2004 Buick Regal Electrical Switch & Relay Parts

This table covers the relays that control the A/C Compressor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

12 A/C Compressor Relay parts are listed for the 2004 Buick Regal, from ROSTRA, STANDARD MOTOR PRODUCTS, WELLS and 5 other brands. GM GENUINE 13500114 carries the "Popular" badge.

This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

5 A/C Refrigerant Pressure Switch parts are listed for the 2004 Buick Regal, from GM GENUINE, FOUR SEASONS, GPD and 2 other brands. GM GENUINE 1551343 carries the "Popular" badge.

Listed part numbers: GM GENUINE 1551343, FOUR SEASONS 20915 and GPD 1711513, plus the other parts above.

This table covers the relays that control the A/C System circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

4 A/C System Relay parts are listed for the 2004 Buick Regal, from UAC and ULTRA-POWER.

Listed part numbers: UAC RE0959C, UAC RE8423C and UAC RE1014C, plus the other parts above.

This table covers the relays that control the Accessory Delay circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

4 Accessory Delay Relay parts for the 2004 Buick Regal come from 3 brands — ROSTRA, GM GENUINE and WELLS.

Part numbers include GM GENUINE 19118886, ROSTRA 600032 and ROSTRA 600396, among others listed above.

This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

7 Accessory Power Relay parts for the 2004 Buick Regal come from 3 brands — HELLA, STANDARD MOTOR PRODUCTS and ROSTRA. The "Popular" part is HELLA 933332571.

Part numbers include HELLA 933332571, ROSTRA 600032 and HELLA 965400071, among others listed above.

This table covers the relays that control the Anti-Theft circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

6 Anti-Theft Relay parts are listed for the 2004 Buick Regal, from ACDELCO, GM GENUINE, ROSTRA and 3 other brands. ACDELCO D1741C carries the "Popular" badge.

Part numbers include ACDELCO D1741C, GM GENUINE 13503102 and ROSTRA 600007, among others listed above.

This table covers the relays that control the Back Up / Reverse Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

6 Back Up / Reverse Lamp Relay parts for the 2004 Buick Regal come from 4 brands — STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS RY531T.

Listed part numbers: STANDARD MOTOR PRODUCTS RY531T, WELLS 1R1057 and GM GENUINE 19118886, plus the other parts above.

This table covers the relays that control the Blower Motor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

7 Blower Motor Relay parts are listed for the 2004 Buick Regal, from HELLA, STANDARD MOTOR PRODUCTS, WELLS and 2 other brands. HELLA 933332571 carries the "Popular" badge.

Part numbers include HELLA 933332571, WELLS 1R1057 and GM GENUINE 19118886, among others listed above.

This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

4 Brake Light Switch parts are listed for the 2004 Buick Regal, from FAMOUS BRAND, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.

In the Economy grade, FAMOUS BRAND supplies 1 part: the catalog's value-priced group. A representative part number is FAMOUS BRAND SLA1052.

The Standard Replacement section lists 3 options from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS — built to original-equipment specification. ROSTRA 620082 is listed in this group.

This group includes FAMOUS BRAND SLA1052, ROSTRA 620082 and STANDARD MOTOR PRODUCTS SLS254 and the remaining parts above.

This table covers the Cruise Control Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2004 Buick Regal — ROSTRA 662509.

This table covers the Cruise Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

4 Cruise Control Switch parts for the 2004 Buick Regal come from 3 brands — STANDARD MOTOR PRODUCTS, SHEE-MAR and HOLSTEIN.

The Economy section: 2 options from SHEE-MAR and STANDARD MOTOR PRODUCTS. SHEE-MAR SM246A is listed in this group.

Standard Replacement: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS DS721.

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

This group includes SHEE-MAR SM246A, STANDARD MOTOR PRODUCTS DS721T and STANDARD MOTOR PRODUCTS DS721 and the remaining parts above.

This table covers the Deck Lid / Liftgate Ajar switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 Deck Lid / Liftgate Ajar Switch parts are listed for the 2004 Buick Regal, from FAMOUS BRAND, ROSTRA and WELLS.

Economy: 1 part, from FAMOUS BRAND. A representative part number is FAMOUS BRAND SAA1435.

The Standard Replacement section: 2 options from ROSTRA and WELLS. ROSTRA 690097 is listed in this group.

Part numbers include FAMOUS BRAND SAA1435, ROSTRA 690097 and WELLS 1S2694.

This table covers the relays that control the Defroster circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

10 Defroster Relay parts are listed for the 2004 Buick Regal, from STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 3 other brands. ACDELCO D1741C carries the "Popular" badge.

This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

9 Dimmer Switch parts for the 2004 Buick Regal come from 4 brands — STANDARD MOTOR PRODUCTS, SHEE-MAR, WELLS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS DS721.

The Economy section: 3 options from SHEE-MAR and STANDARD MOTOR PRODUCTS. SHEE-MAR SM245A is listed in this group.

Standard Replacement: 6 parts, from STANDARD MOTOR PRODUCTS, WELLS and ROSTRA. A representative part number is STANDARD MOTOR PRODUCTS DS721.

Listed part numbers: STANDARD MOTOR PRODUCTS DS721, SHEE-MAR SM245A and SHEE-MAR SM246A, plus the other parts above.

This table covers the Door Jamb switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

This group shows a single part: DORMAN 931946.

This table covers the relays that control the Door Lock circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

10 Door Lock Relay parts for the 2004 Buick Regal come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, FAMOUS BRAND and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS RY531T.

This table covers the relays that control the Fog / Driving Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

5 Fog / Driving Lamp Relay parts are listed for the 2004 Buick Regal, from GM GENUINE, HOLSTEIN, ROSTRA and 2 other brands. GM GENUINE 13500114 carries the "Popular" badge.

Listed part numbers: GM GENUINE 13500114, HOLSTEIN 2RSW1002 and ROSTRA 600001, plus the other parts above.

This table covers the relays that control the Fuel Pump / Circuit Opening circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

7 Fuel Pump / Circuit Opening Relay parts are listed for the 2004 Buick Regal, from ROSTRA, HELLA, STANDARD MOTOR PRODUCTS and 3 other brands. HELLA 933332571 carries the "Popular" badge.

Listed part numbers: HELLA 933332571, STANDARD MOTOR PRODUCTS RY601 and BOSCH 0986AH0113, plus the other parts above.

This table covers the Hazard Warning switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

2 Hazard Warning Switch parts for the 2004 Buick Regal come from 2 brands — ROSTRA and WELLS.

This group includes ROSTRA 640038 and WELLS 1S1375.

This table covers the relays that control the Headlamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

9 Headlamp Relay parts are listed for the 2004 Buick Regal, from STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 2 other brands. STANDARD MOTOR PRODUCTS RY531T carries the "Popular" badge.

Listed part numbers: STANDARD MOTOR PRODUCTS RY531T, WELLS 1R1057 and FAMOUS BRAND 83262, plus the other parts above.

This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 Headlamp Switch parts for the 2004 Buick Regal come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include ROSTRA 650033, STANDARD MOTOR PRODUCTS DS716 and WELLS 1S1357.

This table covers the relays that control the Horn circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

7 Horn Relay parts for the 2004 Buick Regal come from 7 brands — GM GENUINE, HELLA, BOSCH and 4 other brands. The "Popular" part is GM GENUINE 13500114.

This group includes GM GENUINE 13500114, HELLA 933332571 and BOSCH 0986AH0115 and the remaining parts above.

This table covers the relays that control the HVAC Control Switch / Panel circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2004 Buick Regal — GPD 1711349.

This table covers the relays that control the Ignition circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

5 Ignition Relay parts for the 2004 Buick Regal come from 5 brands — GM GENUINE, ACDELCO, ROSTRA and 2 other brands. The "Popular" part is GM GENUINE 13503102.

This group includes GM GENUINE 13503102, ACDELCO D1741C and ROSTRA 600007 and the remaining parts above.

This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

6 Ignition Starter Switch parts for the 2004 Buick Regal come from 6 brands — BWD/NIEHOFF, FAMOUS BRAND, SKP and 3 other brands. The "Popular" part is ROSTRA 630062.

The Economy section: 3 options from BWD/NIEHOFF, FAMOUS BRAND and SKP. BWD/NIEHOFF CS605 is listed in this group.

Standard Replacement: 3 parts, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. A representative part number is ROSTRA 630062.

This group includes ROSTRA 630062, BWD/NIEHOFF CS605 and FAMOUS BRAND CSC1347 and the remaining parts above.

This table covers the Neutral Safety Switch / Range 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 Neutral Safety Switch / Range Sensor parts are listed for the 2004 Buick Regal, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: ROSTRA 670583, STANDARD MOTOR PRODUCTS NS635 and WELLS 1S12276.

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch. Read more

8 Oil Pressure Sender / Switch parts are listed for the 2004 Buick Regal, from STANDARD MOTOR PRODUCTS, FAMOUS BRAND, UNITED MOTOR PRODUCTS and 4 other brands. ROSTRA 501211 carries the "Popular" badge.

Economy: 3 parts, from FAMOUS BRAND, STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS. A representative part number is FAMOUS BRAND 59012.

The Standard Replacement section: 5 options from ROSTRA, STANDARD MOTOR PRODUCTS, GM GENUINE and 2 other brands. ROSTRA 501211 is listed in this group.

This group includes ROSTRA 501211, FAMOUS BRAND 59012 and STANDARD MOTOR PRODUCTS PS279T and the remaining parts above.

This table covers the Outside Mirror switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 Outside Mirror Switch parts for the 2004 Buick Regal come from 3 brands — ROSTRA, WAI GLOBAL and WELLS.

Part numbers include ROSTRA 660534, WAI GLOBAL 387138 and WELLS 1S8449.

This table covers the Parking Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

4 Parking Brake Switch parts are listed for the 2004 Buick Regal, from GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.

This group includes GM GENUINE 01264464, ROSTRA 690090 and STANDARD MOTOR PRODUCTS DS905 and the remaining parts above.

This table covers the relays that control the Parking Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

9 Parking Lamp Relay parts are listed for the 2004 Buick Regal, from STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 2 other brands. STANDARD MOTOR PRODUCTS RY531T carries the "Popular" badge.

Listed part numbers: STANDARD MOTOR PRODUCTS RY531T, WELLS 1R1057 and FAMOUS BRAND 83262, plus the other parts above.

This table covers the relays that control the Power Steering circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 Power Steering Relay parts are listed for the 2004 Buick Regal, from ROSTRA and STANDARD MOTOR PRODUCTS.

Listed part numbers: ROSTRA 600007 and STANDARD MOTOR PRODUCTS RY280.

This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

9 Power Window Switch parts are listed for the 2004 Buick Regal, from STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 2 other brands. SHEE-MAR SM1750 carries the "Popular" badge.

Economy: 2 parts, from SHEE-MAR and SKP. A representative part number is SHEE-MAR SM1750.

The Standard Replacement section: 7 options from STANDARD MOTOR PRODUCTS, ROSTRA and WELLS. ROSTRA 660022 is listed in this group.

Part numbers include SHEE-MAR SM1750, SKP SK901002 and ROSTRA 660022, among others listed above.

This table covers the relays that control the Powertrain Control Module circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2004 Buick Regal — HELLA 933332601.

This table covers the relays that control the Radiator Fan circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

14 Radiator Fan Relay parts for the 2004 Buick Regal come from 7 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, FOUR SEASONS and 4 other brands. The "Popular" part is GM GENUINE 13503102.

This table covers the relays that control the Starter Motor Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

4 Starter Motor Control Relay parts for the 2004 Buick Regal come from 4 brands — GM GENUINE, HELLA, HOLSTEIN and 1 other brand.

Listed part numbers: GM GENUINE 13500114, HELLA 933332601 and HOLSTEIN 2RSW0057, plus the other parts above.

This table covers the Steering Wheel Audio Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2004 Buick Regal — WELLS 1S17696.

This table covers the Traction / Stability Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2004 Buick Regal — STANDARD MOTOR PRODUCTS DS3273.

This table covers the Transmission-Automatic Fluid Pressure switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

2 Transmission-Automatic Fluid Pressure Switch parts are listed for the 2004 Buick Regal, from ROSTRA and WELLS.

Part numbers include ROSTRA 501337 and WELLS 1S10175.

This table covers the Transmission-Automatic Manual Shift Shaft Position switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2004 Buick Regal — GM GENUINE 24239970.

This table covers the relays that control the Transmission-Automatic Shift Lock circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: GM GENUINE 19118886.

This table covers the Trunk Lid / Tailgate Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 Trunk Lid / Tailgate Release Switch parts for the 2004 Buick Regal come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: ROSTRA 690674, STANDARD MOTOR PRODUCTS DS2414 and WELLS 1S8546.

This table covers the relays that control the Trunk Release circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

9 Trunk Release Relay parts for the 2004 Buick Regal come from 5 brands — STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS RY531T.

Listed part numbers: STANDARD MOTOR PRODUCTS RY531T, WELLS 1R1057 and FAMOUS BRAND 83262, plus the other parts above.

This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

14 Turn Signal Switch parts are listed for the 2004 Buick Regal, from STANDARD MOTOR PRODUCTS, SHEE-MAR, WELLS and 6 other brands. STANDARD MOTOR PRODUCTS DS721T carries the "Popular" badge.

Economy: 7 parts, from SHEE-MAR, STANDARD MOTOR PRODUCTS, DORMAN and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS DS721T.

The Standard Replacement section: 7 options from STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. STANDARD MOTOR PRODUCTS DS721 is listed in this group.