T100 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1997)
Standard voltage:
12.5 - 12.9 V at 20° C (68° F)
If the voltage is less than specification, charge the battery.
HINT: Check the indicator as shown in illustration.
4. CHECK BATTERY TERMINALS, FUSIBLE LINK AND FUSES
a. Check that the battery terminals are not loose or corroded.
b. Check the fusible link and fuses for continuity.