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.
1983 Mercury Capri Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Ignition System - DURA-Spark III: Testing: Notes
NOTE:
Before testing, inspect the engine compartment to ensure all vacuum hoses and spark plug wires are properly routed and connected. Check all wiring harnesses and connectors for damage. Be sure battery is fully charged. All wire colors referred to are colors of ignition module wires. When test requires inspection of wiring harness, both visual and continuity checks should be performed. Wiggle the wires while measuring.
Factory Service Tools
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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.