24-10-2013, 01:52 PM
(23-10-2013, 07:41 PM)Tom Wrote: One should be constant 12v with ignition on. And then the other should be earthed with different levels of resistance depending on fan speed.
Hi team Tom,
could not find any wires with 12v The brown wire had 3.5v with ignition on, the only other live wire to the heater control unit is with the head lights on the two little lights come on in the control unit.