Hi, just fitted a new AC cooling fan to td5, I would like to fit an override switch so the fan runs full time when towing (Horse Trailer)
Looking at the circuits relay 5 (R117) is energised when its coil is grounded via pin C0573-11 fed from ECU C0658-4. Black/Purple wire.
Its quite easy to reach this wire to splice in a switch which would ground the relay coil and energise the fan.
This grounding of pin 4 on the ECU wouldn't cause any problems ??
Thought I better check first.
Thanks.
Looking at the circuits relay 5 (R117) is energised when its coil is grounded via pin C0573-11 fed from ECU C0658-4. Black/Purple wire.
Its quite easy to reach this wire to splice in a switch which would ground the relay coil and energise the fan.
This grounding of pin 4 on the ECU wouldn't cause any problems ??
Thought I better check first.
Thanks.