are any green circuit
LEDs blinking. Note that each circuit is tested upon start up as well as ground fault
check. Solid LEDs mean Good connection, Blinking LEDs indicate an open circuit
or poor continuity. The cable tester can also be used to inspect all trailer cables.
2. GROUND INTEGRITY: When the MUTT ® is first turned on, Ground Integrity and
Open Circuit checks are being performed. The green lights around the Control
Knob will blink and disappear one at a time until only the Ground Integrity light
remains solid green. When all the lights blink, it indicates a poor cable connection
or bad ground. Individual blinking lights indicate an open circuit.
(Refer to pg. 11, #9)
3. CIRCUIT PROBLEM INDICATION: As you turn the MUTT ® Control Knob to test
each circuit, a steady green light verifies a properly working circuit. Refer to the
three red LEDs to the left of the Control Knob for circuit problem indication. These
LEDs will blink and the MUTT ® will sound if there is a problem.
4. LOW DRAW LED TRAILERS: The MUTT ® will identify any circuit drawing less
than 100 mA as an open circuit. The trailer must have a minimum of two standard
LED Pods on each circuit. ABS circuits using ABS computers are typically within
the threshold and do not require additional load.
5. CIRCUIT SELECTION: Circuits can be selected by pressing the Control Knob
for “Auto Cycle Mode”, manually turning the Control Knob or by using the remote
control.
6. ALL CIRCUITS ON: All circuits can be turned on at one time by pressing/holding
the large remote button for 5 seconds. To cancel, press and release large button
on remote.
QUICK REFERENCE GUIDE
OPERATION AND TESTING