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

Primary Winding Test

Disconnect ignition coil wiring. Set ohmmeter on "x1" scale. Connect ohmmeter across coil negative and positive terminals. Reading should be .3-1.0 ohms. If incorrect, replace ignition coil.