57 Electrical connector parts are listed for the 1990 Hyundai Excel, in 22 part types, covering the 1.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1990 Hyundai Excel, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 18 parts of the 57 listed are Fuel Injector Connector (7 parts), Trailer Connector (6 parts) and HVAC Relay Connector (5 parts). The other 19 part types cover the remaining 39 parts.
The 1990 Hyundai Excel came with a single engine, the 1.5L L4, and every part is verified against it.
10 brands supply electrical connector parts for the 1990 Hyundai Excel, led by STANDARD MOTOR PRODUCTS (24 parts), WELLS (13 parts) and UNITED MOTOR PRODUCTS (9 parts), plus 7 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1990 Hyundai Excel. 6 parts have it, including STANDARD MOTOR PRODUCTS HP3980 (Fuel Injector Connector) and WELLS 1P1789 (HVAC Relay Connector). Each part number opens a page with every vehicle that part fits.
A/C Compressor Clutch Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 85193 | 🇺🇸 US 🇨🇦 CA | 1-Wire Universal In-Line Diode | View on Amazon |
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.
This group shows a single part: DORMAN 85193.
Accessory Power Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
This table covers the harness connectors at the Accessory Power 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.
4 Accessory Power Relay Connector parts for the 1990 Hyundai Excel come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24, among others listed above.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2536 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2536.
Defroster Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
This table covers the harness connectors at the Defroster 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.
3 Defroster Relay Connector parts are listed for the 1990 Hyundai Excel, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | HP3980 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangular | View on Amazon |
| WELLS Popular | 1P1347 | 🇺🇸 US 🇨🇦 CA | Wire Gauge Measurement: 18 | View on Amazon |
| ACDELCO | PT2384 | 🇺🇸 US 🇨🇦 CA | GoldShape: Rectangle | View on Amazon |
| GB REMANUFACTURING | 5194 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2HAR0055 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SK25 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangularGauge: 20 Gauge | View on Amazon |
| UNITED MOTOR PRODUCTS | CON201 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
7 Fuel Injector Connector parts for the 1990 Hyundai Excel come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS HP3980.
Part numbers include STANDARD MOTOR PRODUCTS HP3980, WELLS 1P1347 and ACDELCO PT2384, among others listed above.
Headlamp Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
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.
4 Headlamp Relay Connector parts are listed for the 1990 Hyundai Excel, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24, plus the other parts above.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | LWH108 | 🇺🇸 US 🇨🇦 CA | Blue Streak | View on Amazon |
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.
One part is listed for the 1990 Hyundai Excel — STANDARD MOTOR PRODUCTS LWH108.
Horn Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
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.
4 Horn Relay Connector parts for the 1990 Hyundai Excel come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24, plus the other parts above.
HVAC Control Switch / Panel Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 85141 | 🇺🇸 US 🇨🇦 CA | 2-Wire Cycle/Chrysler Pressure | View on Amazon |
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.
This group shows a single part: DORMAN 85141.
HVAC Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
| FOUR SEASONS | 37257 | 🇺🇸 US 🇨🇦 CA | 4 Terminal. Malewith Male Lock Tab | View on Amazon |
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
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.
5 HVAC Relay Connector parts are listed for the 1990 Hyundai Excel, from STANDARD MOTOR PRODUCTS, WELLS, FOUR SEASONS and 1 other brand. WELLS 1P1789 carries the "Popular" badge.
This group includes WELLS 1P1789, FOUR SEASONS 37257 and STANDARD MOTOR PRODUCTS HP4145 and the remaining parts above.
Idle Air Control (IAC) Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | CON201 | 🇺🇸 US 🇨🇦 CA | with Quick Release Clipwith 2 Female Terminals | View on Amazon |
| WELLS | 1P1347 | 🇺🇸 US 🇨🇦 CA | Wire Gauge Measurement: 18 | View on Amazon |
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.
2 Idle Air Control (IAC) Valve Connector parts are listed for the 1990 Hyundai Excel, from UNITED MOTOR PRODUCTS and WELLS.
This group includes UNITED MOTOR PRODUCTS CON201 and WELLS 1P1347.
Ignition Control Module (ICM) Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1P1421 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Length: 9.43 In | View on Amazon |
| ROSTRA | 610105 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | HP3975 | 🇺🇸 US 🇨🇦 CA | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS | S745 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS | CON149 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
5 Ignition Control Module (ICM) Connector parts for the 1990 Hyundai Excel come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, ROSTRA and 1 other brand. The "Popular" part is WELLS 1P1421.
This group includes WELLS 1P1421, ROSTRA 610105 and STANDARD MOTOR PRODUCTS HP3975 and the remaining parts above.
Multi-Function Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
This table covers the harness connectors at the Multi-Function 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.
One part is listed for the 1990 Hyundai Excel — WELLS 1P1789.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1634 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the Oil Pressure Sender / 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.
One part is listed for the 1990 Hyundai Excel — STANDARD MOTOR PRODUCTS S1634.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA | 707300 | 🇺🇸 US 🇨🇦 CA | TURBOWireWire Harness | View on Amazon |
| METRA | 717300 | 🇺🇸 US 🇨🇦 CA | TURBOWireRepair Wire Harness | View on Amazon |
This table covers the harness connectors at the Radio. 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.
METRA supplies both parts for the 1990 Hyundai Excel.
Listed part numbers: METRA 707300 and METRA 717300.
Speaker Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA | 729301 | 🇺🇸 US 🇨🇦 CA | InstallerworksSpeaker Connectors | View on Amazon |
This table covers the harness connectors at the Speaker. 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.
One part is listed for the 1990 Hyundai Excel — METRA 729301.
Starter Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
This table covers the harness connectors at the Starter 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.
4 Starter Motor Connector parts for the 1990 Hyundai Excel come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24 and the remaining parts above.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | TC177 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | TC424 | 🇺🇸 US 🇨🇦 CA | Trailer/Vehicle Side: Vehicle and Trailer Side | View on Amazon |
| STANDARD MOTOR PRODUCTS | TC423 | 🇺🇸 US 🇨🇦 CA | 6 Way | View on Amazon |
| WELLS | 4T1097 | 🇺🇸 US 🇨🇦 CA | 4 Pole Flat Connector Extension, Provides an additional 18` length of wire. | View on Amazon |
| WELLS | 4T1185 | 🇺🇸 US 🇨🇦 CA | Taillight Converter, Used on vehicles which have a separate bulb for turn signals. | View on Amazon |
| WELLS | 4T1165 | 🇺🇸 US 🇨🇦 CA | 7 Pin RV Type to 4 Pin Flat Adapter48" Lead Wire | View on Amazon |
This table covers the trailer-lighting connectors at the hitch. 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.
6 Trailer Connector parts are listed for the 1990 Hyundai Excel, from WELLS, STANDARD MOTOR PRODUCTS and ACDELCO. ACDELCO TC177 carries the "Popular" badge.
This group includes ACDELCO TC177, STANDARD MOTOR PRODUCTS TC424 and STANDARD MOTOR PRODUCTS TC423 and the remaining parts above.
Trailer Wire Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | TC466 | 🇺🇸 US 🇨🇦 CA | with Converterwith 4 Way | View on Amazon |
This table covers the Trailer Wire converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.
One part is listed for the 1990 Hyundai Excel — STANDARD MOTOR PRODUCTS TC466.
Voltage Regulator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2536 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Voltage Regulator. 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.
One part is listed for the 1990 Hyundai Excel — STANDARD MOTOR PRODUCTS S2536.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S740 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the Washer 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S740.
Window Defroster Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
This table covers the harness connectors at the Window Defroster 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.
One part is listed for the 1990 Hyundai Excel — WELLS 1P1789.
Buying Electrical Connector Parts for a 1990 Hyundai Excel
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Confirm you have the 1.5L L4 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Fuel Injector Connector and Trailer Connector .
Frequently Asked Questions
How many electrical connector parts fit the 1990 Hyundai Excel?
Our catalog currently lists 57 electrical connector parts for the 1990 Hyundai Excel across 22 subcategories and 10 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 1990 Hyundai Excel?
Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1990 Hyundai Excel was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1990 Hyundai Excel?
Every part on this page is matched to the 1.5L L4 engine. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1990 Hyundai Excel
Electrical Connector Parts for Other Hyundai Excel Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.