2012 Jeep Grand Cherokee 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

58 Alternator / Generator parts are listed for the 2012 Jeep Grand Cherokee, from REMY, TERREPOWER, MOPAR and 9 other brands. SKP SK10114 carries the "Popular" badge. They are grouped as New and Remanufactured, with Remanufactured the largest group at 32 parts from DENSO, BOSCH, FVP and 5 other brands.

This table covers the brackets that mount the Alternator / Generator. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

MOPAR supplies both parts for the 2012 Jeep Grand Cherokee.

This group includes MOPAR 68045250AC and MOPAR 68045250AB.

This table covers the rectifier diode packs in the alternator. Read more

One part is listed for the 2012 Jeep Grand Cherokee — BOSCH 1986AE0614.

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

6 Alternator / Generator Pulley parts for the 2012 Jeep Grand Cherokee come from 3 brands — LITENS, CONTINENTAL and DORMAN. The "Popular" part is LITENS 920971A.

Part numbers include LITENS 920971A, LITENS 920972A and CONTINENTAL 49941, among others listed above.

This table covers the Alternator rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness. Read more

One part is listed for the 2012 Jeep Grand Cherokee — BOSCH 1986AE0665.

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

20 Battery parts for the 2012 Jeep Grand Cherokee come from 10 brands — ACDELCO, DEKA, FVP and 7 other brands. The "Popular" part is DEKA 9A94R. Every part fits all 3 engine options (3.6L V6, 5.7L V8 and 6.4L V8).

In the AGM (Extended Life) grade, ACDELCO, DEKA, FVP and 6 other brands supply 18 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 9A94R.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 2 parts: 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.

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

6 Battery Cable parts are listed for the 2012 Jeep Grand Cherokee, from MOPAR, STANDARD MOTOR PRODUCTS and ACDELCO. STANDARD MOTOR PRODUCTS A1800 carries the "Popular" badge. 5 parts fit every engine; the other 1 is engine-specific.

This group includes STANDARD MOTOR PRODUCTS A1800, ACDELCO BC18 and MOPAR 5064962AA and the remaining parts above.

This table covers the Battery Vent tubes. Read more

One part is listed for the 2012 Jeep Grand Cherokee — MOPAR 5033388AC.

This table covers the Blind Spot Detection sensors. 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

4 Blind Spot Detection Sensor parts are listed for the 2012 Jeep Grand Cherokee, from MOPAR, STANDARD MOTOR PRODUCTS and WELLS. 3 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: MOPAR 56038942AA, MOPAR 56038891AA and STANDARD MOTOR PRODUCTS BSD47, plus the other parts above.

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

2 Circuit Breaker parts for the 2012 Jeep Grand Cherokee come from 2 brands — BUSSMANN and MOPAR. Every part fits all 3 engine options (3.6L V6, 5.7L V8 and 6.4L V8).

This group includes BUSSMANN CB21125 and MOPAR 4692143AA.

This table covers the Cruise Control Distance sensors. 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

3 Cruise Control Distance Sensor parts for the 2012 Jeep Grand Cherokee come from 3 brands — DORMAN, STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (3.6L V6, 5.7L V8 and 6.4L V8).

Part numbers include DORMAN 601756, STANDARD MOTOR PRODUCTS CCD26 and WELLS 5S17038.

This table covers the Door control modules. Read more

2 Door Control Module parts for the 2012 Jeep Grand Cherokee come from MOPAR. Every part fits all 3 engine options (3.6L V6, 5.7L V8 and 6.4L V8).

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

This table covers the engine-control modules that run fuel, spark and emissions. Read more

DORMAN supplies both parts for the 2012 Jeep Grand Cherokee.

Part numbers include DORMAN 318086 and DORMAN 318085.

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

28 Fuse parts for the 2012 Jeep Grand Cherokee come from 3 brands — BUSSMANN, LITTELFUSE and MOPAR. The "Popular" part is BUSSMANN ATM10. Grades run from 10 Amp through 60 Amp; 20 Amp is the most populated section, led by BUSSMANN, LITTELFUSE and MOPAR.

This table covers the fuse blocks that hold this vehicle's fuses. Read more

3 Fuse Block parts are listed for the 2012 Jeep Grand Cherokee, from DORMAN, MOPAR and STANDARD MOTOR PRODUCTS. 2 parts fit every engine; the other 1 is engine-specific.

This group includes DORMAN 956601, MOPAR 68089468AA and STANDARD MOTOR PRODUCTS FH65.

This table covers the Fuse Box covers. Read more

This group shows a single part: MOPAR 68157153AA.

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

This group shows a single part: MOPAR 68083377AA.

This table covers the HID Lighting ballasts. Read more

2 HID Lighting Ballast parts are listed for the 2012 Jeep Grand Cherokee, from DORMAN and MOPAR. All of them fit every engine offered in the 2012 Grand Cherokee.

Part numbers include DORMAN 601091 and MOPAR 68086783AA.

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

11 Horn parts for the 2012 Jeep Grand Cherokee come from FIAMM. The "Popular" part is FIAMM 7210223. Every part fits all 3 engine options (3.6L V6, 5.7L V8 and 6.4L V8).

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 4 parts: built to original-equipment specification. A representative part number is FIAMM 7250522.

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

MOPAR supplies the 5 Keyless Entry Module / Receiver parts for the 2012 Jeep Grand Cherokee. MOPAR 68105738AF carries the "Popular" badge. All of them fit every engine offered in the 2012 Grand Cherokee.

Listed part numbers: MOPAR 68105738AF, MOPAR 4749296AA and MOPAR 68105739AC, plus the other parts above.

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

5 Keyless Entry Remote parts are listed for the 2012 Jeep Grand Cherokee, from MOPAR and DORMAN. DORMAN 99360 carries the "Popular" badge. All of them fit every engine offered in the 2012 Grand Cherokee.

Listed part numbers: DORMAN 99360, DORMAN 99266ST and MOPAR 56046736AH, plus the other parts above.

This table covers the modules that control the exterior lighting. Read more

One part is listed for the 2012 Jeep Grand Cherokee — ÜRO PARTS 63117180050.

This table covers the Park Assist (PAS) Camera modules. 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 56054147AG.

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

8 Parking Aid Sensor parts are listed for the 2012 Jeep Grand Cherokee, from BOSCH, STANDARD MOTOR PRODUCTS, AUTOTECNICA and 5 other brands. BOSCH 0263043552 carries the "Popular" badge. All of them fit every engine offered in the 2012 Grand Cherokee.

Listed part numbers: BOSCH 0263043552, STANDARD MOTOR PRODUCTS PPS45 and AUTOTECNICA CY1317815, plus the other parts above.

This table covers the Power Door Resistance Pinch sensors. 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

One part is listed for the 2012 Jeep Grand Cherokee — MOPAR 55113631AA.

This table covers the Power inverters. Read more

One part is listed for the 2012 Jeep Grand Cherokee — MOPAR 56046933AA.

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

4 Power Supply Module (TIPM) parts for the 2012 Jeep Grand Cherokee come from 2 brands — MOPAR and DORMAN. Every part fits all 3 engine options (3.6L V6, 5.7L V8 and 6.4L V8).

Part numbers include DORMAN 599981, MOPAR 68089321AG and MOPAR 68244870AA, among others listed above.

This table covers the powertrain-control modules that run engine and transmission. Read more

3 Powertrain Control Module (PCM) parts for the 2012 Jeep Grand Cherokee come from MOPAR.

Listed part numbers: MOPAR R5150650AB, MOPAR 5150650AB and MOPAR R5150639AB.

This table covers the capacitors that suppress radio noise. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS RC33.