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 MANUALSOLDSMOBILE1998ACHIEVA 3.1 M, 4T40E/MN4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 35 (CONNECTOR TERMINAL IDENTIFICATION)*PLEASE READ THIS FIRST*
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
*Please Read This First*
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION *Please Read This First*
WARNING: This page is about a different car, the 1997 Pontiac Sunfire and 1997 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use the CONNECTOR IDENTIFICATION INDEX
table to link to the illustrations of specific connector groups.
CONNECTOR IDENTIFICATION INDEX
| Application | Connector Group | |
|---|---|---|
| C100 To C313 | C100 TO C313 | |
| ABS Actuator Motor Assembly | ABS ACTUATOR MOTOR ASSEMBLY | |
| Automatic Transaxle | AUTOMATIC TRANSAXLE | |
| Automatic Transmission Wiring Harness Assembly | AUTOMATIC TRANSMISSION WIRING HARNESS ASSEMBLY | |
| Brake Switch Connectors | BRAKE SWITCH CONNECTORS | |
| Convenience Center C1 & C2 | CONVENIENCE CENTER C1 & C2 | |
| Cruise Control Module | CRUISE CONTROL MODULE | |
| Data Link | DATA LINK | |
| Daytime Running Lamps Relay | DAYTIME RUNNING LAMPS RELAY | |
| Door Lock Relay | DOOR LOCK RELAY & FOLDING TOP RELAY | |
| Electronic Brake Control Module C1 & C2 | ELECTRONIC BRAKE CONTROL MODULE C1 & C2 | |
| Electronic Ignition Connectors | ||
| Electronic Ignition Control Module Connectors | ELECTRONIC IGNITION CONTROL MODULE CONNECTORS | |
| Electronic Ignition Module (VIN T) | ELECTRONIC IGNITION MODULE (VIN T) | |
| Exhaust Gas Recirculation (EGR) Valve | EXHAUST GAS RECIRCULATION (EGR) VALVE | |
| Fog Lamp Relay | FOG LAMP RELAY | |
| Folding Top Connectors | ||
| Folding Top Bypass Switch | FOLDING TOP BYPASS SWITCH | |
| Folding Top Relay | DOOR LOCK RELAY & FOLDING TOP RELAY | |
| Front End Discriminating Sensor Harness | FRONT END DISCRIMINATING SENSOR HARNESS | |
| Generator | GENERATOR | |
| Headlamp Switch Assembly (Turn/Hazard) | HEADLAMP SWITCH ASSEMBLY (TURN/HAZARD) | |
| Heater - A/C & Rear Defogger Control Assembly C1, C2 & C3 | HEATER - A/C & REAR DEFOGGER CONTROL ASSEMBLY C1, C2 & C3 | |
| Ignition Switch C1 & C2 | IGNITION SWITCH C1 & C2 | |
| Instrument Cluster Connectors | INSTRUMENT CLUSTER CONNECTORS | |
| Instrument Panel Lamp Dimmer Switch | INSTRUMENT PANEL LAMP DIMMER SWITCH | |
| Lamp Dimmer Module | LAMP DIMMER MODULE | |
| Master Window Switch C1 (4 Door) & C2 | MASTER WINDOW SWITCH C1 (4 DOOR) & C2 | |
| Motor Idle Air Control Valve | MOTOR IDLE AIR CONTROL VALVE | |
| Outside Mirror Connectors | ||
| Outside Mirror (RH) | OUTSIDE MIRROR (RH) | |
| Outside Mirror Switch | OUTSIDE MIRROR SWITCH | |
| Passenger Inflator Module Harness | PASSENGER INFLATOR MODULE HARNESS | |
| Post-Converter Heated Oxygen Sensor | POST-CONVERTER HEATED OXYGEN SENSOR | |
| Radio C1 & C2 | RADIO C1 & C2 | |
| Rearview Mirror Lamp | REARVIEW MIRROR LAMP | |
| Rear Window & Door Lock Switch Connectors | REAR WINDOW & DOOR LOCK SWITCH CONNECTORS | |
| Remote Control Door Lock Receiver C1 & C2 | REMOTE CONTROL DOOR LOCK RECEIVER C1 & C2 | |
| Sensing Diagnostic Module (SDM) | SENSING DIAGNOSTIC MODULE (SDM) | |
| Steering Column Harness | STEERING COLUMN HARNESS | |
| Transaxle Range Switch C1 & C2 | TRANSAXLE RANGE SWITCH C1 & C2 | |
| Turn/Hazard Flasher | TURN/HAZARD FLASHER | |
| Washer/Wiper Connectors | ||
| Washer Pump | WASHER PUMP | |
| Washer Switch | WASHER SWITCH | |
| Wiper Motor Wiring Harness | WIPER MOTOR WIRING HARNESS | |
RENDER: 1.0x
NO RELATED
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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.