just changed the sensor on the radiator and still the fan doesnt come on
i have put a couple of wires to the dash so I can do it myself but prefer it done right

any ideas where it is, have seen a bunch of them unfer the bonnet but which is it?

What engine do you have as some are ECU controlled, not relay.

JoskeJTD said:

What engine do you have as some are ECU controlled, not relay.

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the ECU controlled ones have a relay

the thermo controlled ones do aswell i think but i cant remember now.....

i'm pretty sure its in the little box on the front of the battery tray

Ry

bulldog5046 said:

the ECU controlled ones have a relay

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Your sure? Because i think the 2.0 20V dont have a relay to change. Pretty sure its come up numerous times on the Bravo and Marea section.

If it has a relay why bother the ECU in the first place, the temp sensor will be more than enough for the ECU.

JoskeJTD said:

Your sure? Because i think the 2.0 20V dont have a relay to change. Pretty sure its come up numerous times on the Bravo and Marea section.

If it has a relay why bother the ECU in the first place, the temp sensor will be more than enough for the ECU.

Click to expand...

i'm unsure, i remember when i was looking over the wiring diagrams for the conversion that i was trying to hook something up to a relay in the little front tray but maybe it wasnt the rad....

i now have a relay up front by my rad thats controlled by the ECU for the rad fan.

i 'think' the old rad fan was controlled by just a thermo in radiator its self, i wanted to use the old rad to keep things simple but it was too much of a pain to plumb in.

Ry

thanks,, its a 2.4TD 125
ecu controlled!! might explain why it runs rough (injector light)

Mareas have either two fans or one 2 speed one to cope with the engine and air con cooling needs. Even when the ECU signals them, as on my 1.8 ELX it still needs a relay, the the fan takes amps, about 8 or 12 and also is a very noisy load and would destroy the ECU integrated circuit switches without a relay to buffer it. On my car they are in the tray in front of the battery, the 2 on the LHS at the front from memory. This location gets a lot of road spray and the relay sockets can go high impedance, or even rot right off. If you remove the relay you can see the circuit function printed on its case and bridge across the socket with a short bit of wire and see if the fan cuts in. In my case the low speed relay was fine but the dropper resistor had corroded nd fallen off.

cheers, will take a look