ELECTRICAL 5 - 20
November 2007 GEM Service Manual
12-Volt Battery Only
All 2005 – Current Models
1. Block wheels, clear, and secure area in front
and around vehicle.
2. Set voltmeter to lowest scale above 15 volts.
3. Hook voltmeter to number 1 battery negative
and positive using correct polarity.
4. Set car to road and forward or high.
5. Depress and hold brake pedal solid. Release
emergency park brake handle.
6. While watching voltmeter, floor, and hold
accelerator down.
7. In about 5 seconds motor controller should cut
off power to motor.
8. Let up on accelerator pedal and record the
lowest reading observed on voltmeter at or
before cut-off.
9. Turn off key.
10. Repeat steps 3 through 9 for batteries
2 through 6.
The batteries recorded voltages should not drop
below 11.5 volts, and there should not be a
difference of more then 1/2 (0.5) of a volt between
any of the batteries or the low batteries will need to
be replaced.
WARNING: ALWAYS WEAR SAFETY GLASSES
OR APPROVED EYE PROTECTION WHEN
SERVICING THE VEHICLE. WEAR A FULL-
FACE SHIELD WHEN WORKING WITH
BATTERIES. ALWAYS USE INSULATED TOOLS
WHEN WORKING AROUND BATTERIES OR
ELECTRICAL CONNECTORS.
WARNING: BATTERY FLUID IS A CORROSIVE
ACID SOLUTION AND CAN BURN OR EVEN
BLIND YOU. DON'T ALLOW BATTERY FLUID
TO CONTACT EYES, SKIN OR CLOTHING. IF
ACID SPLASHES IN EYES OR ON THE SKIN,
FLUSH THE AREA IMMEDIATELY WITH LARGE
AMOUNTS OF WATER. BATTERY GAS IS
FLAMMABLE AND EXPLOSIVE. KEEP FLAME
OR SPARKS AWAY FROM THE BATTERY OR
ANY OTHER BOOSTER SOURCE WITH AN
OUTPUT GREATER THAN 12-VOLTS. DON'T
ALLOW CABLE CLAMPS TO TOUCH EACH
OTHER. BATTERY POSTS, TERMINALS AND
RELATED ACCESSORIES CONTAIN LEAD AND
LEAD COMPOUNDS. WASH HANDS AFTER
HANDLING.
CAUTION: It is essential when replacing the
cables on the battery that the positive cable is
attached to the positive post and the negative
cable is attached to the negative post. Battery
posts are marked positive (+) and negative (-)
and identified on the battery case. Cable clamps
should be tight on the terminal posts and free
of corrosion.
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