Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (ENGINE CONTROLS - TESTS W/CODES - 3.5L)CONNECTOR IDENTIFICATION
1984 Plymouth Horizon Base, 1.6 A
Connector Identification
1984 Plymouth Horizon Base, 1.6 ASECTION Connector Identification
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTOR IDENTIFICATION DIRECTORY
| Connector | See |
|---|---|
| Camshaft Position Sensor | Fig 1 |
| Crankshaft Position Sensor | Fig 2 |
| Distributor Connector (Harness Side) | Fig 3 |
| Engine Coolant Temperature (ECT) Sensor | Fig 4 |
| Evaporative Purge Solenoid | Fig 5 |
| Flexible Fuel Sensor | Fig 6 |
| Fuel Pump | Fig 7 |
| Idle Air Control (IAC) Motor | Fig 8 |
| Ignition Coil | Fig 9 |
| Intake Air Temperature (IAT) Sensor | Fig 10 |
| Knock Sensor | Fig 11 |
| Manifold Absolute Pressure (MAP) Sensor | Fig 12 |
| Manifold Tuning Valve (MTV) Solenoid | Fig 13 |
| Oxygen Sensor | Fig 14 |
| Powertrain Control Module (PCM) | Fig 15 |
| Torque Converter Clutch Solenoid | Fig 16 |
| Throttle Position Sensor (TPS) | Fig 17 |
CAMSHAFT POSITION SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Orange | 8-Volt Supply |
| 2 | Black/Light Blue | Ground |
| 3 | Tan/Yellow | Signal |
CRANKSHAFT POSITION SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Orange | 8-Volt Supply |
| 2 | Black/Light Blue | Ground |
| 3 | Gray/Black | Signal |
DISTRIBUTOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Gray/Black | Crankshaft Signal |
| 2 | Tan/Yellow | Camshaft Signal |
| 3 | Orange | 8-Volt Supply |
| 4 | Black/Light Blue | Ground |
ENGINE TEMP COOLANT (ECT) SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Tan/Black | Signal |
| 2 | Black/Light Blue | Ground |
EVAPORATIVE PURGE SOLENOID CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Pink/Black | Control |
| 2 | Light Green/Black | Ignition 12-Volt Feed |
FLEXIBLE FUEL SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Yellow/White | Signal |
| 2 | Black/Light Blue | Ground |
| 3 | Orange | 8-Volt Supply |
FUEL PUMP CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Dark Green/Black | Fuel Pump Relay Output |
| 2 | Dark Blue | Fuel Level Sense |
| 3 | Not Used | |
| 4 | Black/Tan | Sending Unit Ground |
| 5 | Black | Fuel Pump Ground |
IDLE AIR CONTROL (IAC) MOTOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Gray/Red | IAC Driver No. 1 |
| 2 | Yellow/Black | IAC Driver No. 2 |
| 3 | Brown/White | IAC Driver No. 3 |
| 4 | Violet/Black | IAC Driver No. 4 |
IGNITION COIL CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Red | Ignition Coil Driver No. 3 |
| 2 | Black | Ignition Coil Driver No. 1 |
| 3 | White | Ignition Coil Driver No. 2 |
| 4 | Dark Green/Orange | ASD Relay Output |
INTAKE AIR TEMPERATURE SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Black/Red | Signal |
| 2 | Black/Light Blue | Ground |
KNOCK SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Black/Light Green | Signal No. 1 |
| 2 | Gray/Black | Signal No. 2 |
MAP SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Black/Light Blue | Ground |
| 2 | Dark Green/Red | Signal |
| 3 | Violet/White | 5-Volt Supply |
MANIFOLD TUNING VALVE SOLENOID CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function |
|---|---|---|
| 1 | Violet/White | Control |
| 2 | Light Green/Black | Ignition 12-Volt Feed |
OXYGEN SENSOR CONNECTOR TERMINAL ID
| Terminal | Wire Color | Function | ||
|---|---|---|---|---|
| 1 | Black/Light Blue | Sensor Ground | ||
| 2 | (1) Black/Dark Green | Signal | ||
| 3 | Black | Heater Ground | ||
| 4 | Light Green/Black | Heater Feed | ||
|
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RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.