LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Alfa Romeo >> 1985 >> Spider Graduate >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Testing >> Component Resistance Tests
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Resistance Tests

COIL RESISTANCE SPECIFICATIONS

Application (1) Ohms
Primary Resistance 0.6-1.0
Secondary Resistance 3000-5000
(1) Check resistance at coil temperature of 72-77°F (22-25°C).
4-CYLINDER COOLANT SENSOR RESISTANCE SPECIFICATIONS

Coolant Temperature Ohms
32°F (0°C) 5.8
50°F (10°C) 3.8
68°F (20°C) 2.5
86°F (30°C) 1.7
104°F (40°C) 1.1
176°F (80°C) .33