2020 Ford Mustang 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

22 Alternator / Generator parts for the 2020 Ford Mustang come from 7 brands — MOTORCRAFT, PURE ENERGY, REMY and 4 other brands. The "Popular" part is MOTORCRAFT GL8966.

The New section lists 8 options from MOTORCRAFT, TYC and WAI GLOBAL — brand-new units rather than rebuilt ones. MOTORCRAFT GL8966 is listed in this group.

The Remanufactured section lists 14 options from PURE ENERGY, REMY, TERREPOWER and 1 other brand — factory-rebuilt units with new wear components. FVP 10289 is listed in this group.

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 are listed for the 2020 Ford Mustang, from CONTINENTAL and LITENS.

This group includes CONTINENTAL 49946 and LITENS 920027A.

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

2 Battery parts are listed for the 2020 Ford Mustang, from FULLRIVER and MOTORCRAFT.

This group includes FULLRIVER FT61047 and MOTORCRAFT BAGMH4.

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

7 Battery Cable parts for the 2020 Ford Mustang come from MOTORCRAFT.

Part numbers include MOTORCRAFT WC97140, MOTORCRAFT WC97148 and MOTORCRAFT WC97153, among others listed above.

This table covers the Battery Current 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 Battery Current Sensor parts for the 2020 Ford Mustang come from 3 brands — DORMAN, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: DORMAN 956135, STANDARD MOTOR PRODUCTS BSC8 and WELLS 5S15941.

This table covers the clamps and brackets that secure the battery. Read more

This group shows a single part: DORMAN 00588.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

MOTORCRAFT supplies the 7 Battery Terminal parts for the 2020 Ford Mustang. MOTORCRAFT WT1002 carries the "Popular" badge.

Listed part numbers: MOTORCRAFT WT1002, MOTORCRAFT WT1001 and MOTORCRAFT WT1026, plus the other parts above.

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

MOTORCRAFT supplies the 15 Circuit Breaker parts for the 2020 Ford Mustang. MOTORCRAFT SW8886 carries the "Popular" badge.

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

One part is listed for the 2020 Ford Mustang — STANDARD MOTOR PRODUCTS CCD79.

This table covers the brackets that mount the Engine Control Module (ECM Computer). 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

This group shows a single part: MOTORCRAFT ECMB5.

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

BUSSMANN supplies the 15 Fuse parts for the 2020 Ford Mustang. BUSSMANN FMX40 carries the "Popular" badge.

The 10 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATR10 is listed in this group.

In the 15 Amp grade, BUSSMANN supplies 2 parts: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATR15.

In the 2 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM2.

In the 20 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATR20.

The 25 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATR25 is listed in this group.

The 30 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATR30 is listed in this group.

In the 4 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "4 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM4.

In the 40 Amp grade, BUSSMANN supplies 2 parts: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMX40.

The 5 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATR5 is listed in this group.

The 50 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX50 is listed in this group.

In the 60 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMX60.

In the 7.5 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM712.

This table covers the Fuse Box covers. Read more

One part is listed for the 2020 Ford Mustang — MOTORCRAFT HLSC23.

This table covers the HID Lighting ballasts. Read more

This group shows a single part: DORMAN 601061.

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

10 Horn parts are listed for the 2020 Ford Mustang, from FIAMM, MOTORCRAFT and DORMAN. FIAMM 72112 carries the "Popular" badge.

In the Accessory Replacement grade, FIAMM supplies 5 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.

The Standard Replacement section lists 5 options from FIAMM, MOTORCRAFT and DORMAN — built to original-equipment specification. FIAMM 7421122 is listed in this group.

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

This group shows a single part: DORMAN 99287ST.

This table covers the Lane Departure 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

2 Lane Departure Camera / Module parts for the 2020 Ford Mustang come from 2 brands — DORMAN and STANDARD MOTOR PRODUCTS.

Part numbers include DORMAN 601767 and STANDARD MOTOR PRODUCTS LDS49.

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

This group shows a single part: VEMO V25730208.

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

3 Parking Aid Sensor parts for the 2020 Ford Mustang come from 3 brands — DORMAN, MOTORCRAFT and TECHPRO.

Part numbers include DORMAN 684115, MOTORCRAFT PRKS9 and TECHPRO FO1075105.

This table covers the brackets that mount the Parking Aid Sensor. 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

2 Parking Aid Sensor Bracket parts for the 2020 Ford Mustang come from 2 brands — TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO FO1074100, plus the other parts above.

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

15 Speed Sensor parts are listed for the 2020 Ford Mustang, from STANDARD MOTOR PRODUCTS, MOTORCRAFT, WELLS and 1 other brand. MOTORCRAFT DY1506 carries the "Popular" badge.

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

15 Starter Motor parts for the 2020 Ford Mustang come from 7 brands — MOTORCRAFT, PURE ENERGY, WAI GLOBAL and 4 other brands. The "Popular" part is MOTORCRAFT SA1088.

The New section: 6 options from MOTORCRAFT, WAI GLOBAL and TYC. MOTORCRAFT SA1088 is listed in this group.

The Remanufactured section: 8 options from PURE ENERGY, REMY, TERREPOWER and 1 other brand. FVP 19632 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.