2012 Ram 5500 Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

26 Alternator / Generator parts are listed for the 2012 Ram 5500, from REMY, TERREPOWER, PURE ENERGY and 8 other brands. MOPAR 4801313AD carries the "Popular" badge. They are grouped as New and Remanufactured, with Remanufactured the largest group at 16 parts from REMY, TERREPOWER, ACDELCO and 5 other brands.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

2 Alternator / Generator Pulley parts for the 2012 Ram 5500 come from 2 brands — DORMAN and INA.

Part numbers include DORMAN 300435 and INA EA0262.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

7 Battery parts for the 2012 Ram 5500 come from 6 brands — DEKA, ACDELCO, BOSCH and 3 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, ACDELCO, BOSCH and 2 other brands supply 6 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A48.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT85094R.

Part numbers include DEKA 9A48, DEKA 9A94R and ACDELCO 94RAGM, among others listed above.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

MOPAR supplies the 4 Battery Cable parts for the 2012 Ram 5500.

Part numbers include MOPAR 5148506AC, MOPAR 5148507AB and MOPAR 56043290AA, among others listed above.

This table covers the Battery Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

One part is listed for the 2012 Ram 5500 — MOPAR 5033395AC.

This table covers the trays the battery sits in. Read more

This group shows a single part: MOPAR 55372563AB.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

This group shows a single part: MOPAR 4692143AA.

This table covers the Door control modules. Read more

2 Door Control Module parts for the 2012 Ram 5500 come from MOPAR.

Listed part numbers: MOPAR 4602911AK and MOPAR 4602910AK.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

4 Fuse parts for the 2012 Ram 5500 come from MOPAR.

In the 10 Amp grade, MOPAR supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 6101486.

The 15 Amp section lists 1 option from MOPAR — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. MOPAR 6101487 is listed in this group.

The 20 Amp section lists 1 option from MOPAR — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. MOPAR 6101488 is listed in this group.

In the 25 Amp grade, MOPAR supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 4687835.

Part numbers include MOPAR 6101486, MOPAR 6101487 and MOPAR 6101488, among others listed above.

This table covers the holders that carry a fuse. Read more

This group shows a single part: MOPAR 68083377AA.

This table covers the horns mounted in the front of the vehicle. Read more

13 Horn parts for the 2012 Ram 5500 come from FIAMM. The "Popular" part is FIAMM 7210223.

The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.

In the Standard Replacement grade, FIAMM supplies 6 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

This table covers the receivers that pick up the key-fob unlock signal. Read more

One part is listed for the 2012 Ram 5500 — MOPAR 68105738AF.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

3 Keyless Entry Remote parts are listed for the 2012 Ram 5500, from MOPAR and DORMAN.

This group includes DORMAN 99360, MOPAR 56046639AG and MOPAR 56046638AF.

This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

5 Parking Aid Sensor parts are listed for the 2012 Ram 5500, from BOSCH, AUTOTECNICA, SKP and 2 other brands. BOSCH 0263043552 carries the "Popular" badge.

Part numbers include BOSCH 0263043552, AUTOTECNICA CY1317815 and SKP SK684007, among others listed above.

This table covers the Power inverters. Read more

One part is listed for the 2012 Ram 5500 — MOPAR 5082095AB.

This table covers the totally-integrated power modules that distribute body electrical power. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

This group shows a single part: MOPAR R8089322AG.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

7 Speed Sensor parts for the 2012 Ram 5500 come from 5 brands — ULTRA-POWER, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 2 other brands. The "Popular" part is ULTRA-POWER 5S6546.

The Economy section lists 3 options from ULTRA-POWER and BECK/ARNLEY — the catalog's value-priced group. ULTRA-POWER 5S6546 is listed in this group.

Standard Replacement: 4 parts, from STANDARD MOTOR PRODUCTS, WELLS and MOPAR. A representative part number is WELLS 5S6546.

Part numbers include ULTRA-POWER 5S6546, BECK/ARNLEY 0900013 and ULTRA-POWER SC658, among others listed above.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

11 Starter Motor parts are listed for the 2012 Ram 5500, from WAI GLOBAL, TERREPOWER, ACDELCO and 6 other brands. WAI GLOBAL 19029N carries the "Popular" badge.

In the New grade, WAI GLOBAL and TERREPOWER supply 2 parts: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 19029N.

In the Remanufactured grade, ACDELCO, PURE ENERGY, BOSCH and 6 other brands supply 9 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3362181.