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.
1992 Plymouth Laser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Electronic Control Unit 10-Pin Connector
ECU 10-PIN CONNECTOR PIN IDENTIFICATION (1)
| Terminal | Wire Color | Function | ||
|---|---|---|---|---|
| 101 | Black | Ground | ||
| 102 | Red | Power | ||
| 103 | Red/Black | Battery Back-Up | ||
| 104 | Black/Yellow | Park/Neutral Sense (A/T) | ||
| " | Black | Ground (M/T) | ||
| 105 | Black/Dark Green | Oxygen (O2) Sensor Heater | ||
| 106 | Black | Ground | ||
| 107 | Red | Power Source | ||
| 108 | Black/Yellow | Inhibitor Switch (A/T) | ||
| 108 | Black/Yellow | Starter Relay (M/T) | ||
| 109 | White | Tachometer | ||
| 110 | Not Used | Not Used | ||
|
||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.