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.
Test 5
Remove existing coil/distributor high tension lead and fit test high tension lead to coil tower. See Fig 1 . Using suitable insulated pliers, hold free end about 6 mm (0.25") from the engine block and crank the engine. There should be good high tension sparking. If weak or no sparking, fit new coil, repeat test. If high tension sparking good, repeat test with original high tension lead. If sparking is good carry out TEST 6 . If weak or no sparking, fit new high tension lead, if engine will not start carry out TEST 6 .
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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.
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