brake light RAM CHASSIS CAB 2012 Owner's Manual

The user interface consists of the following:
GAIN/ Brake Output Power Display
Shows the current GAIN setting.
This display may also be used to display diagnostic
information, if needed.
• SC — Short Circuit to Ground
• Sb — Short to Battery
• CF — Controller Fault – If this message appears on the
display, see your authorized dealer.
When the vehicle brakes are applied, the display will no
longer show GAIN and will change to the output to the
trailer brakes.
Manual Brake Control Lever
Slide the manual brake control lever to the right to
activate power to the trailer’s electric brakes independent
of the tow vehicle’s brakes. If the manual brake control lever is activated while the brake is also applied, the
greater of the two inputs determines the power sent to
the trailer brakes.
The trailer and the vehicle’s brake lamps will come on
when either vehicle braking or manual trailer brakes are
applied.
Trailer Brake Status Indicator Light
This light indicates the trailer electrical connection status.
If no electrical connection is detected after the ignition is
turned on, pressing the GAIN adjustment button or
sliding the manual brake control lever will display the
GAIN setting for 10 seconds and the “Trailer Brake Status
Indicator Light” will not be displayed.
If a fault is detected in the trailer wiring or the Integrated
Trailer Brake Module (ITBM), the “Trailer Brake Status
Indicator Light” will flash.
5 STARTING AND OPERATING 355

CAUTION!Connecting a trailer that is not compatible with the
ITBM system may result in reduced or complete loss
of trailer braking. There may be a increase in stop-
ping distance or trailer instability which could result
in damage to your vehicle, trailer, or other property.
WARNING!Connecting a trailer that is not compatible with the
ITBM system may result in reduced or complete loss
of trailer braking. There may be a increase in stop-
ping distance or trailer instability which could result
in personal injury. NOTE:
• An aftermarket controller may be available for use
with air trailer brake systems and other systems not
compatible with ITBM. To determine the type of
brakes on your trailer and the availability of control-
lers, check with your trailer manufacturer or dealer.
• Removal of the ITBM will cause errors and it may
cause damage to the electrical system and electronic
modules of the vehicle. See your authorized dealer if
an aftermarket module is to be installed.
Towing Requirements – Trailer Lights And Wiring
Whenever you pull a trailer, regardless of the trailer size,
stop lights and turn signals on the trailer are required for
motoring safety.
NOTE: Do not cut or splice wiring into the vehicle’s
wiring harness.
5 STARTING AND OPERATING 359

CAUTION!It is necessary to follow these steps to be certain that
the transfer case is fully in NEUTRAL before recre-
ational towing to prevent damage to internal parts.
1. Bring the vehicle to a complete stop. Shift automatic
transmission into PARK.
2. Turn OFF the engine.
3. Turn the ignition switch to the ON/RUN position, but
do not start the engine.
4. Press and hold the brake pedal.
5. Shift the transmission into NEUTRAL.
6. Press and hold the transfer case NEUTRAL button
(located by the selector switch). The NEUTRAL indicator light will blink while the shift is in progress. The light
will stop blinking (stay on solid) when the shift to
NEUTRAL is complete.
7. After the shift is completed and the NEUTRAL light
stays on, release the NEUTRAL button.
8. Start the engine.
9. Shift the transmission into REVERSE.
10. Release the brake pedal for five seconds and ensure
that there is no vehicle movement.
11. Repeat steps 9 and 10 with transmission in DRIVE.
12. Turn OFF the engine.
13. Firmly apply the parking brake.
14. Shift the transmission into PARK.
5 STARTING AND OPERATING 371

CAUTION!Damage to the transmission may occur if the trans-
mission is shifted into PARK with the transfer case in
NEUTRAL and the engine running. With the transfer
case in NEUTRAL, ensure that the engine is OFF
prior to shifting the transmission into PARK.
15. Remove the key fob from the ignition switch.
16. Attach the vehicle to the tow vehicle using a suitable
tow bar.
17. Release the parking brake.
NOTE:
• The transfer case cannot be shifted into NEUTRAL
from the 4WD AUTO (if equipped) position. • Steps 1 through 5 are requirements that must be met
prior to pressing the NEUTRAL button, and must
continue to be met until the shift has been completed.
If any of these requirements are not met prior to
pressing the NEUTRAL button or are no longer met
during the shift, the NEUTRAL indicator light will
flash continuously until all requirements are met or
until the NEUTRAL button is released.
• The ignition switch must be in the ON/RUN position
for a shift to take place and for the position indicator
lights to be operable. If the ignition switch is not in the
ON/RUN position, the shift will not take place and no
position indicator lights will be on or flashing.
• A flashing NEUTRAL indicator light indicates that
shift requirements have not been met.372 STARTING AND OPERATING

Shifting Out Of NEUTRAL – Electronic Shift
Transfer Case (If Equipped)
Use the following procedure to prepare your vehicle for
normal usage:
1. Bring the vehicle to a complete stop, leaving it con-
nected to the tow vehicle.
2. Firmly apply the parking brake.
3. Turn the ignition switch to the ON/RUN position, but
do not start the engine.
4. Press and hold the brake pedal.
5. Shift the transmission into NEUTRAL.
6. Press and hold the transfer case NEUTRAL button
(located by the selector switch) until the NEUTRAL
indicator light turns off.
7. After the NEUTRAL indicator light turns off, release
the NEUTRAL button. 8. After the NEUTRAL button has been released, the
transfer case will shift to the position indicated by the
selector switch.
NOTE: When shifting out of transfer case NEUTRAL,
turning the engine OFF may be required to avoid gear
clash.
9. Shift the transmission into PARK.
10. Release the brake pedal.
11. Disconnect vehicle from the tow vehicle.
12. Start the engine.
13. Press and hold the brake pedal.
14. Release the parking brake.
15. Shift the transmission into gear, release the brake
pedal, and check that the vehicle operates normally.
5 STARTING AND OPERATING 373

Preparations For Jump-Start
The battery in your vehicle is located in the front of the
engine compartment, behind the left headlight assembly.
NOTE: The positive battery post is covered with a
protective cap. Lift up on the cap to gain access to the
positive battery post. WARNING!• Take care to avoid the radiator cooling fan when-
ever the hood is raised. It can start anytime the
ignition switch is on. You can be injured by
moving fan blades.
• Remove any metal jewelry such as watch bands or
bracelets that might make an inadvertent electrical
contact. You could be seriously injured.
• Batteries contain sulfuric acid that can burn your
skin or eyes and generate hydrogen gas which is
flammable and explosive. Keep open flames or
sparks away from the battery.
1. Set the parking brake, shift the automatic transmission
into PARK and turn the ignition to LOCK.
2. Turn off the heater, radio, and all unnecessary electri-
cal accessories.Positive Battery Post
6 WHAT TO DO IN EMERGENCIES 389

Once A Month
• Check tire pressure and look for unusual wear or
damage.
• Inspect the battery and clean and tighten the terminals
as required.
• Check the fluid levels of coolant reservoir, brake
master cylinder, power steering and transmission and
add as needed.
• Check all lights and other electrical items for correct
operation. At Each Oil Change
• Change the engine oil filter.
• Inspect the brake hoses and lines.
CAUTION!Failure to perform the required maintenance items
may result in damage to the vehicle.
Required Maintenance Intervals
Refer to the Maintenance Schedules on the following
pages for the required maintenance intervals.
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S 456 MAINTENANCE SCHEDULES

Automatic Transmission
Adding Fluid ....................... 429
Fluid and Filter Changes ............... 430
Fluid Level Check ................. 427,428
Fluid Type ...................... 427,451
Shifting ........................... 278
Special Additives ..................... 428
Axle Fluid ....................... 425,426,451
Axle Lubrication (Axle Fluid) ............ 425,426
B-Pillar Location ........................ 314
Battery ............................... 409
Keyless Transmitter Replacement (RKE) ..... 25
Saving Feature (Protection) .............. 152
Belts, Seat ............................ 39,79
Body Builders Guide ....................... 6
Body Mechanism Lubrication ............... 412
Brake Fluid ......................... 423,451 Brake System ........................ 306,423
Anti-Lock (ABS) ..................... 307
Fluid Check ........................ 423
Master Cylinder ..................... 423
Parking ........................... 304
Warning Light ....................... 197
Brake/Transmission Interlock ............... 278
Bulb Replacement ....................... 443
Bulbs, Light .......................... 81,442
Cab Top Clearance Lights .................. 447
Calibration, Compass ..................... 215
Capacities, Antifreeze (Engine Coolant) ........ 449
Capacities, Fluid ........................ 449
Caps, Filler
Oil (Engine) ........................ 407
Power Steering ...................... 303
Radiator (Coolant Pressure) ............. 419
Car Washes ............................ 431
10 INDEX 483

Drain, Flush, and Refill ................ 417
Inspection .......................... 420
Points to Remember .................. 422
Pressure Cap ........................ 419
Radiator Cap ....................... 419
Selection of Coolant (Antifreeze) ....... 418,450
Cupholders ............................ 172
Customer Assistance ..................... 473
Data Recorder, Event ...................... 63
Daytime Running Lights ................... 153
Dealer Service .......................... 405
Defroster, Rear Window ................... 180
Defroster, Windshield ................ 80,258,264
Delay (Intermittent) Wipers ................. 155
Differential, Limited-Slip .................. 298
Dipsticks
Automatic Transmission ................ 428
Power Steering ...................... 303 Disabled Vehicle Towing ................... 395
Disposal
Antifreeze (Engine Coolant) ............. 420
Door Locks ............................. 30
Door Locks, Automatic .................... 32
Driving
Through Flowing, Rising, or Shallow
Standing Water ...................... 300
Dual Rear Wheels ..................... 334,384
Electric Rear Window Defrost ............... 180
Electrical Power Outlets ................... 165
Electronic Range Select (ERS) ............... 284
Electronic Speed Control (Cruise Control) ...... 160
Electronic Vehicle Information Center (EVIC) .... 203
Electronically Shifted Transfer Case ........... 292
Emergency Brake ........................ 304
10 INDEX 485

Fluid Leaks ............................. 81
Fluid Level Checks
Automatic Transmission ................ 428
Brake ............................. 423
Power Steering ...................... 303
Fluid, Brake ........................... 451
Fluids, Lubricants and Genuine Parts .......... 450
Fog Lights ....................... 150,200,445
Four Wheel Drive ....................... 288
Four-Way Hazard Flasher .................. 376
Freeing A Stuck Vehicle ................... 392
Front Axle (Differential) ................... 425
Fuel ................................. 335
Adding ........................... 340
Diesel ............................. 450
Filler Cap (Gas Cap) .................. 341
Filter ............................. 450
Gauge ............................ 189
Light ............................. 196 Octane Rating ....................... 335
Requirements ....................... 335
Tank Capacity ....................... 449
Fuses ................................ 435
Gas Cap (Fuel Filler Cap) ............... 341,402
Gasoline (Fuel) ......................... 335
Gasoline, Reformulated ................... 336
Gauges
Coolant Temperature .................. 189
Fuel .............................. 189
Oil Pressure ........................ 192
Speedometer ........................ 190
Tachometer ......................... 189
Voltmeter .......................... 196
Gear Ranges ........................... 279
Gear Select Lever Override ................. 394
General Information .................. 18,26,123
Glass Cleaning .......................... 435
10 INDEX 487