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 MANUALSPLYMOUTH1994COLT VISTA BASE, 2.4 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 21 (SUSPENSION - ELECTRONIC)COMPONENT TESTINGEMS CONTROL UNIT POWER SUPPLY & GROUND CIRCUITGROUND CIRCUIT INSPECTION
1994 Plymouth Colt Vista Base, 2.4 G, Automatic
Ground Circuit Inspection
1994 Plymouth Colt Vista Base, 2.4 G, AutomaticSECTION Ground Circuit Inspection
WARNING: This page is about a different car, the 1994 Mitsubishi 3000GT and 1994 Dodge Stealth. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect EMS control unit harness connector. Using an ohmmeter, check continuity between harness connector terminal No. 52 (Black wire) and ground. See Figure .
- If continuity exists, ground circuit is okay. If continuity does not exist, repair Black wire between ECS control unit harness connector and ground connection on chassis below rear glass latch point.
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:
- • 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.