The lights are the only circuit on the vehicle
which should work or be drawing any power
when the switch is in the STOP position.
Check the instruments, try turning on the
heater fan, listen for any relay clicking or
other sign (includes engine running) that
power is on when it shouldnt be.
Its best if you use the STEKE-R
in TK mode
to verify that there is no current draw from
You cant use the DCA mode for
this because it will measure this current
during the calibration part of the test and
read that this is just an offset in the sensor.
The lights should work with the
rotary switch in any position.
9-l ,590 AMPS
1. Connect probe.
2. Start Test 90, DC amps.
3. Displayed reading is in amps.