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Home >> Merkur >> 1987 >> XR4Ti Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System - TFI-IV >> Testing >> Ignition Coil Tests >> Secondary Winding Test

Secondary Winding Test

Disconnect ignition coil wiring. Set ohmmeter on "x1000" scale. Connect ohmmeter across coil negative terminal and coil tower. Reading should be 8000-11,500 ohms. If incorrect, replace ignition coil.

NOTE: Whenever a high-tension wire is replaced or removed, apply dielectric compound to inside of boot before connecting wire.