LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1978 >> Fiesta >> Repair and Diagnosis >> Engine Performance >> Ignition System >> MOTORCRAFT Solid State Ignition >> Testing >> Primary Resistance Wire Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Primary Resistance Wire Test

Resistance between Red wire (pin No. 4) and Blue wire (pin No. 6). Resistance should be 1-2 ohms. If not, replace ignition resistance wire.