MTD 188 Professional Shop Manual page 22

ELECTRICAL SYSTEM
4. Attach an alligator clip on to a piece of wire, at
least 12" in length.
5. Solder the piece of wire onto one of the other
two pins on the variable resistor. See Figure
2.38.
Alligator clip
Female spade
Fuse holder
Figure 2.38
10K potentiometer
18
Testing the battery indicator
NOTE: The battery pack should be fully charged
to test the battery indicator.
1. Disconnect the charger from the mower.
2. Remove the motor cover by following the steps
described in Chapter 3: Repair Procedures.
3. Unplug the wires from the battery indicator.
NOTE: The wire connectors are two different
sizes to help prevent getting them crossed when
plugging them in. See Figure 2.39.
Small tab is positive
Big tab is negative
Figure 2.39
4. Disconnect the battery pack.
5. Attach the spade end of the tester to the positive
tab of the indicator.
6. Attach the other end of the tester to the positive
post of the battery pack.
7. Attach one end of the jumper wire to the nega-
tive tab of the indicator and the other end to the
negative post of the battery pack.