Vx commodore thermo fan wiring diagram. Ive attached the wiring diagram for the vt v6 commodore. The attached pdf contains the 2 relevant pages of my holden ls1 manual and my diagnosis of the system finally led me to grounding terminal 30 of the low speed fan relay socket and the fans did not turn on as i believe they should have. The engine cooling fans have stopped working on my wifes ls1 vx commodore. The holden commodore vx is an executive car that was produced by the australian manufacturer holden from 2000 to 2002.
How to fit thermo fan bypass switch discussion in. We show you how to install an override switch to have manual control of the high speed engine cooling fan. Locate the thermo sensor wich activate the fansremove the plug and bridge out the two wires with only the ignition onif the fan comes you need to replace the thermo sensor. Utility and holden monaro v2 coup.
Holden vt vx vu commodore with the ls1 engine only. This circuit is fused at 30 amps if you are going to exceed this you may need to run a second relay and fused power. I believe i have tracked down the problem and id like some confirmation of my findings. The smaller orangeblue is to be connected to the negative side of the fan.
The large green wire is to be connected to the positive side of the fan. Have a search for the vx commodore service manual. On the car we worked on a vz holden commodore the computer was failing to engage the. If the fan still dont work then you have a wiring or relay problemif the relay is faulty the same taes can be done as on the sensor.
As both the thermo fan setup for the v6 and aux ac fan for the v8 use the same circuit from the ecm one could possibly assume that if you were to wire a v8 with thermo fans into the ac circuit that they would work. How to replace thermo fan for radiator not working engine over heatingvx commodre. Apparently the series 1 has the thermo fans wiring in the starter motor loom. To make your low speed fans work when you need to cool down your car engine quickly after drag or street racing you can do this modification with the one hour using following parts.