1990 Buick Century Electrical Connector Parts

This table covers the harness connectors at the A/C Clutch Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 A/C Clutch Switch Connector parts are listed for the 1990 Buick Century, from FOUR SEASONS and GM GENUINE.

Part numbers include FOUR SEASONS 37219 and GM GENUINE PT131.

This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

8 A/C Compressor Clutch Coil Connector parts are listed for the 1990 Buick Century, from FOUR SEASONS, WELLS, GM GENUINE and 2 other brands. FOUR SEASONS 37215 carries the "Popular" badge.

Part numbers include FOUR SEASONS 37215, GM GENUINE PT209 and FOUR SEASONS 37233, among others listed above.

This table covers the harness connectors at the A/C Compressor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

8 A/C Compressor Connector parts are listed for the 1990 Buick Century, from WELLS, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands. ACDELCO PT2293 carries the "Popular" badge.

Part numbers include ACDELCO PT2293, GM GENUINE PT209 and STANDARD MOTOR PRODUCTS S538, among others listed above.

This table covers the harness connectors at the A/C Compressor Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 A/C Compressor Relay Connector parts for the 1990 Buick Century come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS S742 and WELLS 1P1272.

This table covers the harness connectors at the A/C Condenser Fan Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

4 A/C Condenser Fan Switch Connector parts for the 1990 Buick Century come from 2 brands — FOUR SEASONS and ROSTRA.

Listed part numbers: FOUR SEASONS 37227, FOUR SEASONS 37222 and ROSTRA 610269, plus the other parts above.

This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

8 A/C Refrigerant Pressure Switch Connector parts for the 1990 Buick Century come from 5 brands — FOUR SEASONS, GM GENUINE, WELLS and 2 other brands. The "Popular" part is FOUR SEASONS 37227.

Part numbers include FOUR SEASONS 37227, GM GENUINE PT131 and FOUR SEASONS 37222, among others listed above.

This table covers the harness connectors at the ABS Control Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 ABS Control Module Connector parts for the 1990 Buick Century come from 3 brands — GM GENUINE, ROSTRA and WELLS.

Part numbers include GM GENUINE PT142, ROSTRA 610812 and WELLS 1P2261.

This table covers the harness connectors at the Air Diverter / Bypass Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Air Diverter / Bypass Valve Connector parts are listed for the 1990 Buick Century, from ROSTRA and WELLS.

This group includes ROSTRA 610486 and WELLS 1P1017.

This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

9 Air Intake / Charge Temperature Sensor Connector parts for the 1990 Buick Century come from 8 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 5 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS HP4420.

Part numbers include STANDARD MOTOR PRODUCTS HP4420, WELLS 1P1016 and ACDELCO PT2301, among others listed above.

This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Alternator / Generator Connector parts are listed for the 1990 Buick Century, from ULTRA-POWER, GM GENUINE, ROSTRA and 2 other brands. ULTRA-POWER 1P1067 carries the "Popular" badge.

Part numbers include ULTRA-POWER 1P1067, GM GENUINE PT1742 and ROSTRA 610025, among others listed above.

This table covers the harness connectors at the Antenna. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: WELLS 1P1682.

This table covers the harness connectors at the Automatic Headlamp Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Automatic Headlamp Sensor Connector parts for the 1990 Buick Century come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS S826 and WELLS 1P1267.

This table covers the harness connectors at the Back Up / Reverse Lamp Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Back Up / Reverse Lamp Switch Connector parts for the 1990 Buick Century come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS S1056 and WELLS 1P1668.

This table covers the harness connectors at the Blower Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Blower Motor Connector parts are listed for the 1990 Buick Century, from FAMOUS BRAND, ROSTRA and STANDARD MOTOR PRODUCTS.

Part numbers include FAMOUS BRAND PTA1315, ROSTRA 610778 and STANDARD MOTOR PRODUCTS S601.

This table covers the connectors at the blower resistor or control module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Blower Motor Control Module / Resistor Connector parts for the 1990 Buick Century come from 5 brands — GM GENUINE, FAMOUS BRAND, FOUR SEASONS and 2 other brands. The "Popular" part is GM GENUINE PT391.

Listed part numbers: GM GENUINE PT391, FAMOUS BRAND PTA1319 and FOUR SEASONS 37246, plus the other parts above.

This table covers the harness connectors at the Blower Motor Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Blower Motor Relay Connector parts for the 1990 Buick Century come from 3 brands — GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: GM GENUINE PT1115, STANDARD MOTOR PRODUCTS S742 and WELLS 1P1272.

This table covers the harness connectors at the Blower Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Blower Switch Connector parts for the 1990 Buick Century come from 4 brands — STANDARD MOTOR PRODUCTS, FOUR SEASONS, UNITED MOTOR PRODUCTS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP4360.

Part numbers include STANDARD MOTOR PRODUCTS HP4360, FOUR SEASONS 37206 and STANDARD MOTOR PRODUCTS S617, among others listed above.

This table covers the harness connectors at the Brake Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

7 Brake Fluid Level Sensor Connector parts for the 1990 Buick Century come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX3A.

This group includes STANDARD MOTOR PRODUCTS TX3A, WELLS 1P1006 and ACDELCO PT2386 and the remaining parts above.

This table covers the harness connectors at the Brake Light Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

4 Brake Light Switch Connector parts for the 1990 Buick Century come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include ROSTRA 610508, ROSTRA 610571 and STANDARD MOTOR PRODUCTS S1614, among others listed above.

This table covers the harness connectors at the Cigarette Lighter. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

6 Cigarette Lighter Connector parts for the 1990 Buick Century come from 5 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS S635.

Listed part numbers: STANDARD MOTOR PRODUCTS S635, WELLS 1P1063 and ACDELCO PT2322, plus the other parts above.

This table covers the harness connectors at the Coolant Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

6 Coolant Level Sensor Connector parts are listed for the 1990 Buick Century, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, ACDELCO and 3 other brands. STANDARD MOTOR PRODUCTS S574 carries the "Popular" badge.

Listed part numbers: STANDARD MOTOR PRODUCTS S574, UNITED MOTOR PRODUCTS CON89 and ACDELCO PT2306, plus the other parts above.

This table covers the harness connectors at the Cornering Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Cornering Lamp Connector parts for the 1990 Buick Century come from 2 brands — ROSTRA and WELLS.

Listed part numbers: ROSTRA 610003 and WELLS 1P1032.

This table covers the harness connectors at the Cornering Lamp Socket. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Cornering Lamp Socket Connector parts are listed for the 1990 Buick Century, from STANDARD MOTOR PRODUCTS, ACDELCO, SKP and 1 other brand. STANDARD MOTOR PRODUCTS S553 carries the "Popular" badge.

Part numbers include STANDARD MOTOR PRODUCTS S553, ACDELCO PT2298 and SKP SKS553, among others listed above.

This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Crankshaft Position Sensor Connector parts are listed for the 1990 Buick Century, from STANDARD MOTOR PRODUCTS and ACDELCO.

Listed part numbers: ACDELCO PT2368, STANDARD MOTOR PRODUCTS HP4485 and STANDARD MOTOR PRODUCTS S761.

This table covers the harness connectors at the Cruise Control Servo. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Cruise Control Servo Connector parts for the 1990 Buick Century come from 3 brands — GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

This group includes GM GENUINE PT2719, STANDARD MOTOR PRODUCTS S759 and WELLS 1P1207.

This table covers the harness connectors at the Cruise Control Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Cruise Control Switch Connector parts are listed for the 1990 Buick Century, from WELLS, STANDARD MOTOR PRODUCTS and GM GENUINE. WELLS 1P2261 carries the "Popular" badge.

Part numbers include WELLS 1P2261, GM GENUINE PT313 and STANDARD MOTOR PRODUCTS S1614, among others listed above.

This table covers the harness connectors at the Daytime Running Light Module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Daytime Running Light Module Connector parts are listed for the 1990 Buick Century, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include ROSTRA 610237, STANDARD MOTOR PRODUCTS S1658 and WELLS 1P1267.

This table covers the harness connectors at the Dome Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Dome Lamp Connector parts for the 1990 Buick Century come from 2 brands — ACDELCO and GM GENUINE.

Part numbers include ACDELCO PT2834 and GM GENUINE PT126.

This table covers the harness connectors at the Door Jamb Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 1990 Buick Century — GM GENUINE PT242.

This table covers the harness connectors at the Door Lock Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Door Lock Actuator Connector parts are listed for the 1990 Buick Century, from GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include GM GENUINE PT288 and STANDARD MOTOR PRODUCTS S1819.

This table covers the harness connectors at the Door Lock Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

6 Door Lock Switch Connector parts for the 1990 Buick Century come from 5 brands — WELLS, GM GENUINE, UNITED MOTOR PRODUCTS and 2 other brands. The "Popular" part is GM GENUINE PT2830.

Part numbers include GM GENUINE PT2830, UNITED MOTOR PRODUCTS CON108 and FAMOUS BRAND PTA1246, among others listed above.

This table covers the harness connectors at the EGR Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 1990 Buick Century — SKP SKS575.

This table covers the wiring-harness connectors at the Engine. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

This group shows a single part: GM GENUINE PT789.

This table covers the harness connectors at the Flasher. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S957.

This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

11 Fuel Injector Connector parts are listed for the 1990 Buick Century, from SKP, STANDARD MOTOR PRODUCTS, GM GENUINE and 5 other brands. SKP SKS696 carries the "Popular" badge.

This table covers the harness connectors at the Fuel Pump / Circuit Opening Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

7 Fuel Pump / Circuit Opening Relay Connector parts for the 1990 Buick Century come from 6 brands — WELLS, GM GENUINE, STANDARD MOTOR PRODUCTS and 3 other brands. The "Popular" part is GM GENUINE PT1115.

Part numbers include GM GENUINE PT1115, STANDARD MOTOR PRODUCTS S742 and AIRTEX WH3010, among others listed above.

This table covers the harness connectors at the Fuel Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Fuel Pump Connector parts are listed for the 1990 Buick Century, from STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS S742 and WELLS 1P1272.

This table covers the harness connectors at the Fuel Pump Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Fuel Pump Pressure Switch Connector parts for the 1990 Buick Century come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.

Listed part numbers: STANDARD MOTOR PRODUCTS HP4480, STANDARD MOTOR PRODUCTS S637 and UNITED MOTOR PRODUCTS CON119.

This table covers the harness connectors at the Fuel Sending Unit. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 1990 Buick Century — WELLS 1P1272.

This table covers the harness connectors at the Glove Box Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 1990 Buick Century — STANDARD MOTOR PRODUCTS S1128.

This table covers the harness connectors at the Headlamp Dimmer Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Headlamp Dimmer Switch Connector parts are listed for the 1990 Buick Century, from FAMOUS BRAND, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS S726 carries the "Popular" badge.

This group includes STANDARD MOTOR PRODUCTS S726, FAMOUS BRAND PTA1307 and FAMOUS BRAND PTA1327 and the remaining parts above.

This table covers the harness connectors at the Headlamp Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Headlamp Relay Connector parts for the 1990 Buick Century come from 2 brands — UNITED MOTOR PRODUCTS and WELLS.

Part numbers include UNITED MOTOR PRODUCTS CON123 and WELLS 1P1143.

This table covers the harness connectors at the Headlamp Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

4 Headlamp Switch Connector parts are listed for the 1990 Buick Century, from ROSTRA, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand.

Part numbers include ROSTRA 610273, STANDARD MOTOR PRODUCTS S726 and UNITED MOTOR PRODUCTS CON143, among others listed above.

This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

4 Headlamp Wiring Harness / Connector parts for the 1990 Buick Century come from STANDARD MOTOR PRODUCTS.

This group includes STANDARD MOTOR PRODUCTS F90008, STANDARD MOTOR PRODUCTS F90009 and STANDARD MOTOR PRODUCTS LWH106 and the remaining parts above.

This table covers the harness connectors at the High Mount Brake Light. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 High Mount Brake Light Connector parts are listed for the 1990 Buick Century, from GM GENUINE, ROSTRA and WELLS.

Listed part numbers: GM GENUINE PT2726, ROSTRA 610433 and WELLS 1P1867.

This table covers the harness connectors at the Horn. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

7 Horn Connector parts for the 1990 Buick Century come from 6 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, ACDELCO and 3 other brands. The "Popular" part is GM GENUINE PT3910.

Listed part numbers: GM GENUINE PT3910, STANDARD MOTOR PRODUCTS HP4750 and ACDELCO PT2309, plus the other parts above.

This table covers the harness connectors at the Horn Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

4 Horn Relay Connector parts are listed for the 1990 Buick Century, from ROSTRA, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand.

This group includes ROSTRA 610560, STANDARD MOTOR PRODUCTS S82 and UNITED MOTOR PRODUCTS CON173 and the remaining parts above.

This table covers the harness connectors at the HVAC Control Switch / Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 HVAC Control Switch / Panel Connector parts are listed for the 1990 Buick Century, from ACDELCO and DORMAN.

Part numbers include ACDELCO PT703 and DORMAN 85148.

This table covers the harness connectors at the HVAC Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 HVAC Relay Connector parts for the 1990 Buick Century come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS S742 and WELLS 1P1272.

This table covers the harness connectors at the Idle Air Control (IAC) Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

9 Idle Air Control (IAC) Valve Connector parts for the 1990 Buick Century come from 8 brands — STANDARD MOTOR PRODUCTS, ACDELCO, DORMAN and 5 other brands. The "Popular" part is ACDELCO PT2296.

Part numbers include ACDELCO PT2296, STANDARD MOTOR PRODUCTS HP3895 and DORMAN 645405, among others listed above.

This table covers the harness connectors at the Ignition Control Module (ICM). Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

6 Ignition Control Module (ICM) Connector parts are listed for the 1990 Buick Century, from ROSTRA, GM GENUINE, STANDARD MOTOR PRODUCTS and 2 other brands. GM GENUINE PT789 carries the "Popular" badge.

This group includes GM GENUINE PT789, STANDARD MOTOR PRODUCTS S1099 and ROSTRA 610065 and the remaining parts above.

This table covers the harness connectors at the Ignition Starter Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

7 Ignition Starter Switch Connector parts are listed for the 1990 Buick Century, from STANDARD MOTOR PRODUCTS, WELLS, GM GENUINE and 1 other brand. STANDARD MOTOR PRODUCTS S602 carries the "Popular" badge.

Part numbers include STANDARD MOTOR PRODUCTS S602, WELLS 1P1009 and GM GENUINE PT289, among others listed above.

This table covers the harness connectors at the Inline. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Inline Connector parts for the 1990 Buick Century come from WELLS.

This group includes WELLS 1P1012 and WELLS 1P2010.

This table covers the harness connectors at the Instrument Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Instrument Panel Connector parts for the 1990 Buick Century come from 3 brands — STANDARD MOTOR PRODUCTS, WELLS and GM GENUINE. The "Popular" part is GM GENUINE PT1346.

This group includes GM GENUINE PT1346, STANDARD MOTOR PRODUCTS S714 and STANDARD MOTOR PRODUCTS S1097 and the remaining parts above.

This table covers the harness connectors at the Keyless Entry Module / Receiver. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Keyless Entry Module / Receiver Connector parts are listed for the 1990 Buick Century, from GM GENUINE, ACDELCO, STANDARD MOTOR PRODUCTS and 2 other brands. GM GENUINE PT1346 carries the "Popular" badge.

Listed part numbers: GM GENUINE PT1346, ACDELCO PT2372 and STANDARD MOTOR PRODUCTS S804, plus the other parts above.

This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Knock / Detonation Sensor Connector parts are listed for the 1990 Buick Century, from STANDARD MOTOR PRODUCTS, ACDELCO, GPD and 1 other brand. STANDARD MOTOR PRODUCTS HP3850 carries the "Popular" badge.

Part numbers include STANDARD MOTOR PRODUCTS HP3850, ACDELCO PT2295 and GPD 1816583, among others listed above.