Midtronics GR8-1200 OEM, Instruction Manual

Page: 41 / 54

GR8-1200 OEM
Midtronics Inc. 7000 Monroe Street Willowbrook, IL 60527 www.midtronics.com 41
Starter Circuit
The Starter Circuit Test measures the voltage drop of the
starter circuit.
1. SELECT CIRCUIT: Use the U P/ DOWN ARROW S or the nu-
merical keypad to select STARTER CIRCUIT.
1 BATTERY GROUND
2 STARTER CIRCUIT
3 ALT CIRCUIT
4 OTHER
Press the NE X T soft key to continue.
2. SET AMPS: Use the U P/ DOWN ARROW S or the keypad to
select the rated amperage of the starter circuit. The de-
fault is 150 A.
Press the NE X T soft key to continue.
3. Connect the positive (+) clamp of the battery test leads to
the starter’s battery terminal stud. Connect the negative
(–) clamp to the starter’s housing.
4. Connect the positive (+) DMM clamp to the battery’s posi-
tive (+) post. Connect the negative clamp (–) to the bat-
tery’s (–) negative post.
For the next few seconds the GR8 will display the word TESTING
and a stopwatch while it evaluates the battery ground.
Starter Circuit Test Results
If there is a problem, the decision is CLEAN AND RETEST OR
REPLACE. To print the results, select the
P RINT soft key. To
return to the Main Menu, press the END key.
Alternator Circuit
The Alternator Circuit Test measures the voltage drop of the
alternator circuit.
1. SELECT CIRCUIT: Use the U P/ DOWN ARROW S or the nu-
merical keypad to select ALT CIRCUIT.
1 BATTERY GROUND
2 STARTER CIRCUIT
3 ALT CIRCUIT
4 OTHER
Press the NE X T soft key to continue.
2. SET AMPS: Use the U P/ DOWN ARROW S or the keypad to
select the rated amperage of the alternator circuit. The
default is 80 A.
Press the NE X T soft key to continue.
3. Connect the positive (+) clamp of the battery test leads to
the alternator’s output stud (B+). Connect the negative (–)
clamp to the alternator’s housing.
4. Connect the positive (+) DMM clamp to the battery’s posi-
tive (+) post. Connect the negative clamp (–) to the bat-
tery’s (–) negative post.
For the next few seconds the GR8 will display the word TESTING
and a stopwatch while it evaluates the battery ground.
Alternator Circuit Test Results
If there is a problem, the decision is CLEAN AND RETEST OR
REPLACE. To print the results, select the
P RINT soft key. To
return to the Main Menu, press the END key.
Midtronics Inc. 7000 Monroe Street Willowbrook, IL 60527 www.midtronics.com
Chapter 13: Cable Drop Test