2023 RAM PROMASTER auxiliary battery

GETTING TO KNOW YOUR VEHICLE47
POWER INVERTER — IF EQUIPPED
There is a 115 Volt, 150 Watt inverter outlet
located on the instrument panel, to the right of
the radio, to convert DC current to AC current.
This outlet can power cellular phones, electronics
and other low power devices requiring power up to
150 Watts. Certain game consoles will exceed this
power limit, as will most power tools.

Power Inverter Location
To turn on the power inverter outlet, simply plug in
the device. The outlet automatically turns off when
the device is unplugged.

The power inverter is designed with built-in overload
protection. If the power rating of 150 Watts is
exceeded, the power inverter will automatically shut
down. Once the electrical device has been removed
from the outlet the inverter should automatically reset.
To avoid overloading the circuit, check the power
ratings on electrical devices prior to using the inverter.

AUXILIARY SWITCHES — IF EQUIPPED
Your vehicle may be equipped with two auxiliary
switches located on the instrument panel to the
left of the steering column which can be used to
power various electronic devices. Connections to
the switches are found in the right central pillar
fuse panel at the base of the passenger side
B-pillar.

Auxiliary Switches

Auxiliary Switch 1 is configured to constant battery
feed, while Auxiliary Switch 2 is configured to
ignition feed.
For further information on using the auxiliary
switches, please refer to the Ram Body Builder’s
Guide by accessing
www.rambodybuilder.com
and choosing the appropriate links.

After the use of high power draw accessories, or
long periods of the vehicle not being started (with
accessories still plugged in), the vehicle must be
driven a sufficient length of time to allow the
generator to recharge the vehicle's battery.

CAUTION!
WARNING!
To avoid serious injury or death:
Do not insert any objects into the receptacles.
Do not touch with wet hands.
Close the lid when not in use.
If this outlet is mishandled, it may cause an
electric shock and failure.
2

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SERVICING AND MAINTENANCE243
Right Central Pillar Fuses
The right central pillar fuse panel is located on the
interior side at the base of the passenger side
B-pillar.

Fuse Panel LocationFuse Panel

F53
7.5 Amp Brown +30 (IPC) + Keyless – GO / Passive Entry / Brake NO / EPB SW
F94 15 Amp Blue Not Used
CavityMini Fuse Description
CavityMini Fuse Description
* If Equipped
F81 7.5 Amp BrownSeat Heater
F82 30 Amp GreenInverter Power Outlet
F83 20 Amp YellowRear Left Windows Heater
F84 20 Amp YellowRear Right Windows Heater
F86 20 Amp YellowAuxiliary Switch (From Battery) *
F87 20 Amp YellowAuxiliary Switch (From Ignition) *8

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283
INDEX
A
Active Driving Assist....................................... 100Active Speed Limiter........................................ 86Adaptive Cruise Control (ACC)
(Cruise Control)................................................ 87Adding Engine Coolant (Antifreeze)............... 233Adding Washing Fluid.................................... 226Additives, Fuel............................................... 271Air Bag........................................................... 179Air Bag Operation...................................... 180Air Bag Warning Light................................ 178Enhanced Accident Response...................220Event Data Recorder (EDR)....................... 220If Deployment Occurs................................ 183Maintaining Your Air Bag System.............. 184Maintenance............................................. 184Side Air Bags............................................. 180Transporting Pets...................................... 190Air Bag Light..................................65, 178, 190Air Cleaner, Engine (Engine Air
Cleaner Filter)...................................... 228, 229Air Conditioner Maintenance......................... 229Air Conditioner Refrigerant.................. 229, 230Air Conditioner System.................................. 229Air Conditioning Filter............................. 43, 230Air Conditioning, Operating Tips................ 43, 44
Air Filter........................................................ 228Air PressureTires......................................................... 256AlarmSecurity Alarm...................................... 20, 68Alarm SystemSecurity Alarm............................................. 20Alterations/ModificationsVehicle........................................................... 8Antifreeze (Engine Coolant)................. 233, 273Disposal................................................... 234Anti-Lock Brake System (ABS)...................... 152Anti-Lock Warning Light................................... 68Assist, Hill Start............................................. 155Audio Systems (Radio).................................. 133Auto Down Power Windows............................. 49Auto Up Power Windows.................................. 49Automatic Door Locks...................................... 23Automatic Headlights....................................... 34Automatic High Beams.................................... 34Automatic Transmission.........................81, 236Adding Fluid.............................................. 236Fluid And Filter Change............................ 236Fluid Change............................................ 236Fluid Level Check..................................... 236
Fluid Type........................................ 236, 274Special Additives...................................... 236AUX Cord..........................................................45Auxiliary Driving Systems.............................. 158
B
Base / Midline Instrument Cluster
S
............53Battery................................................... 66, 227Charging System Light.................................66Keyless Key Fob Replacement....................14Belts, Seat.................................................... 190Blind Spot Monitoring................................... 158Body Builders Guide........................................... 8Body Mechanism Lubrication........................ 231B-Pillar Location............................................ 253Brake Assist System..................................... 153Brake Control System, Electronic.................. 153Brake Fluid........................................... 235, 274Brake System....................................... 235, 269Anti-Lock (ABS)......................................... 152Fluid Check............................................... 235Master Cylinder........................................ 235Parking........................................................78Warning Light...............................................6611

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