User Manual

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UT108/109 OPERATING MANUAL
UT108/109 OPERATING MANUAL
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(7) The primary resistance is generally in a range of 6 kΩ to 30 kΩ. Refer to various kinds
of automotive manuals for the details.
(8) For a heater ignition coil, repeat the said testing steps.
Warning:
For a heater ignition coil, the resistance may be a little higher because the
resistance of a coil will vary with the temperatures. The higher the temperature, the
resistance will be higher; on the contrary, it will become lower.