Operation CHARM: Car repair manuals for everyone.

Test 12, Ignition Coil Primary Resistance


1. Disconnect ignition coil electrical connector.
2. Using a suitable ohmmeter, measure resistance between coil Batt. terminal and Tach terminal.
3. If reading obtained is 0.8---1.6 ohms, coil is satisfactory. Proceed to test 13. If not, replace coil.