2006 Cadillac STS 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

7 Alternator / Generator parts are listed for the 2006 Cadillac STS, from GM GENUINE, WAI GLOBAL, DENSO and 4 other brands. GM GENUINE 84009371 carries the "Popular" badge.

In the New grade, GM GENUINE and WAI GLOBAL supply 2 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84009371.

In the Remanufactured grade, DENSO, ACDELCO, PURE ENERGY and 2 other brands supply 5 parts: factory-rebuilt units with new wear components. A representative part number is DENSO 2101064.

Part numbers include GM GENUINE 84009371, WAI GLOBAL 11038N and DENSO 2101064, among others listed above.

This table covers the sirens in the anti-theft system. Read more

This group shows a single part: GM GENUINE 15213135.

This table covers the Automatic Headlamp 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 Automatic Headlamp Sensor parts for the 2006 Cadillac STS come from 3 brands — GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include GM GENUINE 13498958, STANDARD MOTOR PRODUCTS EFL172 and WELLS 5S7218.

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

2 Battery Current Sensor parts are listed for the 2006 Cadillac STS, from GM GENUINE and WELLS.

Part numbers include GM GENUINE 13505369 and WELLS 5S6706.

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

This group shows a single part: DEKA 00351.

This table covers the covers that protect battery terminals. Read more

2 Battery Terminal Protector parts for the 2006 Cadillac STS come from GM GENUINE.

Listed part numbers: GM GENUINE 12010050 and GM GENUINE 19119011.

This table covers the brackets that mount the Battery Tray. 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: DORMAN 700251.

This table covers the HID Lighting ballasts. Read more

3 HID Lighting Ballast parts are listed for the 2006 Cadillac STS, from AUTOTECNICA, DORMAN and WELLS.

This group includes AUTOTECNICA CA1320411, DORMAN 601172 and WELLS 6R1079.

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

13 Horn parts for the 2006 Cadillac STS 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 key fobs that lock, unlock and start the vehicle. Read more

One part is listed for the 2006 Cadillac STS — GM GENUINE 15212382.

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

4 Parking Aid Sensor parts are listed for the 2006 Cadillac STS, from GM GENUINE, NTK, STANDARD MOTOR PRODUCTS and 1 other brand.

Part numbers include GM GENUINE 88891836, NTK PA0019 and STANDARD MOTOR PRODUCTS PPS71, among others listed above.